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-   -   why are our cars so bad on gas? (https://www.scoobynet.com/scoobynet-general-1/1030539-why-are-our-cars-so-bad-on-gas.html)

fat-thomas 18 October 2015 03:30 PM


Originally Posted by JGlanzaV (Post 11750430)
Might aswell just sell my car, not worth anything if a WRX can beat it....

500quid takes it....

it must be witch craft as the wagon is heavier than the saloon but faster with the same power

and only slightly lighter than the jdm sti but just as fast despite being nearly 140 bhp down??

it just doesnt add up to me:wonder:

according to parkers the wrx saloon is 1395kg,the wrx estate 1410kg and the sti 1470kg.

so do you need 140bhp to shift 60kg??

neil-h 18 October 2015 03:45 PM

Think we're all missing a trick here, the clear answer is to drop a k series lump into a UK WRX.

fat-thomas 18 October 2015 03:48 PM


Originally Posted by neil-h (Post 11750439)
Think we're all missing a trick here, the clear answer is to drop a k series lump into a UK WRX.

you might be onto something here, how much bhp does the k series have?
at a rough guess id say 150bhp so would this be enough to keep up with a 266 bhp wrx wagon as id say the engine would be considerably lighter due to losing the turbo,intercooler and associated parts.
so in theory if the 150 bhp k series lump was 70 kg lighter you could keep up with a 400 bhp jdm sti,i guess this makes sense as a rover 25 is lighter than a wagon and thats faster than a ferrari.

jayallen 18 October 2015 04:03 PM

Rover 25 vs Ferrari
 
Look what I found, the Rover 25 vs Ferrari thread.....Post 20 ;)

This is scoobynet gold..:lol1:

https://www.scoobynet.com/scoobynet-...o-x-fq300.html

"Rover 25 vs Ferrari"

fat-thomas 18 October 2015 04:08 PM


Originally Posted by jayallen (Post 11750447)
Look what I found, the Rover 25 vs Ferrari thread.....Post 20 ;)

This is scoobynet gold..:lol1:

https://www.scoobynet.com/scoobynet-...o-x-fq300.html

"Rover 25 vs Ferrari"

bloody hell thats ruined my calculations, the rover ferrari killer was nowhere near 150 bhp

jayallen 18 October 2015 04:16 PM

Nope, only 103bhp and he blew the HG whilst racing it.....You couldn't make this sh*t up! :lol1:

Well, he could.

fat-thomas 18 October 2015 04:19 PM


Originally Posted by jayallen (Post 11750452)
Nope, only 103bhp and he blew the HG whilst racing it.....You couldn't make this sh*t up! :lol1:

im asking genuine questions based on what i have read on here.
the figures just dont seem to add up and basing it on my experiences of both wrx and sti it doesnt make sense.

can anyone help?

jayallen 18 October 2015 04:25 PM

His Wagon must be fast I mean look at this comment from 2011 thread.


Originally Posted by ditchmyster (Post 10301866)
I was up the ass of an m3 up to 155mph then when he moved out the way i went past and i don't think either of us could believe it, that was with a remapped wrx running circa 270bhp.

Thread link... https://www.scoobynet.com/scoobynet-...uk-05-reg.html

fat-thomas 18 October 2015 04:27 PM


Originally Posted by jayallen (Post 11750460)
His Wagon must be fast I mean look at this comment from 2011 thread.

so now i am confused, the car was remapped in 2011, then has reverted back to being ppp:wonder:

jayallen 18 October 2015 04:32 PM


Originally Posted by fat-thomas (Post 11750461)
so now i am confused, the car was remapped in 2011, then has reverted back to being ppp:wonder:

Just more lies upon lies upon lies, as they say...On the internet you can be who ever you want to be.

He'll be back on this evening willing to bet his 2 houses which turned into 3 apartments that what he says is true.

Zuber 18 October 2015 04:38 PM

@ ditchmyster talks some bull****,,,this forum is full of numptys!!

scoobyboy1 18 October 2015 05:08 PM


Originally Posted by jayallen (Post 11750447)
Look what I found, the Rover 25 vs Ferrari thread.....Post 20 ;)

This is scoobynet gold..:lol1:

https://www.scoobynet.com/scoobynet-...o-x-fq300.html

"Rover 25 vs Ferrari"


see a flash in the rear view and it's the local estate agent in his black 460 ferrari,
Did they do a Ferrari 460??? Maybe its the prototype Ferrari had to drop due to it getting dusted by Ditchmyster Hamilton in the 103bhp Rover!!:wonder:

fat-thomas 18 October 2015 05:10 PM


Originally Posted by scoobyboy1 (Post 11750497)
Did they do a Ferrari 460??? Maybe its the prototype Ferrari had to drop due to it getting dusted by Ditchmyster Hamilton in the 103bhp Rover!!:wonder:

maybe he meant a 406......:lol1:

RS_Matt 18 October 2015 07:10 PM


Originally Posted by fat-thomas (Post 11750428)
all i can think was we had a faulty wrx as ours was nowhere near as fast as the sti hence it was sold.

Just because you beat your wife's babied 225bhp Bugeye WRX in your 430bhp Blobeye STI down the strip doesn't make STI's lighter, faster and more transmission/fuel/drag efficient.

The phrase WRX DENIAL has been born.

fat-thomas 18 October 2015 07:12 PM


Originally Posted by RS_Matt (Post 11750570)
Just because you beat your wife's babied 225bhp Bugeye WRX in your 430bhp Blobeye STI down the strip doesn't make STI's lighter, faster and more transmission/fuel/drag efficient.

The phrase WRX DENIAL has been born.

as usual matt completely wrong

1.not my wife
2.270 bhp wrx
3. 352 bhp sti

The phrase STI ENVY has been born.

fat-thomas 18 October 2015 07:35 PM


Originally Posted by RS_Matt (Post 11750595)
The irony of the inevitable WRX v STI comparisons (where the WRX usually sneaks the 0-60 but the STI the track times) is the STI invariably has over 15-20% extra power.

Now a 265bhp WRX PPP v 265 bhp STI test would be something to behold. Or maybe even turn the tide and pit a 305bhp WRX v a 265BHP STI.

Most Evo and Subaru owners tune to 350bhp on average and at those levels the WRX is king. I'd love to know the accurate drivetrain losses of the EVO's and Scoobs as I think the WRX will be drastically less. I'm the thinking the differences could be as high as 6-8%.

the wrx gearbox blows up at 350 bhp :thumb:

why would the drivetrain loss be less in a wrx?? please tell this should be good

TonyBurns 18 October 2015 07:37 PM


Originally Posted by RS_Matt (Post 11750595)
The irony of the inevitable WRX v STI comparisons (where the WRX usually sneaks the 0-60 but the STI the track times) is the STI invariably has over 15-20% extra power.

Now a 265bhp WRX PPP v 265 bhp STI test would be something to behold. Or maybe even turn the tide and pit a 305bhp WRX v a 265BHP STI.

Most Evo and Subaru owners tune to 350bhp on average and at those levels the WRX is king. I'd love to know the accurate drivetrain losses of the EVO's and Scoobs as I think the WRX will be drastically less. I'm the thinking the differences could be as high as 6-8%.

You may find the wrx has higher losses than the STI, due to the STI's having the DCCD, as for faster.... sorry, the wrx wont be, been there, seen it and the end is always the same, it comes down to the driver and how hard they want to push their car, more wrx's break than STI's and that tells you something.
Gear ratio's only benefit the wrx in 1st and 2nd, the then tighter ratio's of the 6 speed give the STI an advantage, still, the highest 0-60 times on standard (or PPP'd cars) are not held by WRX's but instead by STI's.

fat-thomas 18 October 2015 07:38 PM


Originally Posted by TonyBurns (Post 11750597)
You may find the wrx has higher losses than the STI, due to the STI's having the DCCD, as for faster.... sorry, the wrx wont be, been there, seen it and the end is always the same, it comes down to the driver and how hard they want to push their car, more wrx's break than STI's and that tells you something.
Gear ratio's only benefit the wrx in 1st and 2nd, the then tighter ratio's of the 6 speed give the STI an advantage, still, the highest 0-60 times on standard (or PPP'd cars) are not held by WRX's but instead by STI's.

:thumb:

RS_Matt 18 October 2015 07:42 PM


Originally Posted by fat-thomas (Post 11750596)
the wrx gearbox blows up at 350 bhp :thumb:

why would the drivetrain loss be less in a wrx?? please tell this should be good

350lbft. Though some SN members have pushed well over 400lbft on a 5 speed. With uprated piston rings the WRX could theoretically operate at power levels around 400bhp if not more. Rods would also be safe if torque was kept below the 350lbt danger zone. To do this a bigger turbo running lower boost would be needed, there's also other mods to lower torque such as enlarged intercooler and turbo intake pipe.

Rotational mass has a big effect on transmission losses. I'm not 100% on each item but I think the STI has an heavier flywheel, clutch, gearbox, hubs, disks and wheels.

fat-thomas 18 October 2015 07:45 PM


Originally Posted by RS_Matt (Post 11750602)
350lbft. Though some SN members have pushed well over 400lbft on a 5 speed. With uprated piston rings the WRX could theoretically operate at power levels around 400bhp if not more. Rods would also be safe if torque was kept below the 350lbt danger zone. To do this a bigger turbo running lower boost would be needed, there's also other mods to lower torque such as enlarged intercooler and turbo intake pipe.

Rotational mass has a big effect on transmission losses. I'm not 100% on each item but I think the STI has an heavier flywheel, clutch, gearbox, hubs, disks and wheels.

oh so nothing serious then just change the piston rings....how long does this minor job take?? then detune it so the weak internals can cope with the torque:lol1:

RS_Matt 18 October 2015 07:52 PM


Originally Posted by TonyBurns (Post 11750597)
You may find the wrx has higher losses than the STI, due to the STI's having the DCCD, as for faster.... sorry, the wrx wont be, been there, seen it and the end is always the same, it comes down to the driver and how hard they want to push their car, more wrx's break than STI's and that tells you something.
Gear ratio's only benefit the wrx in 1st and 2nd, the then tighter ratio's of the 6 speed give the STI an advantage, still, the highest 0-60 times on standard (or PPP'd cars) are not held by WRX's but instead by STI's.

Depends on power levels, I've seen the short ratios of the STI cause major headaches for Drag STI's, big Arf even told me once that he needed a 5 speed equivalent that was strong enough.

In theory both boxes are useless for the max power levels of 350hp and 450hp respectively. I've raced two SN members STI's that had well over 500Bhp and I beat their 0-60 foot on both accounts. They were just wheel spinning and loosing time with constant shifting, getting into 3rd at 40mph with over 500bhp!!!!!! Crazy. Great car for 60 mph+ all around the Nurburgring but get next to my 300lbtf WRX at the (non-stickied tarmac) traffic lights in the real world and you are 3 car lengths behind in no time every time. Especially if you don't launch hard with a large-laggy turbo, like a lot of arrogant STI owners next to a sleeper WRX!

Norman Dog 18 October 2015 07:54 PM


Originally Posted by jayallen (Post 11750447)
Look what I found, the Rover 25 vs Ferrari thread.....Post 20 ;)

This is scoobynet gold..:lol1:

https://www.scoobynet.com/scoobynet-...o-x-fq300.html

"Rover 25 vs Ferrari"

:lol: :lol1: :lol1: :D


my little Rover 25 1.4 (well it's the mrs actually) does just shy of a ton in 3rd gear
:top:
I'm still chuckling away to myself here. :D

bustaMOVEs 18 October 2015 07:54 PM

I'm getting a small diesel to have more mpg, but I'm scared I may make a thread that the mpg is too much to handle......

Another turbocharged car mpg thread :brickwall

fat-thomas 18 October 2015 07:56 PM


Originally Posted by RS_Matt (Post 11750613)
Depends on power levels, I've seen the short ratios of the STI cause major headaches for Drag STI's, big Arf even told me once that he needed a 5 speed equivalent that was strong enough.

In theory both boxes are useless for the max power levels of 350hp and 450hp respectively. I've raced two SN members STI's that had well over 500Bhp and I beat their 0-60 foot on both accounts. They were just wheel spinning and loosing time with constant shifting, getting into 3rd at 40mph with over 500bhp!!!!!! Crazy. Great car for 60 mph+ all around the Nurburgring but get next to my 300lbtf WRX at the (non-stickied tarmac) traffic lights in the real world and you are 3 car lengths behind in no time every time. Especially if you don't launch hard with a large-laggy turbo, like a lot of arrogant STI owners next to a sleeper WRX!

do you sniff glue???

the sti hits approx 56 mph in second so where you made up the 40 mph i dont know:thumb:

as for launching, who launches off boost??, if you are having turbo lag you are in the wrong gear:lol1:

you and ditchy must have had the only mega fast wrxs because the rest of us who had one thought they were sh1t so bought an sti.

RS_Matt 18 October 2015 07:58 PM


Originally Posted by fat-thomas (Post 11750606)
oh so nothing serious then just change the piston rings....how long does this minor job take?? then detune it so the weak internals can cope with the torque:lol1:

Something that tempts me. a 430bhp WRX would raise a few eyebrows at the strip and as I'm currently wheelspinning off the line with just 300lbft the lower torque would be much appreciated.

Obviously with higher transmission losses and higher curb weight an STI can handle a bit more torque, in fact torque is crucial to the STI.

That reminds me, I think the wider track of the STI also adds extra transmission losses over the WRX.

JGlanzaV 18 October 2015 07:59 PM


Originally Posted by RS_Matt (Post 11750613)
Depends on power levels, I've seen the short ratios of the STI cause major headaches for Drag STI's, big Arf even told me once that he needed a 5 speed equivalent that was strong enough.

In theory both boxes are useless for the max power levels of 350hp and 450hp respectively. I've raced two SN members STI's that had well over 500Bhp and I beat their 0-60 foot on both accounts. They were just wheel spinning and loosing time with constant shifting, getting into 3rd at 40mph with over 500bhp!!!!!! Crazy. Great car for 60 mph+ all around the Nurburgring but get next to my 300lbtf WRX at the (non-stickied tarmac) traffic lights in the real world and you are 3 car lengths behind in no time every time. Especially if you don't launch hard with a large-laggy turbo, like a lot of arrogant STI owners next to a sleeper WRX!

Matt, I like you, you make me laugh, but you need to leave this alone lol.

Not in a million years would you beat my 500hp scoob at any stage....

fat-thomas 18 October 2015 08:01 PM


Originally Posted by RS_Matt (Post 11750625)
Something that tempts me. a 430bhp WRX would raise a few eyebrows at the strip and as I'm currently wheelspinning off the line with just 300lbft the lower torque would be much appreciated.

Obviously with higher transmission losses and higher curb weight an STI can handle a bit more torque, in fact torque is crucial to the STI.

That reminds me, I think the wider track of the STI also adds extra transmission losses over the WRX.

a 430 bhp wrx would not be a wrx because all the wrx parts would have destroyed themselves about 80 bhp ago:thumb:

TonyBurns 18 October 2015 08:01 PM


Originally Posted by RS_Matt (Post 11750625)
Obviously with higher transmission losses and higher curb weight an STI can handle a bit more torque, in fact torque is crucial to the STI.

That reminds me, I think the wider track of the STI also adds extra transmission losses over the WRX.

Where do you get that the STI has higher transmission losses? It DOESN'T, the wrx suffers higher losses due to the type of diff it uses, its not much more (2-3%) but its more than an STI.

Tony:)

Neil XR 18 October 2015 08:02 PM

just to add some more fuel to the fire

my wee classic turbo does 67mph in 2nd gear :)

RS_Matt 18 October 2015 08:03 PM


Originally Posted by fat-thomas (Post 11750621)
do you sniff glue???

the sti hits approx 56 mph in second so where you made up the 40 mph i dont know:thumb:

as for launching, who launches off boost??, if you are having turbo lag you are in the wrong gear:lol1:

you and ditchy must have had the only mega fast wrxs because the rest of us who had one thought they were sh1t so bought an sti.

56 after the red line is moved to 10.500rpm.

Tom, in 20 years of driving I've never had someone next to me at the lights or in front of me at a junction launch at 4,000-6.000rpm. Do you live in California?

No wonder the STI needs stronger components if those with WRX denial are sat on the limiter at a red light for 5 minutes.


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