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Re: Restoring Rusty
Quote:
Originally Posted by greg64
Interesting, the driveshaft is only turning 2910 RPM at that road speed. So the torque converter is slipping the difference between 2910 and 3300.
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Well actually I'm not 100% sure on the gears. My truck was originally equipped with 3.42's but when I do the eyeball check with the drive shaft to tire revolution it is a hair over 3 3/4 turns. I had the cover off and did not think to actually read the gear stamping. I'm not pulling the cover again till I need to. The factory tach may not be spot on, either. 
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1977 Chevrolet C/10 Silverado. Step-Side, Factory 454, TH400, 3.73 Posi 12 Bolt.
1975 Chevrolet El Camino. 350, TH400, 3.08 Posi 10 Bolt.
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