Suggestions Please..-rapid spooling turbo-350Bhp/350Lb/Ft??
Hi
Still looking into power upgrades for my scoob:wonder: , i've gone off the 400HP idea, which i asked about a few months back...instead, im looking for around 340-350ish mark, with similar high torque if possible. I was thinking of a turbo from a spec c or late STi, because i would really like a rapid spooling turbo rather than a laggy one, apart from the injectors, fuel pump blah blah, could i use my standard STi Top mount??, as fitting a Sti8 after reading through 911's thread seemed a bit of a task!!:brickwall Car is a 97Sti thanks for any help!:) |
the later twin scroll turbo wont fit on classic headers, up pipe r different afaik
you could go for a vf28 off sti5 or P1 just about manage your power figure |
wrx
have got 303 bhp and 322ft/lbs torque,with headers turbo back magnex system and ecu chip on my 95 wrx import well happy
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Ask David from API engines he sells twin scroll kits that include all necessary parts (manifold, oil pan/stick, downpipe, turbo etc).
JIM |
Thanks Jim, You're correct we do sell that, but in this guys case I am not sure that he will get where he wants to be, and certainly not cheaply. The VF28 from a P1 / STi 5 or 6 won't make any difference, that he notices, on what he has now.
Porting and polishing his headers and lighter flywheel [ 7 kgs ] will almost certainly be the best [ cheap], simple option and in my experience seems to do exactly what he is looking for. David APi Engines / APi Impreza www.apiengines.com |
Cheers everybody for the replies,i have a set of headers waiting to go on here, so i will see how they work.
I still like the idea of a new turbo, but its probably not worth the hassle; as said,if my current one can be pushed near that figure...the Api set-up does sound tempting though |
vf34
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Originally Posted by Stiver3
Hi
Still looking into power upgrades for my scoob:wonder: , i've gone off the 400HP idea, which i asked about a few months back...instead, im looking for around 340-350ish mark, with similar high torque if possible. I was thinking of a turbo from a spec c or late STi, because i would really like a rapid spooling turbo rather than a laggy one, apart from the injectors, fuel pump blah blah, could i use my standard STi Top mount??, as fitting a Sti8 after reading through 911's thread seemed a bit of a task!!:brickwall Car is a 97Sti thanks for any help!:) Both of these turbos should be a direct bolt on too.... A twin scroll conversion will give you the numbers you are looking for with high torque, but lots of $$$$$ Check out http://dyno.scoobynet.co.uk/uk/andrew_tang2.htm, this is a PE1818 setup making 354BHP/298lbft. Torque curve is a little laggy for a PE1818, that turbo probably doesn't like the FMIC on the car. |
thast pretty low torque for a PE1818 isnt it? or is that normal? i would have expected more 330lbft?
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VF23 has a P20 turbine housing.
Aftermarket headers or bigger turbos will kill your spool up. From experience I would avoid VF hybrid turbos as despite posher bearings they don't give the overall response and power band of a TD05 based hybrid IMHO. A good remap with your stock turbo, ported headers and an intercooler upgrade would probably be best bang for buck. |
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