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Thread: Opinions About 7.4 To 5.3 Swap?

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    How Is That Msd Setup To Install,wiring Wise? Anyone?
    Only a couple connections, it gives you a couple preset timing curves to play with.

    Im guessing your going the junkyard route for the engine, make sure you get the coils, they aint cheap, without them, the distributor conversion would make more economical sense.

    Probably need to ask questions about your transmission, going to carb, your gonna want a controller or determine if the stock ecm can handle this without the engine efi functional

    You may realize its worth the hastle to just transplant the stock LS efi harness and reprogram the computer.

    Either way you go, its pretty straight forward, just time consuming and alotta little things to work out. Glad its you and not me.

    Are you sure you cant find a 454 wizard somewhere that cant help you tweak the snot out of it to get it to perform a little better mpg wise.
    Last edited by LSXmyford; 05-23-2008 at 07:02 AM.

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