I don't know. What I do know is that the gassers shift down, and rev higher, causing the exaust gasses to get much hotter. Transmission also gets a lot hotter. Everything gets much hotter. When I pull hills (Now I'm talking towing here) with a gasser, I can smell the heat, and hear the metal expanding/contracting. Transmission temps reaching 200*+, and that's not pushing it. It's the heat that is the killer. I can't believe GM (or any others) are making a gasser that won't get HOT towing hills. My diesel shifts up pulling the same hills, with the same loads. Transmission temps are around 130* - 140*. No hot smell, etc.. A night & day difference. It will float up the hills, not shift down & rev. Why do you think the choice for big rigs is diesel? Diesels rev less, run cooler, and have way more torque. EXAMPLE: A GM 6.0 has around 350 foot pounds of torque. My 2011 Duramax has 765 foot pounds of torque. That's more than double the torque. A diesel engine will out live a gasser 3 to 4 times. They get better milage than a gasser doing the same job. The fuel cost more now, so that's kind of a wash.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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