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Old 11-12-2015, 02:09 AM   #5
Captainfab
60-66 Nut

 
Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,254
Re: Who has a newer transmission on their 305 V6

Another option would be a GearVendors overdrive unit behind your SM420, although not cheap.

Making an adapter for a Dodge NV4500 as duallyjams mentioned has been done here on the forum.

http://www.67-72chevytrucks.com/vboa...d.php?t=613597
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