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Re: Suburban k20 motor
Your only at 3000 rom at 70 in the truck. Which is not bad, and I have had engines last over 100,000 with no issues spinning north of 2500 all the time. A couple I was able to keep track of pasted to nearly 300,000.
My guess is that the K20 Burb is very heavy, and can really take a toll on motors in general. I have seen crate engine wore out at 100,000 because of the weight. Plus you have more drag with the tires.
What kind of crate or rebuild engines were these?
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