TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.
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next mod?

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Old Jul 4, 2003 | 12:43 PM
  #1  
DOOSKI's Avatar
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Joined: Jun 2002
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From: Sweden (malmö)
Car: 1990 Trans Am GTA
Engine: 5.7 TPI 350 sd
Transmission: A4
next mod?

Hello!!! need a little help! Whats the next thing to do after full exhaust, afpr, kn, ported plenum, ignition? i have 1500$ that i want to invest in the motor?

GTA-350 5.7l map
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Old Jul 4, 2003 | 01:11 PM
  #2  
Cruzin Kaz's Avatar
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Joined: Jun 2002
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From: Welland, Ontario, Canada
Car: 85 Monte Carlo SS...
Engine: T.P.I L98.
Transmission: TH350
Axle/Gears: 3:73 Posi
For $1500... I would get a nice cam, get your heads machined for guide plates and screw in studs, and get some Roller Rockers. Maybe with what you have left you could invest in a stall converter to work with your cam of choice.
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Old Jul 4, 2003 | 03:11 PM
  #3  
Error404's Avatar
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Joined: Mar 2003
Posts: 553
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From: Phoenix Arizona
Car: 86 Iroc
Engine: 350 crate
Transmission: built 700r4
I 2nd the Heads and Cam movement.
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Old Jul 4, 2003 | 07:56 PM
  #4  
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From: tyler
Car: cobalt ss/sc, 91 z28, 92 z28
Engine: 385 stroker
Transmission: 700r4
Axle/Gears: stock 10 bolt 3.73
yeah heads and cam why not try the trickflow aluminum heads about a thousand fully assembled ready to bolt on out of the box except rocker arms thru summitt and then a nice hydraulic roller cam for about 250 to 500 depends on what u want it for.
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