2002 Ford F-250 Marvel mystery oil

Tiny
HARLEY3348
  • MEMBER
  • 2002 FORD F-250
  • V8
  • 4WD
  • AUTOMATIC
  • 172,000 MILES
I hear really great things about this product. What are your thoughts about adding it to my 7.3l diesel engine oil and fuel tank.

Thanks
Monday, March 8th, 2010 AT 4:34 PM

1 Reply

Tiny
LOGGER9409
  • MEMBER
  • 27 POSTS
Blue marble oil check into it.

I am no way affiliated with blue marble oil company
but this oil has made me a believer. I have used it in everything even my chainsaw and it doubled my fuel economy in all my 2 cycle engines.

Marvel is ok but it has not really impressed me much.
Engine restore a good product.

Oil is not oil I have found and tested alot of oils and the valvoline all fleet 15 w 40 and has out preformed everything even mobil one. I had a really bad rear main seal in a 351 winsor 1993 ford and I went from a quart every 80 miles to a quart every two weeks with VALVOLINE 15/40 ALL FLEET
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Tuesday, March 9th, 2010 AT 1:34 PM

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