Black dawg
Registered User
my 89 3/4 4x burb 6.5 with banks th400 and 3.73 gears. was getting 15-16 with a 700r4 short trips around 4-5 miles with little idiling. now with th400 same trips its getting 12. I didnt expect the mileage to drop that far, any idea what 3.42 would do?