would you be happy with 329.5 bhp and 305 lb/ft from a 93 wrx?
20 May 2006, 09:47 PM
#32
Originally Posted by trails
martin, he's running a fmic...so i'd imagine losing the scoop shouldn't make any difference. at least i hope not, i want to go all stealth when i fit mine...
ian
ian
it may look cool but vents and scoops are practical in more ways
21 May 2006, 10:18 AM
#33
I knew you had an ongoing project and the looks are fantastic so well done. I bet you are glad you are on the home straight!!! 
There are several things you can do immediately to improve spool and reduce under bonnet temperatures which in turn will aid performance.
1) Wrap the exhaust turbine housing. I have exhaust blankets here, probably big enough to do two turbos with lots left over. Quite cheap.
2) Wrap the headers. I have rolls of DEI wrap here and from wrapping many sets of headers I have found this to be the best product. I can see your downpipe is already wrapped.
3) Consider wrapping your header tank or at the least, isolating it from the inlet manifold with insulation, spacer washers.
4) 71 deg thermostat.
5) Water wetter. Not the expensive over priced hyped up product(s) but that which is commercially available in bulk for use on truck and marine engines.
Hot air only escapes from the scoop when stationary. On a standard car the bonnet vents are blanked off for good reason. The scoop takes air in through the O/E top mount and down the transmission tunnel. Air enters the engine bay through the radiator and under the bonnet where you have removed the rubber strips and flows over and round the engine where it is then pulled down the transmission tunnel.
This is why Classics fitted with the larger six speed box often experience increased running temperatures.
It is a while since I have been to Star but their rollers never gave exaggerated readings but I cannot remember how they related to Dastek which I now use regularly. Dastek gives VERY similar readings to the TEG Sport rollers (Dyno Dynamics) again which I use regularly.
Your turbo should be good for 350-360 bhp, the injectors can support more and the FMIC is proven well over 500 bhp so it is a matter of looking for the most restrictive item/area and working from there. Unfortunately that can only be done in the flesh.
Subject to looking at your set up and getting a starting figure from Dastek, I am happy to loan and fit a set of ported headers at no expense to yourself and you can determine any benefits or otherwise.
There are several things you can do immediately to improve spool and reduce under bonnet temperatures which in turn will aid performance.
1) Wrap the exhaust turbine housing. I have exhaust blankets here, probably big enough to do two turbos with lots left over. Quite cheap.
2) Wrap the headers. I have rolls of DEI wrap here and from wrapping many sets of headers I have found this to be the best product. I can see your downpipe is already wrapped.
3) Consider wrapping your header tank or at the least, isolating it from the inlet manifold with insulation, spacer washers.
4) 71 deg thermostat.
5) Water wetter. Not the expensive over priced hyped up product(s) but that which is commercially available in bulk for use on truck and marine engines.
Hot air only escapes from the scoop when stationary. On a standard car the bonnet vents are blanked off for good reason. The scoop takes air in through the O/E top mount and down the transmission tunnel. Air enters the engine bay through the radiator and under the bonnet where you have removed the rubber strips and flows over and round the engine where it is then pulled down the transmission tunnel.
This is why Classics fitted with the larger six speed box often experience increased running temperatures.
It is a while since I have been to Star but their rollers never gave exaggerated readings but I cannot remember how they related to Dastek which I now use regularly. Dastek gives VERY similar readings to the TEG Sport rollers (Dyno Dynamics) again which I use regularly.
Your turbo should be good for 350-360 bhp, the injectors can support more and the FMIC is proven well over 500 bhp so it is a matter of looking for the most restrictive item/area and working from there. Unfortunately that can only be done in the flesh.
Subject to looking at your set up and getting a starting figure from Dastek, I am happy to loan and fit a set of ported headers at no expense to yourself and you can determine any benefits or otherwise.
21 May 2006, 12:23 PM
#36
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I wont be happy with the results you get. I'm not happy with my car also =)
http://bbs.scoobynet.co.uk/showthread.php?t=514700
I was gonna remove the resonator and put Apexi Power Intake & Samco Inlet hose but I see that you have already done these and still not happy. I feel that the air coming into my engine is so restrictive and may be hot.
Q= Do you have a big MAF or stock MAF? What is the max voltage you see?
http://bbs.scoobynet.co.uk/showthread.php?t=514700
I was gonna remove the resonator and put Apexi Power Intake & Samco Inlet hose but I see that you have already done these and still not happy. I feel that the air coming into my engine is so restrictive and may be hot.
Q= Do you have a big MAF or stock MAF? What is the max voltage you see?
21 May 2006, 12:53 PM
#37
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I'm pleased to see you've got the car up and running Nicky. I wouldn't be diappointed with 340bhp. Like Harvey says, there's sufficient room for improvement with regards heat management to see yourself well over your 350bhp target.
My first stops personally would be to wrap the headers (the ones you have or Harveys) and to shield as well as duct the filter.
My old car made 277bhp with similar mods to your own bar the 18G, FMIC and headers. After fitting the wrapped headers and shielding the intercooler (amongst other small things) i reached my 300bhp target.
My first stops personally would be to wrap the headers (the ones you have or Harveys) and to shield as well as duct the filter.
My old car made 277bhp with similar mods to your own bar the 18G, FMIC and headers. After fitting the wrapped headers and shielding the intercooler (amongst other small things) i reached my 300bhp target.
21 May 2006, 03:13 PM
#38
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Originally Posted by VAL113R
Would you be happy with this figure? I know it's sad, but I really wanted 350bhp!
?
Whether anyone else would be happy is irrelevant though mate. Chasing numbers is pointless, unless you're just interested in pub talk. It's how it drives that matters and I bet it goes very well!!
Ns04
21 May 2006, 03:34 PM
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that is a great looking car, you've managed to mod it without it looking distasteful, good job
Love the fact that you have fitted the non scoop bonnet as well, brave move.
Love the fact that you have fitted the non scoop bonnet as well, brave move.
21 May 2006, 07:06 PM
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Originally Posted by harvey
Hot air only escapes from the scoop when stationary. On a standard car the bonnet vents are blanked off for good reason. The scoop takes air in through the O/E top mount and down the transmission tunnel. Air enters the engine bay through the radiator and under the bonnet where you have removed the rubber strips and flows over and round the engine where it is then pulled down the transmission tunnel.
This is why Classics fitted with the larger six speed box often experience increased running temperatures.
This is why Classics fitted with the larger six speed box often experience increased running temperatures.
ian
21 May 2006, 11:02 PM
#42
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Originally Posted by gotmashed
can i ask what size cool pipes are you using ive got near on the same spec/will have and using 50mm pipes to help with the lag
which pipes are you referring to?
Originally Posted by Carl Davey
I'm pleased to see you've got the car up and running Nicky. I wouldn't be diappointed with 340bhp. Like Harvey says, there's sufficient room for improvement with regards heat management to see yourself well over your 350bhp target.
My first stops personally would be to wrap the headers (the ones you have or Harveys) and to shield as well as duct the filter.
My old car made 277bhp with similar mods to your own bar the 18G, FMIC and headers. After fitting the wrapped headers and shielding the intercooler (amongst other small things) i reached my 300bhp target.
My first stops personally would be to wrap the headers (the ones you have or Harveys) and to shield as well as duct the filter.
My old car made 277bhp with similar mods to your own bar the 18G, FMIC and headers. After fitting the wrapped headers and shielding the intercooler (amongst other small things) i reached my 300bhp target.
Originally Posted by New_scooby_04
Yes very. Great going for a 13 year old car!
Ns04
Ns04
Originally Posted by Varboy
that is a great looking car, you've managed to mod it without it looking distasteful, good job
Love the fact that you have fitted the non scoop bonnet as well, brave move.
Love the fact that you have fitted the non scoop bonnet as well, brave move.
Originally Posted by trails
so running a standard scoopless bonnet won't affect performance?
ian
ian
Originally Posted by gotmashed
will the air not blow down the scoop and out the bottom of the car when moving
Originally Posted by SoNiCa
Q= Do you have a big MAF or stock MAF? What is the max voltage you see?
cheers
22 May 2006, 01:30 AM
#43
Nice looking car and decent spec.
Would have thought a 18g would give you bigger numbers @1.5bar.
16g@1.5bar gave a solid 340/340 on DD.
Take Harveys advice on the heat management.
Andy should be able to pinpoint the bottleneck.
Engine age/mileage may be a factor also.
Anything over 300/300 is very quick.
Would have thought a 18g would give you bigger numbers @1.5bar.
16g@1.5bar gave a solid 340/340 on DD.
Take Harveys advice on the heat management.
Andy should be able to pinpoint the bottleneck.
Engine age/mileage may be a factor also.
Anything over 300/300 is very quick.
22 May 2006, 10:28 AM
#44
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Originally Posted by VAL113R
I wouldn't have thought so. You see the power I'm putting out with a sport bonnet. (Have I started a trend now? Will everyone with a FMIC be getting a sport bonnet!)
22 May 2006, 11:38 AM
#45
so running a standard scoopless bonnet won't affect performance?
ian
ian
That is not what I am saying.
The scoopless bonnet will create less drag- an advantage.
The scoopless bonnet will result in higher under bonnet temperatures.- A clear disadvantage unless tackled comprehensively as advised above.
Without the scoop, flow over the engine and down the transmission tunnel will not be as good.
To get the best from the car you need to have each modification complimenting each other. It only takes a couple of miss matched or under performing components or assemblies to rob a lot of power. That is why I have said in my PM that it is necessary to see your car in the flesh to ID the restrictions. You have tackled the right areas. Are the parts used complimentary performance items.
I think there is another 20-30 bhp in there if you want the numbers but that would need a comprehensive review to confirm.
Headers are only one part of the equation but I do not see that you have anything to loose. In fact, follow my recommendations once I have seen the car and if you do not get another 20bhp you can have the headers for nothing.
23 May 2006, 07:45 AM
#46
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20 or 30 bhp would certainly take me over my 350 figure
Originally Posted by harvey
That is not what I am saying.
The scoopless bonnet will create less drag- an advantage.
The scoopless bonnet will result in higher under bonnet temperatures.- A clear disadvantage unless tackled comprehensively as advised above.
Without the scoop, flow over the engine and down the transmission tunnel will not be as good.
To get the best from the car you need to have each modification complimenting each other. It only takes a couple of miss matched or under performing components or assemblies to rob a lot of power. That is why I have said in my PM that it is necessary to see your car in the flesh to ID the restrictions. You have tackled the right areas. Are the parts used complimentary performance items.
I think there is another 20-30 bhp in there if you want the numbers but that would need a comprehensive review to confirm.
Headers are only one part of the equation but I do not see that you have anything to loose. In fact, follow my recommendations once I have seen the car and if you do not get another 20bhp you can have the headers for nothing.
The scoopless bonnet will create less drag- an advantage.
The scoopless bonnet will result in higher under bonnet temperatures.- A clear disadvantage unless tackled comprehensively as advised above.
Without the scoop, flow over the engine and down the transmission tunnel will not be as good.
To get the best from the car you need to have each modification complimenting each other. It only takes a couple of miss matched or under performing components or assemblies to rob a lot of power. That is why I have said in my PM that it is necessary to see your car in the flesh to ID the restrictions. You have tackled the right areas. Are the parts used complimentary performance items.
I think there is another 20-30 bhp in there if you want the numbers but that would need a comprehensive review to confirm.
Headers are only one part of the equation but I do not see that you have anything to loose. In fact, follow my recommendations once I have seen the car and if you do not get another 20bhp you can have the headers for nothing.
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