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United Kingdom, Belfast
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724 Review
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Review on Enhance Your Engine'S Performance With Rislone Hy-Per Lube HPL201 - 32 Oz,1 Quart by Robert Jackson

Revainrating 5 out of 5

Quieted my 7.3L good for me

2001 F250 7.3L diesel, 245k miles.First I used Rislone engine oil treatment, drove 200 miles, changed the oil.I added half a bottle of this on oil fill (15 quarts).

img 1 attached to Enhance Your Engine'S Performance With Rislone Hy-Per Lube HPL201 - 32 Oz,1 Quart review by Robert Jackson

I’ve had 2 neighbors comment on how much quieter my truck is now.

Pros
  • I have noticed a slight loss in gas mileages because Hy-Per Lube is a thick viscosity oil.
Cons
  • No sub for full synthetic regularly changed.