Hi Y’all, I saw a Utube on Restore and tried it in a 1982 Dasun Diesel with 225,000 miles that was loosing miles per gallon and excessively smoky on startups. The excessive smoky starts ceased and the smoke chnaged from mostly underburned diesel smoke to black burned rich diesel smoke color. Indiacating better compression. So decide to try it in a couple small engines exhibiting low ring performance. One reduced its blue smoke when under maximum load and the other went from requiring 6 pulls on the rope to start before to starting in two pulls with the restore. Has been positive in everything tried. All were poor ring performance issues. I came on the thread to investigate if anyone had experienced any bad consequences. Other than the possibility of plugged oil filter I didn’t see any. I have a
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