anyone running GM 8.1 v8's?

[Peacock]

Not to mention the gas motor is a LOT quieter and cheaper.

 

[MOE]

The older cummins mechanical motors got great MPG. 89-93s were the best,as the truck is the lightest,and the pump robs the least amount of hp.The 24Vs never got the MPG of the 12Vs although when released they claimed a 5% increase in MPG,which was BS.My 2000 Cummins even when stock got 16 mpg empty highway,and the same in town. Its a 4x4 with 4.10 gearing.At 75 mph it gets 15 mpg.Towing my 10K sunnybrook at 68 mph it gets 10-11 mpg.My 2001 GMC 8.1 gets 14 highway at 75-80 mph 10 in town,and 8-9 towing my 10K sunnybrook. Right now diesel is .80 more a gallon than gasoline.So if Im running highway,the gas motor costs me less than the Cummins as long as both are empty.I realize if i had 3.55 gearing in my Dodge it would get much better highway mpg,but I plow,and tow a lot,and i bought it used,and its what it had.

That's really the info and comparisons I'm after. As I mentioned earlier, I'm mostly considering 8.1's because I really don't put many miles on my 3/4 ton but need something that will tow. As for my 92 with the body going out, don't laugh but this is my dream/plan someday. Find a 50's dodge powerwagon body and fit it on my 92 drivetrain.