05-25-2007, 05:58 AM
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#1 |
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3" Exhaust
Join Date: May 2006
Location: So. Cal Mountains
Posts: 178
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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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05-25-2007, 06:33 AM
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#2 | |
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3" Exhaust
Join Date: May 2006
Location: orange county so cali
Posts: 228
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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 Quote:
 stole it from sm |
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05-25-2007, 07:02 AM
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#3 |
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3" Exhaust
Join Date: May 2007
Location: santa barbara
Posts: 56
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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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