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77 f250 crew cab highboy


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#1 sniff

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Posted 03 July 2009 - 09:14 AM

have a 351m in this truck and have a line on a 429 cobra will that bolt right up not. any one know the horsepower differance,thanks for any help.

#2 bronc76

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Posted 04 July 2009 - 03:36 AM

the 351M, according to chilton has a rating of 132, the 429 in the mustang has 370-375. since the 351M /400 has a big block bell housing bolt pattern it should bolt up to tranny. There is alot of horsepower potential if you decide to stick with the M-block.



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