1978 ford 460

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Jan 31, 2008 | 03:22 PM

markbo_43764

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1978 ford 460

I have a 460 that came out of a 78 camper special it had a auto tranny in it and I want to put it in my 77 highboy and i dont know what flywheel to put in it is it an internaly ballanced or externally ballanced motor?

Mar 2, 2008 | 04:00 PM

385seriesHemi

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It should be a internally balanced engine if its the stock '78 460. 1979 is when Ford externally balanced the 460s which were 1979 to 1996 -'97.

Mar 3, 2008 | 07:04 PM

markbo_43764

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78 460

thank you verry appreciated!

Mar 3, 2008 | 07:16 PM

385seriesHemi

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Yeah, one way you can determine if its external or internal is the weight on the front of the crankshaft behind the harmonic balancer. There should be a Hatchet shaped weight for externally balanced 460.

Sep 15, 2013 | 11:55 AM

zedrick1313

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there is another way to tell if it is internally balanced. look for numbers on the crankshaft. 2ya , 2yab, 2yabc. those are internal external numbers are 3ya , 3yab, 3yabc.