Originally Posted by
6.5 Detroit Diesel
yea, i have seen a few chev conversions and looks like everything went in nicely.
it will be interesting to see how the 5.9 will compare to the 6.5
I think you'll be very happy with the 5.9. It's a totally different animal to the 6.5. It's a long stroke engine with a lot more power at lower rpm's. With my 6.2, I was constantly shifting and having the rpm's reved up with every hill while towing a load. With the 5.9, I just leave it overdrive with plenty of throttle to spare. The only thing that is not quite as good with the cummins is I don't quite get the fuel economy on the highway. My 6.2 would constantly deliver 30 mpg but so far, I'm getting mid 20's with the cummins.
1990 ¾ ton 4x4 Chevy Suburban
-Cummins Diesel - 12 valve - factory rebuilt
-6 speed bullet proof manual transmission - NV5600
-Gear Vendors Overdrive
-Upgraded Holset HX-35 turbo
-NP205 iron transfer case
-3.73 gears
1982 ½ ton Chevy Suburban
-6.2L diesel - high nickle crack free 1982 block
-Stans headers
-Ported heads
-Timing gear
-4 speed automatic
-3.08 gears
-30 mpg on freeway
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