stock boost psi??

mastergrader007 · 05-13-2008, 01:39 AM

Hey,
I have an 88 supra turbo bone stock my boost gauge only goes to +4 and i only make it half way between 0 and +4 (so it would be 2 psi with my calculations) does that sound right???? im new and lost

thanks for the help

j3pz · 05-13-2008, 02:14 PM

only goes up to 4? doesnt soiund right, all the ones ive seen go up to 8psi. stock pressure is like 5 or 6 i believe

mastergrader007 · 05-13-2008, 02:36 PM

Quote:

Originally Posted by j3pz

only goes up to 4? doesnt soiund right, all the ones ive seen go up to 8psi. stock pressure is like 5 or 6 i believe

i thought is was funny that it only went to +4. so i guess im only getting 2psi of boost. that sucks. i will have to check my piping i guess. the only good thing is that this means my car should be EVEN FASTER than it already is. thanks

j3pz · 05-15-2008, 06:19 AM

hmm you sure the gauge is read in psi? also start the car and listen under the hood for hissing. im suspecting a boost leak. you could build a boost leak tester if you wanted to.

azerty · 05-15-2008, 07:13 AM

Quote:

Originally Posted by mastergrader007

i thought is was funny that it only went to +4. so i guess im only getting 2psi of boost. that sucks. i will have to check my piping i guess. the only good thing is that this means my car should be EVEN FASTER than it already is. thanks

Are you sure you have done the conversions roght?
On the stock gauge, +4 means +10 psi.
So if you have disabled your fuel cut defender, you should be carefull when messing up with the boost

mastergrader007 · 05-15-2008, 10:33 AM

im an idiot!! its not measured in psi its measured in mmhg. i guess i should pay more attention! thanks everyone for the help

05-13-2008, 01:39 AM	#1
mastergrader007 3" Exhaust Join Date: May 2008 Location: Ontario, Canada Posts: 79	stock boost psi?? Hey, I have an 88 supra turbo bone stock my boost gauge only goes to +4 and i only make it half way between 0 and +4 (so it would be 2 psi with my calculations) does that sound right???? im new and lost thanks for the help

05-13-2008, 02:14 PM	#2
j3pz 500whp yet? Join Date: Nov 2005 Location: Mechanicsville, MD, US of A, 20659 Posts: 1,060	only goes up to 4? doesnt soiund right, all the ones ive seen go up to 8psi. stock pressure is like 5 or 6 i believe __________________ 88 N/A w/ 5spd - stock - not running, bhg 87 turbo/targa w/ 5spd- fidanza light weight flywheel, new oem slave cylinder, apexi air filter, no ac and no heat

05-15-2008, 06:19 AM	#4
j3pz 500whp yet? Join Date: Nov 2005 Location: Mechanicsville, MD, US of A, 20659 Posts: 1,060	hmm you sure the gauge is read in psi? also start the car and listen under the hood for hissing. im suspecting a boost leak. you could build a boost leak tester if you wanted to. __________________ 88 N/A w/ 5spd - stock - not running, bhg 87 turbo/targa w/ 5spd- fidanza light weight flywheel, new oem slave cylinder, apexi air filter, no ac and no heat

05-15-2008, 10:33 AM	#6
mastergrader007 3" Exhaust Join Date: May 2008 Location: Ontario, Canada Posts: 79	Doh! im an idiot!! its not measured in psi its measured in mmhg. i guess i should pay more attention! thanks everyone for the help

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