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Transmissions and Rear Ends Three on the tree or four in the floor? Shift it all here. |
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#1
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Anyone try out doc differential 3.23 gears for Dana 60 rear ends? I've noticed they are the only one I have seen offer it. I have a 66 gmc 1500 with a 4 speed granny tranny being pushed by a chevy 350 short block. Was looking for more hwy cruising speeds. Current gearing can pull a house but it screams past 50. Thanks
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#2
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I don't think the dana 60 will support a 3.23:1 gear set. I believe a 3.54:1 is the lowest you can go. The 3.54:1 is what I installed in my truck with LTX M/S2 LT235/85R16E tires. On the freeway I believe at 60 mph my rpm is around 2200.
By the way - We normally support GMC V6 engines and not the other brand. |
#3
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https://www.doctordiff.com/dana-60-ring-and-pinion.html
I guess he was referring to this site that lists them.
__________________
1961 GMC Suburban 305A Overdrive 1962 GMC Utility 305D |
#4
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