HELP!!!!!!!!!!

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Jan 8, 2011 | 08:25 PM

Clueless1979ford100

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HELP!!!!!!!!!!

Would it be diificult to put a 351 in a 1979 F100 that just blew up a 302? Are the motors drilled the same, etc. What, if any, modifications would I need? I would appreciate any input. Thanks

Jan 8, 2011 | 08:34 PM

79 f350ts

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From: Southaven,Ms

depends on what 351 your swapping, 351m, 351c,351w.

Jan 8, 2011 | 08:41 PM

merccougar93

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if its a windsor, its just a drop in deal, maybe some problems putting the headers back on, since the deck height is different. But a modified/cleveland would need some fab work and the bell pattern is different

Jan 8, 2011 | 08:52 PM

79 f350ts

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From: Southaven,Ms

bell patern is differen on the m , but not the c everything else on the c howeveer is different so some fabbing wold be required. as stated above 351w is the closest to a "bolt-in" swap

Jan 8, 2011 | 09:06 PM

merccougar93

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i thought the c and m bell patterns were the same, but ive been wrong many times before

Jan 8, 2011 | 09:13 PM

79 f350ts

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From: Southaven,Ms

cleveland uses the smallblock pattern, m uses the 460/429 pattern not sure exactly why Ford did this though, maybe someone here can enlighten us while we wait to see what the OP actually has

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