boost levels?

CVH and Zetec tuning, suspension and braking mods.
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boost levels?

Postby penfoldian on Fri Nov 21, 2003 12:15 pm

ok, is this safe?

in first gear my boost gauge reads 0.7
2nd = 0.8
3rd = 0.8
4th = 0.9
5th = 1.0 to 1.25 ish

i thought it stays at 0.7 for all gears?
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Postby Fezzy Turbo on Fri Nov 21, 2003 8:35 pm

It's only safe if your fuelling can cope with that boost.

How old is your actuator ??
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2009 FRS2 : 377bhp ATW / 395lb/ft :)
1990 FRST : Sold.
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Postby Stoned on Fri Nov 21, 2003 8:39 pm

Hmm, I thought max boost would have been achievable in every gear?

Why would going to 5th give more boost when the revs are likely to be lowest :-?
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Postby nosworth on Sun Nov 23, 2003 9:50 pm

well..the engine is having to work a bit harder the higher up the box u go..more work=more exhaust pressure?
Fear is standard brakes
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Postby penfoldian on Mon Nov 24, 2003 3:51 pm

Fezzy Turbo :It's only safe if your fuelling can cope with that boost.

How old is your actuator ??


Well it must be old cause it was never working! i started getting proper boost when i put the bleedvalve in.
so thats what is causing it, plus since the boost has been up, it has been tearing the car apart, the alternator needed tighting and my black carb thing that plugs into the EFI popped out and also, the pipe that goes into the dump valve tore all in the space of 2 days! MADNESSS!!!
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Postby nosworth on Mon Nov 24, 2003 7:49 pm

s'what u get for running more boost...But its all good fun tho!
Fear is standard brakes
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Postby Fezzy Turbo on Mon Nov 24, 2003 9:36 pm

Well i didnt get anything rip or fall off when i turned my boost up :o
Greg : Owner of a FRST for 14yrs

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1990 FRST : Sold.
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Postby penfoldian on Tue Nov 25, 2003 3:50 pm

nosworth :s'what u get for running more boost...But its all good fun tho!


yeah tru, though in reality, i have not turnt up the boost but just set it too its correct value, being that before the bleed valve it was running on 0.3 bar ! anyway its GREAT FUN NOW!!!

at the moment I've pissed off a Escort RS Turbo, Saxo VTS, Fiesta MK4 Zetec 2.0, and a R32 Golf!! lovely!!!!
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Postby Escort Cos on Tue Nov 25, 2003 4:04 pm

Do you know if the car is chipped or not.

Standard should be about 0.5 bar, that's 8psi.
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Postby Sparky on Tue Nov 25, 2003 4:06 pm

Is your ECU chipped at all. As standard the FRST runs about 0.5 bar.
At the higher gears you are doubling this!! Aren't you hitting the boost protection limit?
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Postby penfoldian on Tue Nov 25, 2003 10:18 pm

calm down calm down!

yeah it is chipped, big silver box near the passenger foot with a super chip thing stuck on it. is that it?
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Postby Fezzy Turbo on Wed Nov 26, 2003 10:02 pm

Yeah thats it
Greg : Owner of a FRST for 14yrs

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1990 FRST : Sold.
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