Marvel Mystery Oil

**super_stroke** · #1 (**permalink**) 09-09-2007, 11:22 AM

O.k. so I've read a little bit about off road diesel fuel being dyed red and if you use MMO it'll dye your fuel red and get you in trouble if you get your tank dipped. Not true. I've been using MMO for the last month and put a new fuel filter in last week and the fuel was the normal color. And for the first time I got 21mpg. no joke. it only lasted for two tank's or so, but I seriously got 21mpg. comment's, opinion's, critisim?

**Rob** · #2 (**permalink**) 09-09-2007, 11:43 AM

im glad you brought this up. i have thought about using it but wasnt too sure about it. ill have to research a bit before i use it but it sounds like it may be worth it.

Blue01F250 · #3 (**permalink**) 09-09-2007, 11:48 AM

Read this - it didn't seem to do too well...

DIESEL FUEL LUBRICITY ADDITIVES STUDY

owtcast · #4 (**permalink**) 09-09-2007, 12:05 PM

Can you believe the amount of products that actually lower the lubricity of the fuel?

Blue01F250 · #5 (**permalink**) 09-09-2007, 12:48 PM

yah, I saw that was was like wow! I've seen some of those suckers recently touted in here!!

Goose · #6 (**permalink**) 09-09-2007, 12:50 PM

so whatshould we use?

**super_stroke** · #7 (**permalink**) 09-10-2007, 05:52 AM

so far i've only used MMO and diesel kleen. i think i'll use lucas next. maybe. or just straight diesel.

suprane1 · #8 (**permalink**) 09-16-2007, 07:59 PM

Quote:

Originally Posted by GoosedF350

so whatshould we use?

If you read the study, you would see that Opti-Lube Summer Blend has the best lubricity for the cost at 68 cents a tank.

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