having trouble with my boost gauge!

fastsupralife · 09-07-2006, 01:46 AM

ok i have a 1987 turbo supra all stock with the exception of in intake. when i am stopped in and i rev my engine my boost gauge doesnt even go to 0 doesnt move one bit but when i put it in first i step on the gas it still doesnt move until my turbo is fully spooled then it go's to 8.... my qeustion is is my gauge bad or going bad or do i have a leak anthing would help.........

marc · 09-07-2006, 01:51 AM

im prety sure nothing wrong. mine works the same way, it just spools up fast. its not supposed to move if ur idling or flooring it in N.

fastsupralife · 09-07-2006, 01:58 AM

well it also doesnt even move sometimes even when fully spooled.

Supra2NR · 09-07-2006, 06:16 AM

i dunt have a turbo yet

but i dunt think anything is wrong with your gauge

youre not gonna get any boost when the car is in (N) nuetral or (P) park

dcrusupra · 09-08-2006, 02:45 AM

Get an aftermarket boost gauge. The stock one is ungodly slow.

SupraSaver87 · 09-08-2006, 02:09 PM

Well I used to have that problem with my guage, it would be at nothing, and you hear your turbo going (I had wide open exhaust for a couple days!). Either way, it just wouldn't go till I was up around 4,500rpm or so, then BOOM! it was up there quicker than a cock at the playboy mansion.

I had actually had some boost leak, and my turbo only went just below the 4 on my guage. (It's the last number on my guage) I had fixed this problem by replacing some vacume lines, and I think I had asked it to work, even offered to get it a hott new sexy temp guage, and some alone time!

I believe it's in somewhere with the vacume lines, but your problem sounds like normal operation...unless it was happening at 4,500 or later, at WOT...like mine.

P.S. Now mine spools up, and is at max by 3,600RPM at WOT...just about RIGHT where it is supposed to be.

supra90turbo · 09-12-2006, 12:57 AM

Get an aftermarket boost gauge and rid yourself of the horribly slow stock one.

If you do, you will see it come out of vacuum if you rev in neutral.
When it's installed, watch them both react to throttle inputs while driving. You'll be surprised at just how slow the stock one really is.

09-07-2006, 01:46 AM	#1
fastsupralife Stock Join Date: Sep 2006 Location: iowa Posts: 3	having trouble with my boost gauge! ok i have a 1987 turbo supra all stock with the exception of in intake. when i am stopped in and i rev my engine my boost gauge doesnt even go to 0 doesnt move one bit but when i put it in first i step on the gas it still doesnt move until my turbo is fully spooled then it go's to 8.... my qeustion is is my gauge bad or going bad or do i have a leak anthing would help......... __________________ 1987 TURBO SUPRA 7MGTE

09-07-2006, 01:51 AM	#2
marc 12psi boost Join Date: Jun 2006 Location: salem mass Posts: 329	im prety sure nothing wrong. mine works the same way, it just spools up fast. its not supposed to move if ur idling or flooring it in N. __________________ nothing but the best -mods- so far K&N intake fipk 3" megan downpipe 3"turbo elbow 4 washers on the wastegate highflow cat short shifter 89+ front bumper, pic soon to come many more upgrades soon

09-07-2006, 01:58 AM	#3
fastsupralife Stock Join Date: Sep 2006 Location: iowa Posts: 3	well it also doesnt even move sometimes even when fully spooled. __________________ 1987 TURBO SUPRA 7MGTE

09-07-2006, 06:16 AM	#4
Supra2NR 1000whp postwhore Join Date: Apr 2006 Location: Chi-Town Posts: 1,643	i dunt have a turbo yet but i dunt think anything is wrong with your gauge youre not gonna get any boost when the car is in (N) nuetral or (P) park __________________ http://www.myspace.com/supra_2nr Into Bikes now,, apparently the supra couldnt kill me, so my zx6 might lol

09-08-2006, 02:45 AM	#5
dcrusupra 500whp yet? Join Date: Aug 2005 Location: Plantation, Fl. Posts: 1,052	Get an aftermarket boost gauge. The stock one is ungodly slow. __________________ New Rebuild My CarDomain

09-08-2006, 02:09 PM	#6
SupraSaver87 3" Exhaust Join Date: Jun 2006 Location: Manitoba Posts: 150	I have a 1987 as well!! Well I used to have that problem with my guage, it would be at nothing, and you hear your turbo going (I had wide open exhaust for a couple days!). Either way, it just wouldn't go till I was up around 4,500rpm or so, then BOOM! it was up there quicker than a cock at the playboy mansion. I had actually had some boost leak, and my turbo only went just below the 4 on my guage. (It's the last number on my guage) I had fixed this problem by replacing some vacume lines, and I think I had asked it to work, even offered to get it a hott new sexy temp guage, and some alone time! I believe it's in somewhere with the vacume lines, but your problem sounds like normal operation...unless it was happening at 4,500 or later, at WOT...like mine. P.S. Now mine spools up, and is at max by 3,600RPM at WOT...just about RIGHT where it is supposed to be. __________________ My Ride: http://www.cardomain.com/ride/2351563 Our Supra’s, which art in the driveway, Hollowed be thy power, thy mods are great, thy speed endless, On the road or at the track. Give us this day free of cops, And forgive us our impound charges, as we forgive those who are slow. And lead us not into speed traps, and deliver us from the interceptors, For thine is our car, the power, and the glory…forever and ever….amen.

09-12-2006, 12:57 AM	#7
supra90turbo 3" Exhaust Join Date: May 2006 Location: MA, 01468 Posts: 155	Get an aftermarket boost gauge and rid yourself of the horribly slow stock one. If you do, you will see it come out of vacuum if you rev in neutral. When it's installed, watch them both react to throttle inputs while driving. You'll be surprised at just how slow the stock one really is. __________________

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