I have deleted a few,replaced a bunch of convertors,the only true difference I have seen is when the convertor was rattling around inside itself. The carbureted cars/trucks were hard on cats. Too rich and the raw gas would burn the insulation up that surrounds the guts,then they just rattle around inside of the shell till they break up and plug the muffler with little pieces of high dollar stuff. We tried about every combination you can think of,no mufflers,no convertors,split and run dual exhaust with two convertors.I had eight tail pipes coming out of the bosses Chevy pickup(no mufflers). One 89 Chevy it was headers,2 cats,weed burner exhaust, dumped in front of the rear tires. AS long as the engine is running correctly, we never saw any reason to remove the cat except to make more noise. WE had lifts and a exhaust pipe bender. I miss that bender!
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Today's Featured Article - Talk of the Town: Diesel Vs. Gasoline - by Staff. Another neat discussion from the Tractor Talk Discussion Forum. The discussion started out with the following post: " I am in the market for an older tractor (to be read... cheap). I have been told a diesel holds up better than a gasoline engine as far a wear, tear, neglect and abuse. Since I am looking at older tractors that have probably been through it all, is it better to buy diesel? I do expect to have to do a good bit of work on
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