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Dec 19, 2001 | 01:11 PM

#1

traildawg

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From: Lima, OH

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Helping out a friend here, so don't castrate me for his stupidity. He has a 86 Bronco 4x4 with the 4.9L and auto tranny. The question is, will this tranny bolt up to a 351W, or would he have to source a small block 4x4 tranny to make the 351W swap work? Thanks in advance for any advice.

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Dec 19, 2001 | 02:00 PM

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tetraruby

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traildawg, I get a second opinion, but I'm almost certain that the 351W and the 300 both share the same exact small block pattern. It's the 351M that has the big block pattern.

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Dec 19, 2001 | 05:18 PM

#3

Bob_VT

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Absolute tranny match.

The motor mounts will have to be changed, exhaust and a few other items but not a tough changeover.

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Dec 19, 2001 | 06:11 PM

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traildawg

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Thanks guys. I know the motor mounts and all that little pesky stuff will need changed, just wasn't sure if the tranny would bolt up to the 351W.

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Dec 20, 2001 | 08:29 AM

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Stephens

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