Well,
It is a express 3500 van with 5,500 pounds in weight, not necessarily the same category as a Crovette. However, I am not out to win acceleration contests but get good fuel mileage. Would the tranny suffer from such gearing? I am just trying to find out if the higher gearing to 3.43, such as 3.03, would be doable with a compromise in acceleration of it is just not practicable. Was wondering to mayby do 3.43 and experiment around with larger diameter tires...
Last edited by Captain Jojo; 01-31-2011 at 14:28.
2001 Chevy Van 3500 Express, no changes to factory, 6.5TD, 82k miles, USAF van until 77k. 4L80 tranny, 3.73 rear gearing, PMD relcated underneath the bumper.
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