----My 93 suburban is basicly the same set-up as one of these SS 1/2 tons but with a programed 4L80 trans. I yanked the boat anchor and built a 510cu. 570hp. 650lbft. pill with fast injection, GM alu. heads, etc. After some serious tuning it gets 17/18mpg on the road and can pull around 13/14 with an open loaded trailer. Of course, there are diesels out there that will do better, but I dont use it enough for that to matter as I like the thing to much! Kind of fun picking off the occasional 5.0 Muskrat,,,uh, Mustang. Oh,,,did I mention that its Barnharts old tow vehicle?.......Bill S
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02-06-2018, 10:34 PM
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