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How Much Boost Is Safe

burnsie

By burnsie,
in Engines & Forced Induction

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Black_CSR Rising Star

Black_CSR

Posted
Posted (edited)

What happens if im test driving n the screw falls off in the middle of it??

hehehe

Do u start off with the Screw all the way Out??? i can't remember where it was Pre_Set when i first got it.. so yeh

Cheers

Edited by Black_CSR
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mad082 Grand Master

mad082

Posted
Posted (edited)

wouldn't have to change the bov, unless it starts leaking when you get on boost. the stock bov is designed to leak at all times. it has a hole in it to do so. this leaking also helps it hold higher boost as the leaking air pushes down on the top of it to keep it closed. i blocked mine up and it started leaking boost so i unblocked and it doesn't spike. but going to an aftermarket bov will stop it leaking any boost and make it spool up a touch quicker. (its like trying to fill a bucket with a cup with a hole in it. plug up the hole and you will fill the bucket quicker).

you would need an aftermarket ecu to get rid of boost cut. and remember that 14psi on a high flow will give more power than 14psi on stock turbo.

Edited by mad082
Quinny Rising Star

Quinny

Posted
Posted
wouldn't have to change the bov, unless it starts leaking when you get on boost. the stock bov is designed to leak at all times. it has a hole in it to do so. this leaking also helps it hold higher boost as the leaking air pushes down on the top of it to keep it closed. i blocked mine up and it started leaking boost so i unblocked and it doesn't spike. but going to an aftermarket bov will stop it leaking any boost and make it spool up a touch quicker. (its like trying to fill a bucket with a cup with a hole in it. plug up the hole and you will fill the bucket quicker).

you would need an aftermarket ecu to get rid of boost cut. and remember that 14psi on a high flow will give more power than 14psi on stock turbo.

Thanks mate, exactly what I needed to know.

Black_CSR Rising Star

Black_CSR

Posted
Posted (edited)

Well at the moment.. i'm running 12 Psi.. n i'm not getting any Fuel Cut for some reason.. so i'm not sure if i have a Stock Ecu n it has a Rev Limiter on it as well...

I remember when i did my first Test Run when the Boost Controller started working.. it went upto 15 psi.. but didn't cut out.. but i didn't give it stick till redline.. just suprised it went up that high.. n did Pop when i changed gear..

What if i keep it on 12.. n get FMIC.. will that b ok???

Oh yeh Evil_weevil.. u going to Antilag Cruise this weekend??? if u r u could sort my boost problem when i c ya hehe

-SeSaR

Edited by Black_CSR
mad082 Grand Master

mad082

Posted
Posted

depends on mods. it is based off air flow, not boost pressure. i was running 13psi with stock dump and cat with not boost cut. the day i put on the dump and cat boost cut was kicking in at 1/4 throttle so i had to wind the boost down.

Black_CSR Rising Star

Black_CSR

Posted
Posted (edited)

So Mad082..

As long as I don't get any Boost Cut... it should b ok to Run??

I have a HKS Filter n Zorst 2 1/2 wif Cat n High Flow Muffler.. was driving tonite n was cruising along in the freeway in 5th doing about 90... so i put it in 3rd n give it some stick n c how it go..

It went Hard Alright... but the Boost went upto 13-14 psi.. i'm guessin the Cold night gave it extra PSI

didn't cut out though.. kept going hard.. then had a played around wif this SS... didn't Cut out... Caned it up 2 about 4th then slowed down was worried it mite POP..

-SeSaR

Edited by Black_CSR
mad082 Grand Master

mad082

Posted
Posted

yeah should be cool. just have to watch out that it doesn't do it when the engine is cold, but you shouldn't be driving it hard when the engine is still cold. when i have the boost at about 13psi i get boost cut until the pipes heat up. the engine can come nearly up to temp and if i give it a quick boot in 3rd it will start to rev up then cut. it will only do it once or twice, then the cooler and piping comes up to temp and it won't do it again.

mad082 Grand Master

mad082

Posted
Posted

it only did it in the morning on the way to work... and on the way to the dyno run, so i had to wind the boost down which i was a bit annoyed about cause i took it for a spin the night before to see if it was going to do it and it didn't.

Black_CSR Rising Star

Black_CSR

Posted
Posted

Sounds Good.. well i put it Back on the way it was before.. which is connect it to the Stock Selonoid.. in which it's suppose to Run Stock Boost n gave it a quick run n it went only up 6.5psi n won't get any higher.. where it used 2 b 8psi.. so that kinda annoyed me..

but anyway i'll put it back on n c how it runs for the Cruise on Sat Nite..

SeSaR

AdamsR33 Mentor

AdamsR33

Posted
Posted
This is getting f*kkin rediculous

You know what is fcukin ridiculous, people like you who think everyone knows how to use the search function from the word go. fcukin ridiculous. Were you born a dickhead or do you work really hard at being one. Grow up Kris.

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