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Re: 6.9L to 429 swap
Posted to HD/Fleet Forum on 12/18/2006

First question is WHY a 429?

My memory of 429 truck engines is SLOW and fuel hungry to an extreme. If you like repairing broken exhaust bolts a Ford big block is sure to please.

I believe the bell housing patterns are similar, the torque converter from the... Login to read more.