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I had a Chevy with Granny 1st gear. It came with 30" tires and 1st gear was pretty "useless" with them. I switched to 33" tires and 1st gear became useable and 2nd gear was to high to start off in. My chevy had a 6.32:1 first gear and 3.73 rear end, assuming your gears are similar you canexpect similar results depending on what size tires you are starting with.
TOM85CJ7
1985 CJ7 4.2L, T-176, Dana 300, 2.5" lift, 32"BFG MT, Durabak On-Board Air
TOM85CJ7
1985 CJ7 4.2L, T-176, Dana 300, 2.5" lift, 32"BFG MT, Durabak On-Board Air
