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335 Series- 5.8/351M, 6.6/400, 351 Cleveland
351M bolt patttern

351M bolt patttern

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Old

Nov 4, 2009 | 09:23 PM

#1

Xrigid18X

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351M bolt patttern

Does the 351M have a big block bolt pattern or the small block? reason for asking is there is one for sale in my area and I want to put it in my f150 with the m5r2.

Thanks in advance!

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Nov 5, 2009 | 12:26 AM

#2

85e150

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It has the 385 big block pattern--370/429/460. No M5R2s in that pattern afaik. ZF trans yes, but not the Mazda box.

You replacing another 351M?

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Nov 5, 2009 | 09:11 AM

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Xrigid18X

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No I am replacing my 300 six with a V8 and found a 351M for sale on craigslist and wasn't sure if it would bolt up to my trans

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Old

Nov 5, 2009 | 06:48 PM

#4

85e150

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FWIW, I would upgrade the six before I fooled with this swap. Stock for stock, the 300 wins against the 351M.

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Tags

351m, bolt, ford, m5r2, pattern, sale, trans, zf

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