Re: 1990 SS 454 C1500
Man, I loved the 91 454SS I had. But I couldn't take the gas mileage so I sold it. Are you sure that truck has an overdrive trans? The 90 model had the 3 speed automatic with 3.73 gears stock and the 91-93 had the 4L80E overdrive trans with 4.10 gears. The conversion to the 4L80E couldn't have been cheap to do with an accompanying controller.
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69 Z28 JL8, #'s match - being restored
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