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So since the price diverged from #2 by 20 cents or so, I have used 2 tanks of regular diesel. My rock and roll at idle has essentially disappeared. It started when I first started using HPR now that I think about it...hopefully after I reseal the delivery valves, I'll have no rock and roll with HPR.
The car feels much more peppy on #2 as well. hmmm...
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Garage:
2017 Chevy Colorado Diesel (nanny state emissions)
2005 Volvo S40 T5 AWD, 77k
1987 Mercedes-Benz 300D turbodiesel, 4 sp auto, 156k - 28.7 mpg
1996 Tracker 4x4, 2 door, 16v, 3 sp auto. 113k - 28.6 mpg
WARNING: this post may contain dangerous free thinking.
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