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Old 05-25-2007, 05:58 AM   #1
Spudboy
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Default Low turbo boost

1988 turbo supra. Seems like I'm not getting the turbo boost I should.
When it kicks in the gauge goes to about +1 max. (no boost at -4, needle only will reach +1 when floored) This stock gauge of course goes to +8.

I found cracks in the turbo inlet pipe. Replaced with nice steel one and put on a K&N filter kit. All other in/out hoses seem in good shape.

What could be the problem?
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Old 05-25-2007, 06:33 AM   #2
mizuboi
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recheck all of your vacume lines
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my modifications
blitz nur spec catback exhaust, JDM 7m-gte, hks head gasket, arp bolts and studs, k&n air filter, Clutch masters FX300, hks SSQ bov, spearco intercooler, NGK iridium plugs
comming:
new fly wheeel
and not running

for sale
car parts for sale
misc. things for sale


stole it from sm
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Old 05-25-2007, 07:02 AM   #3
twerb089
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does it feel like your boosting more than 1psi?

could be a restriction in the boost gauge
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1989 supra turbo automatic soon to become a manual
K&N, megan dp, gutted cat, 2 1/2" magnaflow cat back
NA intake cam, shimmed actuator
no A/C or P/S, therefore no ac condensor, compressor and no ps pump or resivior.
gutted interior, 4 tweeters, 2 kicker 12"s powered by an MTX 400W 350rms and an audiobahn 400W 300rms
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