Thread: New to squares
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Old 02-08-2018, 09:18 AM   #36
Edahall
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Join Date: May 2011
Location: Goliad, TX
Posts: 672
Re: New to squares

Since your transmission is hunting between 3rd and overdrive at 80 mph, just manually shift it in into 3rd. You'll at least prolong the life of the transmission. I calculated the RPMs.

2343 RPM, O/D @ 80 mph
3437 RPM, 3rd @ 80 mph

The 350 develops more power at 3437 RPM than 2343 RPM and your 350 engine should be happy running at 3500 RPM.
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