If you've got a donor truck, not hard at all....it's pretty much plug-n-play. The one good thing is that you don't have to mess with the motor mounts, provided you have the Windsor block....from 289 to 351 it was the same block. The 351C was a different block though, I believe. The other thing you can do is have your 302 punched .030 or .040 over, and put on 351W heads. That will increase your overall cubic inches, and you shouldn't have to change any harnesses then.
Frederic
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Frederic
1971 Sovereign International - SOLD
2004 F-350 King Ranch
AIR # 8239
EX-WBCCI # 8371
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