Overhauled engine
Discussion in 'Ask An Owner Operator' started by pavrom, May 14, 2019.
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spsauerland Thanks this.
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spyder7723 Thanks this.
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That is why most oil consuming engines were built by shops that used piston packs and never pulled them apart to check the gaps, the better shops buy all the parts separately and assemble each hole personally (which is also what I have done for 30 years and I have never built an oil drinking engine)Bean Jr. Thanks this. -
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Ring seating has nothing to do with proper placement of the rings on the piston. It is about matching the rings to the liner to achieve proper clearance. The break in cycle is about literally wearing the rings and liners to fit each other. Granted with the changes to technology they come out of the box a lot closer fit today than they did 20 years ago, but its still not perfect.
Call it old wives tales all you want but there is a reason every one in performance racing engines breaks them in before taking them to the track. I'll keep building my engines the way nascar does it and not the way Billy bob does it.Last edited: May 15, 2019
spindrift Thanks this. -
spyder7723 Thanks this.
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I keep reading people making similar comments on here even gong so far to say that paccar will no longer produce gliders. Yet when i talk to my local peterbilt about them the response is always "when can we sit down to spec it out".Bean Jr. Thanks this. -
No big loss I guess, we have 3 of their new loaders and they all have similar issues with the emissions systems that their 2007-2009 on highway engines had; inconsistent regens and the resulting derates.
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