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11-15-2010, 10:54 PM | #1 |
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Join Date: Nov 2009
Location: Georgia
Posts: 440
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Best rear gearing for my truck
The truck is a 1967 GMC Pickup, it has a 250 inline-six with a 3-speed Muncie SM318 trans. I believe the SPID reads 3.54 rear gears.
What would be the best gearing for street and highway, where it would make 65-70 without maxing the RPM's. Thanks!
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---| 1967 GMC Stepside |-- 250 L6 .030 over ---| 1985 Porsche 944/1 |--- Build Thread: '67 GMC http://67-72chevytrucks.com/vboard/s...d.php?t=378640 Last edited by LandonL; 11-15-2010 at 10:54 PM. |
11-15-2010, 11:00 PM | #2 |
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Join Date: Aug 2009
Location: Tomball, TX
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Re: Best rear gearing for my truck
I think the 3.54's should work really well for a street/highway mix, you could get 3.08's which would do better on the highway, but you be lugging it around town.
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'68 C10 LWB 6.2NA/NP833 3.73's |
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