351w swap
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Senior User
Joined: Apr 2005
Posts: 134
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From: jersey
351w swap
im gettin ready to swap out the 351w in the truck now for another one. i have one but it looks like it came outta an auto. my truck is an 85 f-150 shortbed w/ 351w and a 4spd 4x4.
can i just take off the flywheel and bolt it on or do i need a pilot bearing of some sort..and if i do..wat does it take to put on?
can i just take off the flywheel and bolt it on or do i need a pilot bearing of some sort..and if i do..wat does it take to put on?
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Joined: Jan 2001
Posts: 56,997
Likes: 2,744
From: Virginia
You definitely need a pilot bearing. Hopefully Ford machined the crankshaft already for it, even though it went in an automatic car. If it's already machined, just buy the bearing and drive it in with a block of wood.
I guess you already know you are going to have to change oil pans, oil pump pickup tube, and one of the main bearing hold-down studs. It's easy. What I would also do, is while you have the oil pan off the new engine, stick your finger up in the bottom of the timing cover and see how sloppy the timing chain is. I checked mine, and found it had a lot of play, so I went ahead and tore the front off the engine and replaced it. They used plastic coated timing gears that are famous for breaking apart.
I guess you already know you are going to have to change oil pans, oil pump pickup tube, and one of the main bearing hold-down studs. It's easy. What I would also do, is while you have the oil pan off the new engine, stick your finger up in the bottom of the timing cover and see how sloppy the timing chain is. I checked mine, and found it had a lot of play, so I went ahead and tore the front off the engine and replaced it. They used plastic coated timing gears that are famous for breaking apart.
