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Marvel Mystery Oil Actually Works! #2889387
02/16/21 08:27 PM
02/16/21 08:27 PM
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NW New Jersey
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So I had a noisy lifter that would come and go. flame It ticked about 90 percent of the time and I figured a lifter or even a cam and lifter job was in order. What the hell I said, let me try some of this snake oil stuff, right? Even the name, "Marvel Mystery Oil" can be a synonym for Snake Oil but behold, I dumped a quart into my motor and like magic, the tick went away after 15 minutes. shock I let the motor cool down, then restarted and no tick. I let the motor Idle for close to an hour with periodic romps on the pedal and still no tick. This stuff has been around forever and I can't believe I didn't try it sooner. I am now a believer. punkrocka

Last edited by RSI700VIPER; 02/16/21 08:29 PM.

1970 Superbird 440 Six BBL, 4-Speed, Dana, FJ5
1969 Daytona Charger 440 4-Speed, Dana, EV2
1971 340 Challenger Conv. Flemington Speedway Pace Car, FC7
1970 340 Six Pack Callenger T/A 4-speed T8 Tan
1971 340 Challenger RT Formal Roof, EV2 w/ V2 Stripe & Orange Houndstooth
1969 Talladega Torino, 428CJ
1969 Gurney Special Cyclone Spoiler II, 351 Cleveland




"Id rather have a bottle in front of me than a frontal lobotomy" Ben Franklin 1755
Re: Marvel Mystery Oil Actually Works! [Re: RSI700VIPER] #2889396
02/16/21 08:39 PM
02/16/21 08:39 PM
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PINE VALLEY
Ray S Offline
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I put a quart in every 20 gallons of gas, and one per 7 quarts of 20-50 in my 413
1971 pistons and intake now shine

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Re: Marvel Mystery Oil Actually Works! [Re: RSI700VIPER] #2889416
02/16/21 09:04 PM
02/16/21 09:04 PM
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Central Pa
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Originally Posted by RSI700VIPER
So I had a noisy lifter that would come and go. flame It ticked about 90 percent of the time and I figured a lifter or even a cam and lifter job was in order. What the hell I said, let me try some of this snake oil stuff, right? Even the name, "Marvel Mystery Oil" can be a synonym for Snake Oil but behold, I dumped a quart into my motor and like magic, the tick went away after 15 minutes. shock I let the motor cool down, then restarted and no tick. I let the motor Idle for close to an hour with periodic romps on the pedal and still no tick. This stuff has been around forever and I can't believe I didn't try it sooner. I am now a believer. punkrocka


Some more information please? Vehicle? Drivetrain?

Re: Marvel Mystery Oil Actually Works! [Re: moparjim79] #2889448
02/16/21 10:20 PM
02/16/21 10:20 PM
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massachusetts U.S.A.
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yes , and what oil and filter brands and oil weights were you using beforehand ? drive what are oil change time and mileage intervals . IE , it's only my summer toy car , and the oil + filter is 4 years old because it's only got 2,ooo miles on it . panic

Re: Marvel Mystery Oil Actually Works! [Re: 1969ronnie] #2889481
02/17/21 12:09 AM
02/17/21 12:09 AM
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NW New Jersey
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Originally Posted by 1969ronnie
yes , and what oil and filter brands and oil weights were you using beforehand ? drive what are oil change time and mileage intervals . IE , it's only my summer toy car , and the oil + filter is 4 years old because it's only got 2,ooo miles on it . panic

1971 426 Hemi, 10W-40 Brad Penn motor oil, WIX filter, and yes three season toy like all my cars. What is your point Ron? Regardless if I drive a car 500 miles or 5000 miles per year, I had a sticky lifter and MMO apparently fixed the problem. Saved me a weekend of work and a few hundred dollars of parts,


1970 Superbird 440 Six BBL, 4-Speed, Dana, FJ5
1969 Daytona Charger 440 4-Speed, Dana, EV2
1971 340 Challenger Conv. Flemington Speedway Pace Car, FC7
1970 340 Six Pack Callenger T/A 4-speed T8 Tan
1971 340 Challenger RT Formal Roof, EV2 w/ V2 Stripe & Orange Houndstooth
1969 Talladega Torino, 428CJ
1969 Gurney Special Cyclone Spoiler II, 351 Cleveland




"Id rather have a bottle in front of me than a frontal lobotomy" Ben Franklin 1755
Re: Marvel Mystery Oil Actually Works! [Re: RSI700VIPER] #2889503
02/17/21 04:02 AM
02/17/21 04:02 AM
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Keizer, Oregon U.S.A.
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elmor353 Offline
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My dad first introduced me to Marvel Mystery Oil about 1959. He had been using it for years. I've used it in my cars for decades. It's really pretty amazing stuff, smells nice too! lol

Re: Marvel Mystery Oil Actually Works! [Re: elmor353] #2889507
02/17/21 05:29 AM
02/17/21 05:29 AM
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East Aurora (Buffalo) NY
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My grandfather had a small can of it on his workbench. When he passed away I cleaned out his little work area and grabbed it. I usually use it on small motors on RC and scale trains. I haven't tried it on any automotive stuff. I'll keep it in mind.


68 Road Runner (383/4speed, post car w/decor pkg) - Major Project
69 Road Runner w/472 Hemi & 4 speed.
70 Challenger R/T SE EF8 w/ V9J, U - A32 - Major Project
2023 Ford Mach 1
Re: Marvel Mystery Oil Actually Works! [Re: RSI700VIPER] #2889521
02/17/21 08:53 AM
02/17/21 08:53 AM
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Oregon
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I worked at an American Motors / Jeep dealership in the mid-70's when I got out of the Navy. One day I watched a mechanic pour Marvel Mystery Oil into a running Rambler 6 while the engine was connected to the diagnostic scope. Within seconds the engine was running a lot better and was verified on the diagnostic scope. No more sticking valves and periodic mis-fire.

Re: Marvel Mystery Oil Actually Works! [Re: RSI700VIPER] #2889532
02/17/21 09:37 AM
02/17/21 09:37 AM
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USA
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In 1974 I started working in summer at a coal cleaning plant on the maintenance crew.
The compressed air lines of the old plant had a lot of water and rust.
I was told:
“never use one of these Ingersol Rand air impact guns without first squirting Marvel Mystery Oil in the air quick connector.”
It worked “Marvelously” for that.

Re: Marvel Mystery Oil Actually Works! [Re: 360view] #2889570
02/17/21 11:15 AM
02/17/21 11:15 AM
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Lee Co. Fla.
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I use it in my air tools all the time.Great stuff.Also use it for penetrating oil.Did I say it's great stuff.

Re: Marvel Mystery Oil Actually Works! [Re: 360view] #2889575
02/17/21 11:24 AM
02/17/21 11:24 AM
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Best 7 bucks I ever spent. Think I'm going to add some to my other cars as a preventative measure.


1970 Superbird 440 Six BBL, 4-Speed, Dana, FJ5
1969 Daytona Charger 440 4-Speed, Dana, EV2
1971 340 Challenger Conv. Flemington Speedway Pace Car, FC7
1970 340 Six Pack Callenger T/A 4-speed T8 Tan
1971 340 Challenger RT Formal Roof, EV2 w/ V2 Stripe & Orange Houndstooth
1969 Talladega Torino, 428CJ
1969 Gurney Special Cyclone Spoiler II, 351 Cleveland




"Id rather have a bottle in front of me than a frontal lobotomy" Ben Franklin 1755
Re: Marvel Mystery Oil Actually Works! [Re: 5carguy] #2889576
02/17/21 11:24 AM
02/17/21 11:24 AM
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We had a Farmall M tractor that used oil and figured the rings were stuck. Ran some Marvel through it and quit using oil. Stuff is pretty amazing

Re: Marvel Mystery Oil Actually Works! [Re: Ray S] #2889642
02/17/21 02:41 PM
02/17/21 02:41 PM
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Florida
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Originally Posted by Ray S
I put a quart in every 20 gallons of gas


Never heard of using it in the gas tank, no issues gumming things up?

Re: Marvel Mystery Oil Actually Works! [Re: BDW] #2889653
02/17/21 03:04 PM
02/17/21 03:04 PM
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i put marvel mystery oil all my cars just a couple of cap fulls just so the the new gas dont eat the rubber and in helps the seals in the carb.i own a 69 runner 72 new port and 68 imperial even in my new cars.

Re: Marvel Mystery Oil Actually Works! [Re: ricks_RR] #2889695
02/17/21 04:46 PM
02/17/21 04:46 PM
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in a cattle trailer down by th...
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Stuff is pretty much just basic old ATF.


"Follow me the wise man said, but he walked behind"


'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost coming soon!
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
Re: Marvel Mystery Oil Actually Works! [Re: Guitar Jones] #2889718
02/17/21 06:21 PM
02/17/21 06:21 PM
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Yeah, I think this was discussed some time back here, and the consensus was something like ATF & a possible solvent or something.

I recall about 20 years ago buying a '58 Plymouth - a warehouse find - that smoked enough (oil) to kill every mosquito in the County. I mean, bad.
My buddy, who's actually quite the wrench, old racer, and collector, did an oil change with a bunch of MMO in the mix.
Ran the thing for awhile, and it quit smoking. I drove the car around a bit afterward because I couldn't believe it.
I'm still amazed by that.

Re: Marvel Mystery Oil Actually Works! [Re: BDW] #2889774
02/17/21 08:49 PM
02/17/21 08:49 PM
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Ray S Offline
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No, as another said it helps protect rubber parts with fine mineral oil - search for an MSDS sheet on it we see it's basically oil, mineral spirits (https://en.wikipedia.org/wiki/White_spirit) and naptha.
https://www.marvelmysteryoil.com/media/1256/marvel-mystery-oil.pdf

I wouldn't want ATF on non-trans rubber seals, but it also has fine solvents and cleans hands great.

Rick Walker Carbs assembles their rebuilds with it and recommends the quart per 20 gal for old motorhomes and trucks.
https://www.facebook.com/RonEsauRac...work-all-over-the-world/434184586659940/

Re: Marvel Mystery Oil Actually Works! [Re: RSI700VIPER] #2889775
02/17/21 08:51 PM
02/17/21 08:51 PM
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Originally Posted by RSI700VIPER
Best 7 bucks I ever spent. Think I'm going to add some to my other cars as a preventative measure.

$14 / gal at Wallymart

Re: Marvel Mystery Oil Actually Works! [Re: Guitar Jones] #2889823
02/17/21 09:52 PM
02/17/21 09:52 PM
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I have had the same result as the OP getting lifters to quiet down or rings to seal again using a quart of ATF. Pour it in the crankcase for a noisy lifter, or squirt a little in each spark plug hole on an engine that has not been run for a while. One of the first "tricks" I was taught when I went to work at a shop many moons ago.

Re: Marvel Mystery Oil Actually Works! [Re: mgoblue9798] #2889832
02/17/21 10:08 PM
02/17/21 10:08 PM
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Well considering ATF is about the same price as MMO, I'm going with the cool label and great smell!


1970 Superbird 440 Six BBL, 4-Speed, Dana, FJ5
1969 Daytona Charger 440 4-Speed, Dana, EV2
1971 340 Challenger Conv. Flemington Speedway Pace Car, FC7
1970 340 Six Pack Callenger T/A 4-speed T8 Tan
1971 340 Challenger RT Formal Roof, EV2 w/ V2 Stripe & Orange Houndstooth
1969 Talladega Torino, 428CJ
1969 Gurney Special Cyclone Spoiler II, 351 Cleveland




"Id rather have a bottle in front of me than a frontal lobotomy" Ben Franklin 1755
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