[capev86]

i would suggest something around a 3.42.....perfect compromise between the 3.73 and 3.07/3.08. and tbi will get you good economy too.

my dad's 99 burb 2wd w/ 350 and overdrive gets 22mpg with a 3.42 rear and has plenty of towing power. his previous 87 burb got a best of 18 w/ wimpy 3.08 and didn't lose any mileage with a 3.73 swap. the 3.08 was too soft and the trans was always shift hunting on all these new england hills.