boost!

CVH and Zetec tuning, suspension and braking mods.
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boost!

Postby MRBLONDE on Wed Dec 11, 2002 10:42 pm

can any1 tell me how much boost i can turn my bleed valve up to?.i have got a frst.with pipercross,dump valve,full exhust.please.cheers :P
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Postby bassboy on Wed Dec 11, 2002 11:27 pm

nething u want :lol: wats been done to the bottom end, turbo, compression ratio and [ERRR] chip r u using?

if all above r standard then dont run more than 10psi maybe 12psi but u might get detonation...so its ur own risk!!

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Postby nthorpey on Thu Dec 12, 2002 9:44 am

Personaly wouldn't touch the bleed valve unless on a rolling road with a very good air/fuel ratio meter and also very good boost gauge. If not you will next be posting in the 'Parts Wanted' for a FRST engine :(
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Postby Project on Thu Dec 12, 2002 3:51 pm

Absolutely - if you don't increase fuelling to match boost, even without detting you will overheat the engine, especially components such as cylinder head, valves and valve seats, and could even crack a piston.

Don't fiddle with it - there's no such thing as free power.
<< I need to put something here, yer? >>
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cheers

Postby MRBLONDE on Thu Dec 12, 2002 7:31 pm

thanks lads,i thought this would b the answer.people tell me i need 2
chip it & uprate the actuater.is this ture?
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Postby Fezzy Turbo on Fri Dec 13, 2002 9:28 am

If you want to run more than 10psi you will need a chip to remove the overboost protection.
If you have a bleedvalve you do NOT need an uprated actuator.

Max boost on std fuelling is around 14psi and that is plenty for the std intercooler to take as well.

cheers
Greg : Owner of a FRST for 14yrs

2009 FRS2 : 377bhp ATW / 395lb/ft :)
1990 FRST : Sold.
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