To all tuners 400bhp/400ltb out os the new spec
10 August 2006, 09:27 PM
#62
Originally Posted by webmaster
Juggers,
Steve,
Do you mean your Hybrid was not what you expected and you would of been better of fitting a large single scroll on?
Regards,
Shaun.
Steve,
Do you mean your Hybrid was not what you expected and you would of been better of fitting a large single scroll on?
Regards,
Shaun.
as mine is a built 2ltr engine so the hybrid twin scroll seems wasted on me 
10 August 2006, 09:30 PM
#63
Hi Steve,
That surprises me you say that..... but then if it aint for you it aint for you.
I have to say though, after driving a single scroll scoob and a modded single scroll scoob and then a standard twin scroll scoob, I couldnt believe how much more responsive that even the standard twin scroll scoob was.... let alone a modified scoob with my hybrid twin scroll is.
Regards,
Shaun.
That surprises me you say that..... but then if it aint for you it aint for you.
I have to say though, after driving a single scroll scoob and a modded single scroll scoob and then a standard twin scroll scoob, I couldnt believe how much more responsive that even the standard twin scroll scoob was.... let alone a modified scoob with my hybrid twin scroll is.
Regards,
Shaun.
10 August 2006, 09:42 PM
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Originally Posted by webmaster
Juggers,
Its a MY03
Please see HERE for the modification articles running on this car.
Steve,
Do you mean your Hybrid was not what you expected and you would of been better of fitting a large single scroll on?
Regards,
Shaun.
Its a MY03
Please see HERE for the modification articles running on this car.
Steve,
Do you mean your Hybrid was not what you expected and you would of been better of fitting a large single scroll on?
Regards,
Shaun.
Hi Shaun
when do u think the next report on engine mods will be published here?
Sure many would be interested to know if it is practical to carry out these mods to an 03/05 EU STi (ie is the JDM engine build itself any better, or is it just the Twin Scroll and headers that differentiate the powerplant.
Whilst I fancy a quicker rack, I would be more comfortable with a readily available UK STi Blob (now from £10.5 k..) - Are we saying that powerstation could produce c 380 / 380 with broader powerband and less lag than an STi PPP for around £2k + Sti Blob? - If so, then this + T25 clone suspension (as near as can be copied on diff chassis) would make a good 'daily driver'
10 August 2006, 09:46 PM
#66
Originally Posted by GRIFF007
Hi Shaun
when do u think the next report on engine mods will be published here?
Sure many would be interested to know if it is practical to carry out these mods to an 03/05 EU STi (ie is the JDM engine build itself any better, or is it just the Twin Scroll and headers that differentiate the powerplant.
Whilst I fancy a quicker rack, I would be more comfortable with a readily available UK STi Blob (now from £10.5 k..) - Are we saying that powerstation could produce c 380 / 380 with broader powerband and less lag than an STi PPP for around £2k + Sti Blob? - If so, then this + T25 clone suspension (as near as can be copied on diff chassis) would make a good 'daily driver'
when do u think the next report on engine mods will be published here?
Sure many would be interested to know if it is practical to carry out these mods to an 03/05 EU STi (ie is the JDM engine build itself any better, or is it just the Twin Scroll and headers that differentiate the powerplant.
Whilst I fancy a quicker rack, I would be more comfortable with a readily available UK STi Blob (now from £10.5 k..) - Are we saying that powerstation could produce c 380 / 380 with broader powerband and less lag than an STi PPP for around £2k + Sti Blob? - If so, then this + T25 clone suspension (as near as can be copied on diff chassis) would make a good 'daily driver'
10 August 2006, 10:34 PM
#67
"Garret cores are something for another day"
Hol ... one mans meat ... think about then now !!
Shauns car is good but yours is already as good, in many ways, without the replacement turbo, with some work on the appendages there is no need for a decent sized turbo (relative) to have any worse spool than you have at this moment.
And boost isn't everything, you need flow to go with it, you could have peak boost and almost zero flow, excellant spool but nothing to go with it, take a hose pipe (hosepipe ban or not) and then block the end with your thumb, you have pressure in the pipe (boost) but no flow, so no work is done, same with a turbo, its not the same but with my turbo my engine makes more power at 1 bar than either Hol or Shaun do at full chat.
Keep the blinkers off.
bob
Hol ... one mans meat ... think about then now !!
Shauns car is good but yours is already as good, in many ways, without the replacement turbo, with some work on the appendages there is no need for a decent sized turbo (relative) to have any worse spool than you have at this moment.
And boost isn't everything, you need flow to go with it, you could have peak boost and almost zero flow, excellant spool but nothing to go with it, take a hose pipe (hosepipe ban or not) and then block the end with your thumb, you have pressure in the pipe (boost) but no flow, so no work is done, same with a turbo, its not the same but with my turbo my engine makes more power at 1 bar than either Hol or Shaun do at full chat.
Keep the blinkers off.
bob
10 August 2006, 10:58 PM
#68
Originally Posted by Bob Rawle
"Garret cores are something for another day"
Hol ... one mans meat ... think about then now !!
Shauns car is good but yours is already as good, in many ways, without the replacement turbo, with some work on the appendages there is no need for a decent sized turbo (relative) to have any worse spool than you have at this moment.
And boost isn't everything, you need flow to go with it, you could have peak boost and almost zero flow, excellant spool but nothing to go with it, take a hose pipe (hosepipe ban or not) and then block the end with your thumb, you have pressure in the pipe (boost) but no flow, so no work is done, same with a turbo, its not the same but with my turbo my engine makes more power at 1 bar than either Hol or Shaun do at full chat.
Keep the blinkers off.
bob
Hol ... one mans meat ... think about then now !!
Shauns car is good but yours is already as good, in many ways, without the replacement turbo, with some work on the appendages there is no need for a decent sized turbo (relative) to have any worse spool than you have at this moment.
And boost isn't everything, you need flow to go with it, you could have peak boost and almost zero flow, excellant spool but nothing to go with it, take a hose pipe (hosepipe ban or not) and then block the end with your thumb, you have pressure in the pipe (boost) but no flow, so no work is done, same with a turbo, its not the same but with my turbo my engine makes more power at 1 bar than either Hol or Shaun do at full chat.
Keep the blinkers off.
bob
hols car is good already !! i think i picked the wrong induction and inlet !! but im not bothered as i will move on, but if the car is good !! if its not broken why fix
10 August 2006, 11:38 PM
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and also your headers steve as i mentionned to you when i drove your car the other day.....they must be restricting it a fair bit as your 1.9 bar didnt feel as strong as my 1.35 on my single scroll hybrid......
As bob describes, max boost but no flow....thats kind of where i was coming from. Its making 1.9bar but it isnt doing enough with it...
As bob describes, max boost but no flow....thats kind of where i was coming from. Its making 1.9bar but it isnt doing enough with it...
11 August 2006, 12:17 AM
#70
Originally Posted by Neilo
and also your headers steve as i mentionned to you when i drove your car the other day.....they must be restricting it a fair bit as your 1.9 bar didnt feel as strong as my 1.35 on my single scroll hybrid......
As bob describes, max boost but no flow....thats kind of where i was coming from. Its making 1.9bar but it isnt doing enough with it...
As bob describes, max boost but no flow....thats kind of where i was coming from. Its making 1.9bar but it isnt doing enough with it...
and when you move from a 2.5ltr back down to a 2ltr you will have a good point point car is in the garage now, ill see if i canget my standard headers ported ????
11 August 2006, 08:33 AM
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why bother when your going rotated soon? its not worth the extra expense as it would have to be mapped again to suit it anyway......
11 August 2006, 10:20 AM
#72
Griff007,
Realistically, this is not going to be up until October. As already said above, there is a bit more involved than just changing turbo and Stage 1 mods.
My Spec C engine is also slightly different than a normal JDM STi engine (as standard).
Stevebt
Already tested porting of standard twin scroll headers..... imo through testing no benefit. Suffice to say, a standard set were put back on car again after tests.
Can I ask why you are going rotated mount for a GT30...... or is this for future turbo changes? If the latter....... just whack the biggest one you can get on!
Regards,
Shaun.
Realistically, this is not going to be up until October. As already said above, there is a bit more involved than just changing turbo and Stage 1 mods.
My Spec C engine is also slightly different than a normal JDM STi engine (as standard).
Stevebt
Already tested porting of standard twin scroll headers..... imo through testing no benefit. Suffice to say, a standard set were put back on car again after tests.
Can I ask why you are going rotated mount for a GT30...... or is this for future turbo changes? If the latter....... just whack the biggest one you can get on!
Regards,
Shaun.
11 August 2006, 10:37 AM
#73
Originally Posted by webmaster
Griff007,
Stevebt
Already tested porting of standard twin scroll headers..... imo through testing no benefit. Suffice to say, a standard set were put back on car again after tests.
Can I ask why you are going rotated mount for a GT30...... or is this for future turbo changes? If the latter....... just whack the biggest one you can get on!
Regards,
Shaun.
Stevebt
Already tested porting of standard twin scroll headers..... imo through testing no benefit. Suffice to say, a standard set were put back on car again after tests.
Can I ask why you are going rotated mount for a GT30...... or is this for future turbo changes? If the latter....... just whack the biggest one you can get on!
Regards,
Shaun.
11 August 2006, 11:46 PM
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Originally Posted by GRIFF007
Sure many would be interested to know if it is practical to carry out these mods to an 03/05 EU STi (ie is the JDM engine build itself any better, or is it just the Twin Scroll and headers that differentiate the powerplant.
Pistons are the hypereuetic type, ecu is excellent at detecting det which is a weak spot for the pistons but their strength over the "forged" ones is improved.
Chief, Dales spec C is still running its VF34 (its an MY02) but its ported
Shaun, seen you posing in jap performance? this month
or was it banzai???Also have a look at Richard Bulmers JDM Bugeye Spec C
think hes at about 450/400 atm.Tony
12 August 2006, 09:33 AM
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Tony, I think you meant the differences between the UK spec and JDM engines. The internals of the Spec C and JDM STI are the same although the head part numbers can be different.
Iain
Iain
12 August 2006, 09:37 AM
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Originally Posted by GazTheHat
lOOk into the eyes, not around the eyes, 3-2-1, you're under.
"Gaz, You have a lovely STi, it is one of your dream cars. You do not want nor need a Spec C, even with the fantastic spooling etc etc."
3-2-1 you're back in the room.
That is the treatment i need!
12 August 2006, 12:29 PM
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Originally Posted by LitchfieldImports
Tony, I think you meant the differences between the UK spec and JDM engines. The internals of the Spec C and JDM STI are the same although the head part numbers can be different.
Iain
Iain
but I was a bit knackered from the long journey id one yesterday 
and it looked good at the time Tony
12 August 2006, 01:21 PM
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Originally Posted by TonyBurns
Yes I should have phrased it better but I was a bit knackered from the long journey id one yesterday and it looked good at the time
Tony
but I was a bit knackered from the long journey id one yesterday and it looked good at the time Tony
I quite like the 'sophistication' of the UK STi PPP 03 i had and dont want anything more raw - just a lot more kick, lag free over a broader power band for sensible money + AST set up
Is there an affordable 03/04 JDM version with all the comforts of sound deadening and aircon but with T25 chassis base (ready for exact T25 susp upgrade) twinscroll, lightened windows, panels etc + quick rack and close to UK gearing?!
If so, I would love to try a Litch / PowerStation version with affordable c 390/390 along Webmaster's powertrain design theme
Basically I have tried WRC c 360/360 JDm TwinScroll, i liked it but would like more performance if i am to be tempted away from UK car..
12 August 2006, 01:46 PM
#82
Griff,
IMHO a JDM is a better base car for tuning, but no doubt some will say a UK car is as good. Out of the box I doubt you can beat a Jap STI, they are cheaper and easier to mod to a specific level than a UK version.
A JDM Sti is no more tiring to be in then a UK one (it's the Spec C that is rawer).
390/390 is quite a high figure for a standard engine with twin scroll. I believe it is possible (If I was prepared to run Octane Boosters I wouldnt be far off the bhp at least). But the higher the figures you try to attain on a 2ltr with a twin scroll, the more lowdown grunt and quick spool characteristics you will lose from the benefit of an original twin scroll setup..... move to a bigger capacity engine and the goal posts and results differ (i.e. better for response).
To be honest, if you try a well setup twin scroll JDM car and then a UK car back to back you will instantly feel the difference and the benefit of a twin scroll setup (to a specific level). I had a UK MY03 STI PPP (with the latest PPP map on at the time), then test drove a standard JDM STi Twin Scroll and the difference was chalk and cheese (hence the reason why after owning the UK car for four weeks I decided to throw the towel in and get the Spec C).
In the Stage 1 and Stage 2 mods I have done on the Spec C, I have always looked at keeping the quicker spool up or better it. I could easily of whacked a huge twin scroll on (I have access to a number), but based on testing done, it was paramount that I didnt lose this response for the sake of a few bhp.
Please remember bhp figures are just figures..... it's how quick they go on the road that counts. In reality I have fairly low power (compared to others), but my car is very quick on the road. Don't get blinkered by chasing your tale, as you may be disappointed with what you end up with.
Regards,
Shaun.
IMHO a JDM is a better base car for tuning, but no doubt some will say a UK car is as good. Out of the box I doubt you can beat a Jap STI, they are cheaper and easier to mod to a specific level than a UK version.
A JDM Sti is no more tiring to be in then a UK one (it's the Spec C that is rawer).
390/390 is quite a high figure for a standard engine with twin scroll. I believe it is possible (If I was prepared to run Octane Boosters I wouldnt be far off the bhp at least). But the higher the figures you try to attain on a 2ltr with a twin scroll, the more lowdown grunt and quick spool characteristics you will lose from the benefit of an original twin scroll setup..... move to a bigger capacity engine and the goal posts and results differ (i.e. better for response).
To be honest, if you try a well setup twin scroll JDM car and then a UK car back to back you will instantly feel the difference and the benefit of a twin scroll setup (to a specific level). I had a UK MY03 STI PPP (with the latest PPP map on at the time), then test drove a standard JDM STi Twin Scroll and the difference was chalk and cheese (hence the reason why after owning the UK car for four weeks I decided to throw the towel in and get the Spec C).
In the Stage 1 and Stage 2 mods I have done on the Spec C, I have always looked at keeping the quicker spool up or better it. I could easily of whacked a huge twin scroll on (I have access to a number), but based on testing done, it was paramount that I didnt lose this response for the sake of a few bhp.
Please remember bhp figures are just figures..... it's how quick they go on the road that counts. In reality I have fairly low power (compared to others), but my car is very quick on the road. Don't get blinkered by chasing your tale, as you may be disappointed with what you end up with.
Regards,
Shaun.
12 August 2006, 01:46 PM
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Griff, The JDM STI is every bit as comfy as the UK version with the same sound deadening etc. The new JDM A-Line has even more much like the UK Spec D It is pretty straight forward to sell a MY03/4 JDM STI with T25 chassis mods (we have the base car on our stocklist) but getting 390/390 (on a realistic dyno ) is not possible without more extensive and expensive mods.
Iain
It is pretty straight forward to sell a MY03/4 JDM STI with T25 chassis mods (we have the base car on our stocklist) but getting 390/390 (on a realistic dyno ) is not possible without more extensive and expensive mods. Iain
12 August 2006, 01:54 PM
#84
lol
I have already attained 395lbft previous to the turbo and other mods, on one rolling road (not PS). So... what would it be now. 
Although I would love to have that, I'd rather stick with the lower realistic figures...... makes it all the better for me.
Regards,
Shaun.
I have already attained 395lbft previous to the turbo and other mods, on one rolling road (not PS).
So... what would it be now. Although I would love to have that, I'd rather stick with the lower realistic figures...... makes it all the better for me.
Regards,
Shaun.
12 August 2006, 02:18 PM
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Originally Posted by webmaster
Griff,
IMHO a JDM is a better base car for tuning, but no doubt some will say a UK car is as good. Out of the box I doubt you can beat a Jap STI, they are cheaper and easier to mod to a specific level than a UK version.
A JDM Sti is no more tiring to be in then a UK one (it's the Spec C that is rawer).
390/390 is quite a high figure for a standard engine with twin scroll. I believe it is possible (If I was prepared to run Octane Boosters I wouldnt be far off the bhp at least). But the higher the figures you try to attain on a 2ltr with a twin scroll, the more lowdown grunt and quick spool characteristics you will lose from the benefit of an original twin scroll setup..... move to a bigger capacity engine and the goal posts and results differ (i.e. better for response).
To be honest, if you try a well setup twin scroll JDM car and then a UK car back to back you will instantly feel the difference and the benefit of a twin scroll setup (to a specific level). I had a UK MY03 STI PPP (with the latest PPP map on at the time), then test drove a standard JDM STi Twin Scroll and the difference was chalk and cheese (hence the reason why after owning the UK car for four weeks I decided to throw the towel in and get the Spec C).
In the Stage 1 and Stage 2 mods I have done on the Spec C, I have always looked at keeping the quicker spool up or better it. I could easily of whacked a huge twin scroll on (I have access to a number), but based on testing done, it was paramount that I didnt lose this response for the sake of a few bhp.
Please remember bhp figures are just figures..... it's how quick they go on the road that counts. In reality I have fairly low power (compared to others), but my car is very quick on the road. Don't get blinkered by chasing your tale, as you may be disappointed with what you end up with.
Regards,
Shaun.
IMHO a JDM is a better base car for tuning, but no doubt some will say a UK car is as good. Out of the box I doubt you can beat a Jap STI, they are cheaper and easier to mod to a specific level than a UK version.
A JDM Sti is no more tiring to be in then a UK one (it's the Spec C that is rawer).
390/390 is quite a high figure for a standard engine with twin scroll. I believe it is possible (If I was prepared to run Octane Boosters I wouldnt be far off the bhp at least). But the higher the figures you try to attain on a 2ltr with a twin scroll, the more lowdown grunt and quick spool characteristics you will lose from the benefit of an original twin scroll setup..... move to a bigger capacity engine and the goal posts and results differ (i.e. better for response).
To be honest, if you try a well setup twin scroll JDM car and then a UK car back to back you will instantly feel the difference and the benefit of a twin scroll setup (to a specific level). I had a UK MY03 STI PPP (with the latest PPP map on at the time), then test drove a standard JDM STi Twin Scroll and the difference was chalk and cheese (hence the reason why after owning the UK car for four weeks I decided to throw the towel in and get the Spec C).
In the Stage 1 and Stage 2 mods I have done on the Spec C, I have always looked at keeping the quicker spool up or better it. I could easily of whacked a huge twin scroll on (I have access to a number), but based on testing done, it was paramount that I didnt lose this response for the sake of a few bhp.
Please remember bhp figures are just figures..... it's how quick they go on the road that counts. In reality I have fairly low power (compared to others), but my car is very quick on the road. Don't get blinkered by chasing your tale, as you may be disappointed with what you end up with.
Regards,
Shaun.
I truly dont care if it is c. 370bhp 380 lb ft providing the drivability is vastly enhanced over my PPP 03 and the performance is sensational!
Still not sure what I would lose going JDM STi rather than C route - wasnt the some cross over models in 03/04 Blob - aircon and reasonable sound deadening (tyre and grit noise) are essential - would like quicker rack than UK STi, though advised against it by Mike @ Prodrive - do either / both have same quicker rack? - Is it better for road use?
What about gearing on these JDM variants - UK is crazy enough with its close ratios, wouldnt want closer in bottom 4 for sure
Yes Ian, I would love a T25 / T20, however finances are now severely limited so am forced to follow the modders route of best bang for buck and welcome advice from all you guys. - I appreciate your inputs Ian when you have commercial interests to consider, itr shows you are a true enthusiast first
Last edited by GRIFF007; 12 August 2006 at 02:21 PM.
12 August 2006, 03:03 PM
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Griff,
Pretty much all the JDM twin scroll cars that had the drivers pack have the quick rack steering, only a few didnt (but you dont want one of those)
As for the gearing..... little story for you (1-4 are the same as the uk, 5-6 are shorter).
When I had my MY00 PPP'd turbo i came across an M3 SMG, ok ill have a go i thought, so i did, and when considering which gear to go for because he just left me for dust and there wasnt any 1 gear that was useful enough to keep up with him, oh well, wasted.
Now i dont have that problem because the gears are better ratio'd so your never really in the wrong gear, it may seem like more hard work but in fact a 5 speed box is probably harder work than the 6 because your changing either down and straight back up or in a gear thats too high so it becomes more fustrating.
The JDM 6 speed box is a delight to use, even in 6th and on country roads the extra torque these cars have also benefits you because your not being frantic with the gears for corners as you can use a higher gear and pull though the corner where as you would need a gear change on a 5 speed box
Tony
Pretty much all the JDM twin scroll cars that had the drivers pack have the quick rack steering, only a few didnt (but you dont want one of those
)As for the gearing..... little story for you (1-4 are the same as the uk, 5-6 are shorter).
When I had my MY00 PPP'd turbo i came across an M3 SMG, ok ill have a go i thought, so i did, and when considering which gear to go for because he just left me for dust and there wasnt any 1 gear that was useful enough to keep up with him, oh well, wasted.
Now i dont have that problem because the gears are better ratio'd so your never really in the wrong gear, it may seem like more hard work but in fact a 5 speed box is probably harder work than the 6 because your changing either down and straight back up or in a gear thats too high so it becomes more fustrating.
The JDM 6 speed box is a delight to use, even in 6th
and on country roads the extra torque these cars have also benefits you because your not being frantic with the gears for corners as you can use a higher gear and pull though the corner where as you would need a gear change on a 5 speed boxTony
12 August 2006, 03:17 PM
#87
Griff,
The Spec C is a more focused car without a doubt, but not to the point of being obtrusive.
In full trim and standard suspension, I didnt feel hardly any difference between that and my previous MY03 STI PPP with Prodrive Pack (springs and wheels) compliance wise. Also you can of course change the suspension for other adjustable types to make it as compliant or uncompliant as you wish.
A Spec C Ltd can be bought, which came with a number of extra goodies (over and above my version) including air-con, electric windows etc etc.
If you want to go that bit further you can also get a boot insert to line it with.
Obviously my car has taken a certain full-on approach regards it's interior, even though I still have everything available to return it back to totally stock trim. I must admit, in it's current stripped out guise long journeys can lead to tinatus. But as a stock car it was absolutely fine.
To end, it has been without doubt THE best car I have owned and has given me THE most enjoyment and will continue to do so.
Obviously the state of conversion at the moment in it's entirety is not cheap (I mean the whole thing - engine, handling, exterior, interior - which has been in total about £8k+), but boy it is worth it (should you have the funds). But these cars are already fantastic out of the box, so you can never go far wrong as long as you know what you are after and you choose purposeful modifications that actually work.
For obvious reasons I don't want to discuss too much about the pending article, but from standard JDM STi Twin Scroll to stage 2 (including turbo) for the engine would cost in the region of £2k + fitting + vat. This includes mapping and assumes you need an Ecutek licence and turbo is on exchange.
Regards,
Shaun.
The Spec C is a more focused car without a doubt, but not to the point of being obtrusive.
In full trim and standard suspension, I didnt feel hardly any difference between that and my previous MY03 STI PPP with Prodrive Pack (springs and wheels) compliance wise. Also you can of course change the suspension for other adjustable types to make it as compliant or uncompliant as you wish.
A Spec C Ltd can be bought, which came with a number of extra goodies (over and above my version) including air-con, electric windows etc etc.
If you want to go that bit further you can also get a boot insert to line it with.
Obviously my car has taken a certain full-on approach regards it's interior, even though I still have everything available to return it back to totally stock trim. I must admit, in it's current stripped out guise long journeys can lead to tinatus.
But as a stock car it was absolutely fine.To end, it has been without doubt THE best car I have owned and has given me THE most enjoyment and will continue to do so.
Obviously the state of conversion at the moment in it's entirety is not cheap (I mean the whole thing - engine, handling, exterior, interior - which has been in total about £8k+), but boy it is worth it (should you have the funds). But these cars are already fantastic out of the box, so you can never go far wrong as long as you know what you are after and you choose purposeful modifications that actually work.
For obvious reasons I don't want to discuss too much about the pending article, but from standard JDM STi Twin Scroll to stage 2 (including turbo) for the engine would cost in the region of £2k + fitting + vat. This includes mapping and assumes you need an Ecutek licence and turbo is on exchange.
Regards,
Shaun.
Last edited by ex-webby; 12 August 2006 at 03:22 PM.
12 August 2006, 06:00 PM
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C Ltd
Shaun
I look forward with interest to your article, - feel free to pm me re any info you wish to privately release at this stage re power mods
What price range is a fair C Ltd Blob
Would u say that the exhaust mods you have finished up with are suited to everyday use without (a) being tiring inside (b) sounding a bit boy racerish outside?! - any practical alternative with little effect on performance?
Does it sound nice - any warble?
If i recall correctly you managed c 370 without changing turbo - is there a big difference with turbo change?
have u tried water / methanol injection to calm thing down when things get a bit hot? - i imagine it could add an appreciable enhancement to such a set up
I look forward with interest to your article, - feel free to pm me re any info you wish to privately release at this stage re power mods
What price range is a fair C Ltd Blob
Would u say that the exhaust mods you have finished up with are suited to everyday use without (a) being tiring inside (b) sounding a bit boy racerish outside?! - any practical alternative with little effect on performance?
Does it sound nice - any warble?
If i recall correctly you managed c 370 without changing turbo - is there a big difference with turbo change?
have u tried water / methanol injection to calm thing down when things get a bit hot? - i imagine it could add an appreciable enhancement to such a set up
12 August 2006, 06:59 PM
#89
Griff,
I'm not sure on pricing. You would be better off speaking to a specialist.
The exhaust is absolutely spot on for me. Again this has been modified since Stage 1 as the original system was too loud for track use. I now have a resonator centre section fitted (before it was a straight through centre section) and I have no worries now about any noise issues for track.
With full interior trim on the Spec C, the noise level would be fine..... but this is all down to personal taste imho. At least you have a choice.... with or without resonator.
IMHO it is the best sounding twin scroll setup I have heard.
Again I dont want to go in to lots of detail, but the aim of the turbo testing was to increase mid-range power, sharpen up spool-up even more and add a bit at the top end if possible. Suffice to say, this hybrid achieved that.
As regards to water / methanol injection.....
No point at this power level. Even with the standard TMIC on, it still performs fine and has only seen any real effect during the heat wave when on track (regarding any power loss, but still remaining perfectly reliable).
Don't believe all you read about needing FMIC and extra cooling at this level.
The final stage of the engine modifications (yep.. more has been planned) will be pushing the standard TMIC quite a bit further (but more on this in future months), which based on data already taken should not be a problem. Like with Stage 1 and Stage 2.... all this will done by planning to keep with the "standard look" of the engine bay. But I have always been known to change my mind! I will also as I have before, plan not to rely on Octane Boosters...... keeping it as normal for every day as possible.
Regards,
Shaun.
I'm not sure on pricing. You would be better off speaking to a specialist.
The exhaust is absolutely spot on for me. Again this has been modified since Stage 1 as the original system was too loud for track use. I now have a resonator centre section fitted (before it was a straight through centre section) and I have no worries now about any noise issues for track.
With full interior trim on the Spec C, the noise level would be fine..... but this is all down to personal taste imho. At least you have a choice.... with or without resonator.
IMHO it is the best sounding twin scroll setup I have heard.
Again I dont want to go in to lots of detail, but the aim of the turbo testing was to increase mid-range power, sharpen up spool-up even more and add a bit at the top end if possible. Suffice to say, this hybrid achieved that.
As regards to water / methanol injection.....
No point at this power level. Even with the standard TMIC on, it still performs fine and has only seen any real effect during the heat wave when on track (regarding any power loss, but still remaining perfectly reliable).
Don't believe all you read about needing FMIC and extra cooling at this level.
The final stage of the engine modifications (yep.. more has been planned) will be pushing the standard TMIC quite a bit further
(but more on this in future months), which based on data already taken should not be a problem. Like with Stage 1 and Stage 2.... all this will done by planning to keep with the "standard look" of the engine bay. But I have always been known to change my mind! I will also as I have before, plan not to rely on Octane Boosters...... keeping it as normal for every day as possible.Regards,
Shaun.
Last edited by ex-webby; 12 August 2006 at 07:02 PM.