88 versis 91 tpi intake.
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Joined: Aug 2005
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From: California, Sacrameto
Car: 88 gta
Engine: 350 tpi
Transmission: 700r4
88 versis 91 tpi intake.
I got a complete 91 tpi intake yesterday, so I could start porting it without risking ruining my intake. I got everything TB, plenum, runners, base plate injectors fuel rails, everything. My question is, is the only difference the cold start injector? If so I can just get rid of it in the prom and run the newer intake correct?
Joined: Feb 2007
Posts: 4,767
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From: Trumbull CT
Car: 87 TA clone
Engine: 70/70 Turbo 5.3 LS
Transmission: bullet proof 2004R
Axle/Gears: ford 8.8, 3.55 gears
Re: 88 versis 91 tpi intake.
yes i believe so... not sure a 91 would be a SD and not a maf car... so idk where the speed density sensor is.. aka MAP sensor
Joined: Jul 1999
Posts: 10,950
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From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Re: 88 versis 91 tpi intake.
The MAP sensor is a black rectangle on the rear passenger side of the plenum. The SD plenum will have three vacuum ports on that side, while the MAF plenum has two. You can easily cap off the third port for use on a MAF engine.
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