Re: Restoring Rusty
At 65 MPH with a GPS My 454 is turning 3300 RPM (factory tach). I have 3.73's with 275/60's (28 inch dia.). Just humming along hehe.
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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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