JCrooks427
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I have a 90 bronco with a 302 and want to put in a 351. What computer and wiring issues should I plan on and are there any wire harness conversion kits?
swapping 302 to 351 efi's
- Thread starter JCrooks427
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Broncobill78
New member
No issues, remove the 302 & install the 351. It'll work with the same computer & harness. You'll need to change the exhaust manifolds & Y-pipe (351W is a couple inches wider than the 302). The 302 motor mounts should work ok. Use the 351 accessories and be sure to use the 351 flywheel & harmonic balancer (swapping the 302 pieces will shake the 351 apart)
Hop's Bronco
New member
I am going to be doing the same thing very soon and some one told me that i need to change the lower intake.. I dont have the intake off the 351.. so do I need to find one or what do I need in this area.. thanks
