TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.
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should i keep tune port

Old Feb 2, 2007 | 05:11 PM
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K-9
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should i keep tune port

I just brougt a 1987 IROC it as a 350 5.7 and i won't to get a lot more power out of it,I won't to know if i should keep the tune port or should i change it to carburetor.
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Old Feb 2, 2007 | 10:54 PM
  #2  
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From: West of Toronto
Car: 89 IROC
Engine: 305 TPI / ZZ4 cam
Transmission: Stage 2 700R4, LS1 driveshaft
Axle/Gears: Strange 3.42 w/ Auburn
I would stay with the TPI. You can do a lot of mods and add ons to get all the power you want. Just remember to upgrade the brakes.......or carry an anchor and parachute.
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Old Feb 2, 2007 | 11:11 PM
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From: Pittsburgh, PA
Car: Cobalt SS/SC and 88 IROCZ
Engine: 383 TPI
Transmission: 700R4
Axle/Gears: 3.73 Eaton Posi
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