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Old 03-23-2015, 08:00 AM   #12
A1971Blazer
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Join Date: Nov 2013
Location: East Tennessee
Posts: 2,227
Re: Gear ratio available in 1970 on 4X4s ?

My 1971 had SM465 manual with 3.08 gears....... I assume they did this because the factory tires were relatively small in diameter and the 465 had the "granny" first gear to make low end grunt when you needed it.

My swap is 5.7L LS1/4L60E/NP241.......I am re-gearing to 4.11 with truetrac rear 12 bolt and open front D44
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