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383 First start

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Old Mar 28, 2006 | 04:41 PM
  #1  
Anomaly's Avatar
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From: Calgary
Car: 1987 IROC
Engine: 383SR
Transmission: 700r4
Axle/Gears: 3.23
383 First start

Basically the motor is more or less ready to start, however;
The car originally had a stock 305TPI, to which I've put in a 383 with a Stealth ram, 24lb LT1 injectors, comp cams XE274 (230 236 and .490 .490 ) and vortec heads.

I know i have alot tunning ahead of me but will the car start and run well enough to break the cam and engine in with the STOCK 305 computer? Should I try a 350TPI computer until its broken in ??? Thanks
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Old Mar 30, 2006 | 11:28 AM
  #2  
Anomaly's Avatar
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From: Calgary
Car: 1987 IROC
Engine: 383SR
Transmission: 700r4
Axle/Gears: 3.23
anybody?
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Old Mar 30, 2006 | 11:39 AM
  #3  
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From: Tulsa
Car: 86 Omni GLHT
Engine: 2.2 Turbo/Intercooled
Transmission: 5 speed
Axle/Gears: 3:85
your computer is going to be like what the hell!!!! and you might get a check engine light on... but it should run i wouldn't see why not....
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Old Mar 30, 2006 | 12:01 PM
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From: Menominee MI
she's gonna run real ruff!!!! i'm running a 350, HSR, 26# injectors, on a 305 TPI computer, stock chip as of rigth nwo...its more confused than a retard in a book store...

you should be able to get it fired up, but its gonna be lumping all over the place and is gonna be doing a lot of spuddering...its gonna be a quick battle to keep it running and adjust the timing and everything at once...

IMO its not really worth it... I would get ahold of whoever you are getting to tune it, and see if they can burn you a chip of like stock TPI 350 specs atleast, and then it should run half way decent to break in your cam...

however i did break in my motor with a 305 TPI chip, so it can be done, you have a bit more cam than me, but not much, and i have bigger injectors, so I'm guessing they will run pretty close to each other as far as being untuned...
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Old Apr 27, 2006 | 04:51 PM
  #5  
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Car: 1999 Chevy S10 Extended Cab
Hmm, why don't you go ahead and get you a programmer and chip from Craig Moates? That way you can go ahead and change your displacement size and injector constants to the correct values. It'll be a lot happier with you then.
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