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motor help ls1 carb?

This is a discussion on motor help ls1 carb? within the Automatic Transmission forums, part of the Drivetrain category; have a 99 5.3 liter truck motor. doing a conversion into a mud truck. want to use the 5.3 and ...

  1. #1
    Junior Member JASON 77's Avatar
    Join Date
    Dec 2005

    1997 GTP

    motor help ls1 carb?

    have a 99 5.3 liter truck motor. doing a conversion into a mud truck. want to use the 5.3 and do the MSD carb setup and a 350 turbo. is there any1 here can help me out to tell me what all is needed to do conv.i have a 350 turbo, the 5,3 truck motor what can i do for the trans, which converter do i use and does the turbo bolt up yo yhe 5.3 liter

  2. #2
    Junior Member
    Join Date
    Sep 2005
    i used the edelbrock kit, it comes with the intake manifold, msd box, and wiring harness, and throttle cable brackets

    the th350 trans will bolt up to the 5.3 but 1 bolt hole will not be used(no big deal), and you will need a crankshaft adapter for the th350 converter, these can be purchased from summit racing for $40 hup-hp3795 made by hughes performance

    the converter bolt holes in the flex plate will need to be ovaled out a bit with a dremmel or carbide grinder bit to make the holes match the early converter bolt pattern, you could buy a aftermarket flex plate with dual patterns but they are still kind of expensive and so far mine is holding up just fine
    Last edited by jay_lt4; 04-05-2006 at 03:30 PM.

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