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I own this car Spazpilot built and this is the last time it had a dyno when he still had it. It sat at a dealer for a month and was bought and drove for a few months in 2018 when I bought it the head was lifting a little probably from the dealer idiots not treating it right. Anyway I got it fixed and 6k miles later it is running strong. I do not ever see any knock unless I forget to turn off the traction control. All cylinders running pressure in the 160's.