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How to build

This is a discussion on How to build within the LT1 forums, part of the Vehicle Specific category; I've got 180,000 miles and am looking at a rebuild. How do/can I build it to where I wont have ...

  1. #1
    Junior Member hartsmike's Avatar
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    How to build

    I've got 180,000 miles and am looking at a rebuild. How do/can I build it to where I wont have to get a brand new computer. I.E bore, cam things like that.

    94 T.A. Lt1

    Thanks,

  2. #2
    Pathelogical Liar BlackLT1Z28's Avatar
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    Uh, you don't have to get a new computer, you just get it tuned through the PCM via mail-order tune or dyno tune.

  3. #3
    Senior Member Sleeper101's Avatar
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    Keep the stock cam/heads/ and sensors. Internal work doesn't hurt it. A stroker bottom end with a Stock top end works fine without tuning.

  4. #4
    Pathelogical Liar BlackLT1Z28's Avatar
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    If you stroke it, won't you still need to adjust the injectors and timing?

  5. #5
    Senior Member Sleeper101's Avatar
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    Quote Originally Posted by BlackLT1Z28 View Post
    If you stroke it, won't you still need to adjust the injectors and timing?
    We didn't on mine. Went 383, with Stock ECU tune and it run fine.

  6. #6
    Junior Member hartsmike's Avatar
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    As far as head work and cam, what can be done. I'm a huge fan of hitting cams but, I'm also aware that the computer recognizes that as a miss.

    I've seen advertisements for cams on line but don't know if they will actually work.

  7. #7
    Senior Member Sleeper101's Avatar
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    Heads and cam can be changed to anything you want to put on it. You just have to get the ECU tuned on a Dyno. Here it costs about 500$ to get tuned b/c you have to buy the program.

  8. #8
    Junior Member hartsmike's Avatar
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    I guess it is better to take it and have it tuned than to order a tune Huh?

    I've heard so many stories where when people build hot motors that the computer never gets it right. Does that happen alot?

  9. #9
    Senior Member Sleeper101's Avatar
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    I would never trust a computer tuned and shipped to ya. only the Dyno will tell how the motor is re-acting, Almost every engine is different, So the tune will be a little different. So taking the car to get tuned would be smarter yes.

  10. #10
    Junior Member hartsmike's Avatar
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    If the motor is "built" will it be difficult for the computer to maintain the proper function?

    I know a guy that bought a salvaged z28 and built it for the drag strip. He said the computer never ran right. I've also heard a few similar stories. What do you guys know?

  11. #11
    Junior Member hartsmike's Avatar
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    bumpidy bump bump.

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