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Old 03-16-2017, 01:11 AM   #2
Captainfab
60-66 Nut

 
Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,246
Re: SM-420/Pontiac engine

It should bolt right up to a Pontiac bellhousing as long as the center bore is 4-11/16". But then you have the issue of having to support the rear of the trans since you will no longer have a crossmember mounted bellhousing. The SM420 does not have provisions for a mount.
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