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Swapping 351M with 460

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Old Mar 21, 2006 | 06:39 AM
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Swapping 351M with 460

What is all invovled in replacing a 351M with a 460 in a 77 F-150 4x4.
 
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Old Mar 21, 2006 | 06:43 AM
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Swap

youll have to get motor mounts from L&L or something. Have to get different flywheel and clutch if it is a manual. is is internally or externally balanced. bellhousing is the same
 
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Old Mar 21, 2006 | 12:01 PM
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L&L or Performance Unlimited mounts, exaust manifolds from a van will make running the exaust easier or L&L offers both chassis and fender exit headers. Then the obvious stuff like accessories and their mounts, hoses, belts and possibly upgraded radiator depending on what you have now. L&L offers a complete kit for the swap but its costly and can be done with a bit of research and creativity.
 
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Old Mar 21, 2006 | 03:07 PM
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I have a running 460 that is still in a 77 f-150 2x4. Will those motor mounts work? I have all the accessories and all still on this truck. and its a automatic
 
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Old Mar 21, 2006 | 03:19 PM
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If you have two trucks, then you have everything needed to swap the engine or did I miss somethng here?
 
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Old Mar 21, 2006 | 03:23 PM
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well the truck im putting the engine in has a 351M and its 4x4. The truck with the engine is a 2x4. are the engine mounts the same?
 
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Old Mar 21, 2006 | 07:17 PM
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Red face

I didn't read close enuf. You need frame stands for the 460. The 351M is diff. I put a 460 out of a van into 4x2 F150 with 351 and I just made the frame stands for the 460 motor mounts to sit on. There was no prob with the exhaust manifolds.
 
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Old Mar 22, 2006 | 01:04 AM
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Like he said, he does have another truck that has a 460, so he should have those stands as well...

If you wanna swap the huge 460 radiator, the core support is different, but you may be able to modify the brackets to fit the core support of the other truck.

Mark
 
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Old Mar 22, 2006 | 10:05 AM
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I used the 351m radiator and it was marginally too small. I put external transmission cooler on to remove it from radiator. It heated up above normal one time hauling three horses and temp was about 95f and we had to run the heater at the same time to keep it in the high normal zone. Only about a 45 min trip, so wasn't too uncomfortable.
 
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