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40cpe · 08-18-2016, 01:15 PM

You should be turning around 2800 at 60 mph with a 3.78 rear, so slightly less with your 3.54. Look for settings on the tach that indicate 4 cyl, 6cyl, 8 cyl.

08-18-2016, 01:15 PM	#2
40cpe Senior Member Join Date: May 2010 Location: Star, MS Posts: 4,026	Re: Does this RPM sound right? You should be turning around 2800 at 60 mph with a 3.78 rear, so slightly less with your 3.54. Look for settings on the tach that indicate 4 cyl, 6cyl, 8 cyl.