TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.
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lt4 hotcam

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Old Feb 12, 2006 | 01:02 PM
  #1  
5.7tpiroc's Avatar
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Joined: Nov 2005
Posts: 81
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From: Amarillo, Tx
Car: 89 Iroc
Engine: 5.7tpi
Transmission: 700r4
Axle/Gears: 9 bolt posi w/ 2.77s
lt4 hotcam

will a lt4 hotcam be streetable with the stock converter or will i need to get a stall? thanks
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Old Feb 13, 2006 | 02:36 AM
  #2  
RPOL98's Avatar
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Joined: Apr 2005
Posts: 286
Likes: 6
From: USA
Car: 90 IROC
Engine: 5.7L TPI
Transmission: 700R4
Axle/Gears: 9-bolt BW
very streetable. I have one in my daily driver. You may have to get your fuel-air-spark tune-up adjusted though. not sure if it will run with a stock chip.
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Old Feb 13, 2006 | 02:49 AM
  #3  
3.8TransAM's Avatar
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Joined: Feb 2000
Posts: 7,015
Likes: 2
From: Schererville , IN
Car: 91 GTA, 91 Formula, 89 TTA
Engine: all 225+ RWHP
Transmission: all OD
Axle/Gears: Always the good ones
Streetable with a stocker, just better results with some more stall :-)

It should run on your car without major tuning. It just wont be anywhere near its best :-) It should be made to run if u take the time to make sure everythign is set mechanically and electrically and the TPS and IAC are adjusted properly. Hit the prom board and do some research and you can be tuning yourself for not a lot of $$$$.

later
Jeremy
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Old Feb 13, 2006 | 05:51 PM
  #4  
5.7tpiroc's Avatar
Thread Starter
Junior Member
 
Joined: Nov 2005
Posts: 81
Likes: 0
From: Amarillo, Tx
Car: 89 Iroc
Engine: 5.7tpi
Transmission: 700r4
Axle/Gears: 9 bolt posi w/ 2.77s
well i have a hypercrap that came with the car, and have no experience in prom burning, don't have a laptop anyways. will the cam work with my current chip?
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Old Feb 13, 2006 | 06:02 PM
  #5  
Shagwell's Avatar
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Joined: Apr 2002
Posts: 4,627
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From: Southwest Florida
Car: projects.......
actually the stock chips tend to be better than the hypercrap/superchips. It may run(many do) on the "stock" tune, but having it properly tune will help driveability and performance.
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Old Feb 14, 2006 | 06:55 PM
  #6  
thunderstick's Avatar
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Joined: Jun 2000
Posts: 1,295
Likes: 0
From: VA
Car: '91 Z28
Engine: L98 5.7L TPI
Transmission: 700R4
Axle/Gears: 323's
oh yea, it'll run with your stock chip... i have a higher stall and slightly modified heads, but still have the stock chip. i have an electrical problem that should be fixed this weekend (hopefully), so once that's done and i can finish breaking in the motor, i plan to take it to the dyno and have it tuned there, but it runs well as it is.

KAM
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