351 Swap
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Joined: May 2003
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351 Swap
I have a 74 F100 with a 302 that I plan to swap with a 351HO from an 85 truck. Should it fit in place of 302 just fine or is it going to have problems (engine mounts, bellhousing bolts, etc.)
I have a C4 transmission if it matters any.
Chris
I have a C4 transmission if it matters any.
Chris
FTE Chapter Leader
Joined: Sep 2000
Posts: 3,862
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From: Beachville, Ontario
351 Swap
Simple swap. Exhaust and accessories are the only major obstacles when doing the swap. And you might need to change oilpans and pickup tubes. Check the 73-79 forum for more information, several of us have done the swap, and we all love it.
Senior User
Joined: Dec 2002
Posts: 297
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From: central pa
351 Swap
you need the oil pan and pickup tube, distributor,
intake manifold from the 351. the distributor may have to be changed if its a tfi ignition. the 351 is taller and wider so if you staying with stock exhaust you will have to modify the 302 pipe or but a new 351 pipe or go with headers. if the 85 has a serpentine belt set up make sure you get everything for it.they use a reverse rotation waterpump and differ from earliar v-belt setups
intake manifold from the 351. the distributor may have to be changed if its a tfi ignition. the 351 is taller and wider so if you staying with stock exhaust you will have to modify the 302 pipe or but a new 351 pipe or go with headers. if the 85 has a serpentine belt set up make sure you get everything for it.they use a reverse rotation waterpump and differ from earliar v-belt setups
Hotshot
Joined: Jul 2002
Posts: 14,285
Likes: 12
From: Bend,OR
351 Swap
here check out this site. lots of good info on the swap. Ill be doing this on my bronco this summer.
http://www.fast351.com/tech/351w.htm
http://www.fast351.com/tech/351w.htm
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LuckyR
1973 - 1979 F-100 & Larger F-Series Trucks
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Apr 12, 2014 05:09 PM
