2004 3/4 ton Suburban with the Big Block 8.1
Hi Folks, Some of you might remember about a year and a half ago, I was contemplating buying the Suburban in my subject line. Well I've got it and while I like the vehicle, I've come to unders...
Forum Discussion
your not going to get much benefit in gas milage by going from 8.1 to 6.0 engine...about 1 mpg difference. You may gain minimal mpg improvement by going with 3.73 R&P vs 4.10. Doubtful a older 3/4 ton suburban will bring more than book value.
