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Thread: 0411 driving TPI

  1. #1
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    0411 driving TPI

    Any downside/issues to using a 0411 ECM and harness on a TPI (since I already have all the pieces)? -Bob

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    TPI doesn't use a crank position sensor and the ignition/cam position wiring is different. Also, TPI is batch fire while the 0411 is normally sequential injection. Take a look at the differences between the Vortec and TPI systems and you'll see what would be needed to do it. The late Vortec 350 was used with the 0411 in vans, so as long as you can get the details ironed out, it's possible. I don't see any downside once you get it put together, the 0411 is far superior to the TPI ECMs.
    1973 K-5 Blazer, TBI 350, TH400, 1 ton axles & 38" SSRs'
    1975 280Z, TBI 350, 700R4
    1953 M-38A1, TBI Buick 231
    1951 Ford Panel, 5.3 with 4L80E

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    Quote Originally Posted by BBPanel View Post
    Any downside/issues to using a 0411 ECM and harness on a TPI (since I already have all the pieces)? -Bob
    It will work just fine! I am running an 0411 in my 1997 Express using the 2002 Express L31 tune and have a marine intake on it with external injectors from a LS.

    Just iron out the crank reluctor/timing cover and balancer. EFI connections offers a timing cover modified to seal to a pre 1996 block. Balancer will need to be machined down the width of the reluctor. Also cannot run a gear drive or double roller. Single roller works well though.
    Last edited by Fast355; 06-21-2015 at 06:54 AM.

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    Thanks for clarifications. -Bob

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