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Old 04-09-2015, 01:54 PM
390pi 390pi is offline
Registered User
Join Date: Jul 2009
Location: Gardnerville, Nv
Posts: 40
I tried two tanks of this HPR stuff.

At first, thought something else was wrong since the idle was smoother.

Seems like a little more power and quicker to 80mph. (hey, any notice of fractional power increase is apparent in a 240d/automatic)

No decrease in mileage.

Nothing wrong here...
1982 240D auto 152k
1984 380SL 113k
2015 Ram 2500 6.7 Cummins
1985 300DT
1984 190D 5sp Euro
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