Join Date: Aug 2002
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Re: Big Block For My Scout
MOPAR has the advantage that you can get a Mopar 727 and mix n' match parts to put the 426/440 in front of a 727 with the IH tailhousing n' such and not change driveshafts around.
BBC is just cheaper.
In either case, GO BIG. You'll want a 454 or 440 if you're trying to make up for the loss of a 345. A smallblock just won't make the same grunt as the stock IH does.
If you go Chevy, I'd grab a Chevy motor, trans, NP203, and doubler and swap the whole setup in.