1 to 1.5 bar on stock turbo?

Post by **chaos2000** » Sat Sep 19, 2009 4:18 pm

ok i just wanted to know if this is normal, i recently swaped a s14 sr20 into my 90 hatch. i have walbro fuel pump 3in turbo back apexi exhaust hks ssqv bov no name front mount and the motor came with upgraded cams i just dont know what kind. but my question is its pushing 1 to 1.5 bar it will hold boost all the way to redline but i dont want to blow my motor due to over boost. so is this normal?

Website · Post by **mRodiek** » Sat Sep 19, 2009 4:29 pm

They say not to push the stock turbo past 13psi [just under 1bar]. Its your risk though

Post by **chaos2000** » Sat Sep 19, 2009 7:40 pm

im not trying to risk it thats why i was asking so should i just baby it until i get a boost controller?

Post by **White Comet** » Mon Sep 21, 2009 6:10 pm

1 bar is safe on a properly running motor but any more is pushing it

Post by **Wretched** » Wed Sep 23, 2009 11:46 am

Sounds like a wastegate issue. where do you have your boost reference tapped into? Any weird bends in the wastegate linkage?

Btw, a boost controller won't fix a faulty wastegate.

Post by **the converted** » Wed Sep 23, 2009 2:15 pm

Wretched wrote:Btw, a boost controller won't fix a faulty wastegate.

+1 A boost controller can only bring the boost up, not down.

Post by **Justin35ll** » Wed Sep 23, 2009 2:26 pm

you'll probably blow the turbo before the engine if it was overboosting anyway. That is if it doesn't completely lean out due to the extra air.

i run my t25 at about 12psi some days with no tune and no a/f controller

Post by **chaos2000** » Wed Sep 23, 2009 5:52 pm

i followed the vac diagram that i found here on nico and no theres no weird bends. but i read a thread earlier about how your supposed to be able to move the wastegate arm by hand and i cant move mine at all. plus i dont think ill run lean any time soon my car is running super rich right now.

Post by **dc1984** » Fri Sep 25, 2009 11:18 pm

is it 1 or 1.5 bar because that is also equal to 14.7 - 22.05 psi (assuming 14.7 psi= 1 bar which im pretty sure does). either way a bit a psi for a stock turbo, not sure about the s14 turbo but the s23 runs safely around 12-13 psi, stock actuator is like 7-8 psi ther so u gotta ask urself what is goin on with ur actuator to be allowing so much boost. probly went to crap and needs to be replaced.

do u have a boost only source going straight to ur actuator with no tees?

Post by **White Comet** » Sat Sep 26, 2009 1:23 am

iirc 1 bar is 14.3 psi but i'm too lazy to google it

Post by **homeslicej2** » Sat Sep 26, 2009 5:02 am

don't know about the wastegate, as I've never tried to move mine. How are you measuring your boost levels? You could have a faulty gauge or sensor and it's just reading higher than what you're really boosting.

Post by **dc1984** » Sat Sep 26, 2009 1:19 pm

looked it up, 14.7

1 to 1.5 bar on stock turbo?

1 to 1.5 bar on stock turbo?

Re: 1 to 1.5 bar on stock turbo? (chaos2000)

Re: 1 to 1.5 bar on stock turbo? (DriftBoy07)

Re: 1 to 1.5 bar on stock turbo? (chaos2000)

Re: 1 to 1.5 bar on stock turbo? (White Comet)

Re: 1 to 1.5 bar on stock turbo? (Wretched)

Re: 1 to 1.5 bar on stock turbo? (the converted)

Re: 1 to 1.5 bar on stock turbo? (Justin35ll)

Re: 1 to 1.5 bar on stock turbo? (chaos2000)

Re: 1 to 1.5 bar on stock turbo? (dc1984)

Re: 1 to 1.5 bar on stock turbo? (White Comet)

Re: 1 to 1.5 bar on stock turbo? (White Comet)

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