I would just install a GM crate motor part # 12568758. Has a 36month/100,000mile warranty. I'm sure your mpg's and power will improve because its a new motor and your used to a engine with over 220,000 miles on it. After break-in use synthetic oils, good exhaust and intake.
rebuild 350V8 or convert to diesel?
I have a 1993 K1500 Suburban with a high mileage (220,000) 350V8. The old truck is in great condition for itsage, but I realistically expect to swap or rebuild this engine in a few years;nothing lasts forever, but with the 13mpg mileage I get now with the gas engine,I was considering installing/converting to a diesel engine instead. I know this will be more work and moreexpense to convert over, but was wondering if improved fuel economy would beworth the trouble? Any suggestions as towhat engine (and or transmission) I need to be on the look-out for to make theswap as pain free as possible when the time comes? Or should I just trade for a good used dieselpickup or SUV?
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