what is different between 351m's flywheel +460's
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From: Lockport, NY
what is different between 351m's flywheel +460's
i'm swappin in a 460 in place of the 351m but dont have the 460's fly wheel cause it had a standard flywheel on it, so what is different between them? can i adaptit to work?
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From: fargo, nd
its the wrong balance... if you try to use a 351m flywheel on a 460 the 460 will vibrate itself apart on short order, toasting bearings and possibly breaking the crank. if you want a relatively cheap solution you could go to a junkyard and get a flywheel for a 390- theyre neutral balance and the 460 is neutral balance... unless you have a 1979+ 460, then theyre external balance and you have to get the proper 460 flywheel.
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From: Lockport, NY
i did it again!!!! i keep callin a flexplate, a flywheel!! ,sorry!!! i have a perfectly good flywheel,clutch+pressure plate,etc, but need to get a flexplate to put the 460 in my 78 bronco with a automatic c-6 sorry for the misprint!!
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Joined: Dec 2003
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From: iowa
Well you still need the one for a 460, and you need to know if you have an internal or external balanced motor. Do you know what year it is, or the casting number on the block?
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Hotshot
Joined: Dec 2003
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From: iowa
then you need the flexplate for an internally balanced engine. you should be able to get one from a local autoparts store just make sure it's a nuetral balance for that engine.
Jegs carries them to for about $77 part number 490-12-060
Jegs carries them to for about $77 part number 490-12-060
Last edited by monsterbaby; Jun 19, 2007 at 10:45 PM.