Gonna replace engine in a 1998 chevy truck 5.7 vortec with 1984 chevy truck engine what do I do with the crank sensor wire

Asked by GuruZHFF7 Nov 06, 2017 at 08:28 PM about the 2007 Chevrolet Silverado 3500HD

Question type: Maintenance & Repair

4 Answers

F_O_R answered 6 years ago

You will need to run the 84 engine with it's original ignition set up. You can't use the 98 ECU with an old engine. BTW - your truck will never pass smog inspection again.

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GuruZHFF7 answered 6 years ago

I'm gonna swap the heads from the vortec to the 84 engine just need to know if I have to do anything with the crank sensor wire

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