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05-15-2018, 01:15 PM
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Registered User
Join Date: Jul 2017
Location: herminie, pa
Posts: 309
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Considering re-gearing my c20
I'm considering re-gearing my 72 c20( 350/350 dana 60) in an effort to make it a little more Comfortable to drive on the highway. It currently has 4.10 gears, and I would switch to a 3.55. Using an rpm calculator, I figured that currently at 60 mph I'm turning 2800 rpm. If I switched to 3.55s, I would be able to drive 69 mph at the same 2800 rpm. What are your thoughts?
I also considered swapping transmissions to a 700r4/200-4r, but my current th350 shifts really well, and i would rather just leave it in place.
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2009 GMC Sierra 1500 2006 Buick Lacrosse 1987 Chevrolet V10 1972 Chevrolet c20 350/350 1967 Chevrolet Biscayne ls3 swapped |
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