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| Forced Induction Discuss topics relating to turbochargers, superchargers, and nitrous oxide systems. |
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#1
12-25-2005, 12:10 PM
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is this turbo too big for my application?
OK i am getting ready to finish up my 3.4L DOHC in my 1987 fiero. this is the specs of the turbo i will be using. does it seem to be a good size? i have been told it may be a little big.
the engine is a 93 with 94-95 cam carriers running on a 94-95 ECM and harness. has P&P heads, intakes, TB and ported exhaust manifolds. also has a 255LPH fuel pump, and 36# injectors. i will be running a constant 8psi daily and prolly turn it up to 12 or so at the track. SPECS: .66 A/R cold 1.05 A/R hot Turbine Wheel: Exducer: 3.05" Major : 3.46" Compressor Wheel: Exducer: 2.56" Mayor : 3.90" 
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#2
12-26-2005, 08:46 AM
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jeezus tap dancing christ...thats huge!
As a suggestion.....i have one word for you-LAG. dependent upon the backpressure of these manifolds of yours, i could see your lag being huge-i'm talking 5 to 7 and a half seconds. move on down to a much, MUCH smaller turbo-or you wont end up using it until 4 and a half to 5 thousand RPM. sorry to burst your bubble. Mike
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#3
12-26-2005, 12:58 PM
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Re: is this turbo too big for my application?
Sounds like a drag turbo, but I don't anything about the specifacations of turbochargers.
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#4
12-26-2005, 01:05 PM
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Re: is this turbo too big for my application?
on the garrett turbocharger page somewhere i think there's a pdf that shows the roper size of turbo for various engine sizes at various boost levels. i think the site is http://www.egarrett.com just look around the page and you might find it, i haven't been in a while so i don't remember exactly where it is.
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