What engine do you have? The 5.43 gears with 20" tires may be to high of a ratio for the engine. I think most 7.50x20 tires were on 1-1/2 ton trucks with 6.17 rear gears.

Mike B smile


Mike Boteler

1956 Chevy 3100 Resto Rod
1952 Willys M38 Army Jeep
1983 Jeep CJ7 Laredo
1984 Jeep CJ7
+++++
Silver Spring, MD