Bob Dobolina: Y'all, y'all, y'all, lies, oil, lies, y'all, bullcrap. The end.
Deucealive75: If I wanted to clean out my engine I would use 4 quarts of 10/30 and 1 quart of cheap trans fluid.
E Lee Kaiser: Havoline is some good stuff. True sleeper oil.
Fun King Fuss: does it work with synthetic oil? that's all I use in my trucks.
Nestor Morales: how good would it be to use this on a turbo motor. i use 6 qts
David O: Why would you use 5w-30 well because of the tighter bearing clearances in todays engines. Like the LS3 in the Camaro or the LS6 in a C5 Z06 for starters. Both which require a synthetic version.
Ryan DeClue: .... Why would you use 5w30? That crap has the viscosity of WATER.
Micah autoserv.: how long do you keep this in you motor
JayzBeerz: it states to replace 1 quart per 5 so that's 1 quart of MMO and 4 quarts of oil.
re faile: Installed junk yard engine in f150 and seems to have stuck ring? Alot of pressure in oil cap. And the engine makes funny squeaking noise, Unless egt valve is disconnected. Hope this Marvels works.
Andy Almeida: My 05 Tacoma has 245k, 6 speed manual gets the carbon cleaned out regularly and still ticks like when I bought it new... MMO and Lucas additives ftw! I recommend starting with 91/93 gas, MMO lowers octane rating.
themanshere74: I might use it before an oil change and drive it 100 easy miles. I am sure it would clean very good. Does it make your engine feel like it has more power if you put it in the gas?
xplayer cortez: USE ATP PRODUCTS TOO THEY SURE WORKS
Chris Freeman: You care so much about your engine, but you use a garbage stp filter and havoline oil. What a tool.
Omar Chisolm: put this stuff down in the spark plug hoes and let sit for 4 hrs. kleans cylinders out wit live smoke show =D
Royal-T Butler: You put all of in? Not one but two of them?
manny6584: i put that stuff in my gas but nothing goes in my oil but oil. and maybe some motor koat :)
manny6584: wow 10w30 is thin to begin with. does the marvel thin it more?
BRUCE LEE: MMO saved my 2.2 engine when it was 9 years old and the dip stick would show DRY after an oil change.
I'm also trained for investigative work. . " Marvel is ONLY _$3.75___ at the local General store here in town "........" let's get every........ little drop....OIL IS EXPENSIVE " !!
Michael Samuels: This stuff works great all I can say.Had a stuck lifter at one point on this engine.And guess what?...Not no more:) realtalk