Go Back   The Ford Barn > General Discussion > Early V8 (1932-53)

Sponsored Links (Register now to hide all advertisements)

Reply
 
Thread Tools Display Modes
Old 10-25-2024, 03:08 PM   #1
1936 ford pickup
Senior Member
 
Join Date: Feb 2015
Posts: 221
Default Marvel mystery oil....

I just purchased a Quart container size of Marvel Mystery Oil.

I use it in my '36 Ford pickup mixed withy my gasoline. I use 4 oz. of Marvel Mystery Oil per 10 gallons of gasoline (per their recommendation).

Now I noticed on this container that it says you can use up to 20% of Marvel Mystery Oil in your engine.

That would mean 1 Quart of Marvel Mystery Oil and 4 Quarts of oil.

Is anyone doing this to their flathead V8's.

Just curious....

THANKS, Bruce in California
1936 ford pickup is offline   Reply With Quote
Old 10-25-2024, 03:43 PM   #2
nelsb01
Senior Member
 
nelsb01's Avatar
 
Join Date: May 2010
Location: Up North
Posts: 777
Default Re: Marvel mystery oil....

For what its worth...........I poured some Marvel Mystery Oil down the spark plug holes before I fired up my flathead engine the first time. I have not added it to my gas or crankcase.
nelsb01 is offline   Reply With Quote
Sponsored Links (Register now to hide all advertisements)
Old 10-25-2024, 05:26 PM   #3
flatford8
Senior Member
 
flatford8's Avatar
 
Join Date: Jan 2012
Location: Lyman,ME.
Posts: 2,890
Default Re: Marvel mystery oil....

I used to put it in my gas before non-ethanol became available. I’ve used it in the cylinders of motors that were going to sit for awhile. I haven’t used it in the crankcase. Some people claim it’s snake oil because the lack of scientific proof it does anything………if you feel better using it, that’s all the all the proof you need………Mark
__________________
I'm thinkin' about crankin'
My ragged ol' truck up
and haulin' myself into town.
Billy Joe Shaver…RIP
flatford8 is offline   Reply With Quote
Old 10-25-2024, 05:32 PM   #4
19Fordy
Senior Member
 
19Fordy's Avatar
 
Join Date: May 2010
Location: Coral Springs FL
Posts: 11,606
Default Re: Marvel mystery oil....

Here's a little info. on benefits of MMM.
https://roadsumo.com/does-marvel-mystery-oil-work/
19Fordy is offline   Reply With Quote
Old 10-25-2024, 05:39 PM   #5
FrankWest
Senior Member
 
FrankWest's Avatar
 
Join Date: Sep 2013
Posts: 3,157
Default Re: Marvel mystery oil....

I love the stuff.
I think it contains Naphtha which actually dissolves cacked on oil. Oil time watchmakers used Naphtha to clean pocket watches.
FrankWest is offline   Reply With Quote
Old 10-25-2024, 06:25 PM   #6
Jeff/Illinois
Senior Member
 
Jeff/Illinois's Avatar
 
Join Date: May 2010
Posts: 2,973
Default Re: Marvel mystery oil....

Sponsored Links (Register now to hide all advertisements)
I'm with Frank I became a firm believer in MMO and use it in all the old cars.

I was having sticking valve issues on the Flathead that stuff cured it RIGHT now and never had another stuck valve.

I just glug it into the gas you can't really over do it.

You can run it in your crankcase I never have but it will clean things up in there pretty nicely from friends that have done this.
Jeff/Illinois is offline   Reply With Quote
Old 10-25-2024, 07:50 PM   #7
ndnchf
Senior Member
 
ndnchf's Avatar
 
Join Date: May 2012
Location: Fredericksburg, Virginia
Posts: 1,088
Default Re: Marvel mystery oil....

Another often overlooked benefit is that it helps inhibit gas tank corrosion. I added to my gas regularly.
ndnchf is offline   Reply With Quote
Old 10-25-2024, 11:29 PM   #8
GB SISSON
Senior Member
 
GB SISSON's Avatar
 
Join Date: Jan 2014
Location: Orcas Island Washington
Posts: 5,881
Default Re: Marvel mystery oil....

I'n a big fan of using it in my fuel for flatheads. I have run it in two different crankcases in the past few years. Both were trucks sitting outside a long time with some stuck rings and valves, but after a few months and some hard driving they both have good and even compression. On persistent valve sticking on flatheads, dribbling mmo down the carb of a running engine has never failed to remedy this for me. I'm a believer.
__________________
Owner/Operator of 'Jailbar Ranch' on the side of Mt. Pickett. Current stable consists of 1946 1/2 ton pickup turned woodie wagon with FH V8, 1946 Tonner Pickup with 226 H six, 1979 Toyota landcruiser wagon, now wearing 1947 Ford Jailbar sheet metal. 'Rusty ol' floorboards, hot on their feet' (Alan Jackson)
GB SISSON is offline   Reply With Quote
Old 10-26-2024, 02:54 AM   #9
Bill OH
Senior Member
 
Join Date: May 2010
Posts: 453
Default Re: Marvel mystery oil....

I run a 12oz can into a full tank of gas and like amount in the crankcase during summer and almost a quart into the crank case in winter (below 25 degrees). MMO will free up sticking valves and cleans the crankcase. Good stuff - works well.
Bill OH is offline   Reply With Quote
Old 10-26-2024, 03:28 AM   #10
tubman
Senior Member
 
tubman's Avatar
 
Join Date: Dec 2013
Location: Minnesota, Florida Keys
Posts: 11,639
Default Re: Marvel mystery oil....

There are two "Snake Oil" products I believe in; Seafoam and Marvel Mystery Oil. I have been using both so long, I'd probably continue doing so, even if they were proven to be totally useless (which I doubt).

It smells good, too.
tubman is offline   Reply With Quote
Old 10-26-2024, 06:02 AM   #11
Jack E/NJ
Senior Member
 
Jack E/NJ's Avatar
 
Join Date: May 2010
Posts: 2,260
Default Re: Marvel mystery oil....

Balanced & complex, this marvelous mysterious red is harmonious. Even elegant. With a clear deep rich garnet color, a pleasant delicate bouquet and a curious lingering finish on the palate when siphoned. It pairs quite well with just about any gasoline and oil.
Jack E/NJ is offline   Reply With Quote
Old 10-26-2024, 06:39 AM   #12
joe 1950
Senior Member
 
joe 1950's Avatar
 
Join Date: Mar 2013
Location: Green Bay Wi
Posts: 417
Default Re: Marvel mystery oil....

i’ve used mmo for years i couldn’t believe how much smoother my 50 flat head ran just after 3 tanks had to re adjust the carb idle and mixture another great product is Rislone that’s been around since the thirty’s it’s like adding detergent to your washing machine
joe 1950 is offline   Reply With Quote
Old 10-26-2024, 06:53 AM   #13
dajo
Junior Member
 
Join Date: Sep 2024
Location: Central Indiana
Posts: 22
Default Re: Marvel mystery oil....

In an NTSB post aircraft accident investigation published in 2003, it was reported that Marvel Mystery Oil was composed of 74 percent mineral oil, 25 percent stoddard solvent, and 1 percent lard.
In case you guys think this is a negative post.
I use it in my flathead.
__________________
1940 Standard Fordor
dajo is offline   Reply With Quote
Old 10-26-2024, 07:49 AM   #14
GB SISSON
Senior Member
 
GB SISSON's Avatar
 
Join Date: Jan 2014
Location: Orcas Island Washington
Posts: 5,881
Default Re: Marvel mystery oil....

Quote:
Originally Posted by Jack E/NJ View Post
Balanced & complex, this marvelous mysterious red is harmonious. Even elegant. With a clear deep rich garnet color, a pleasant delicate bouquet and a curious lingering finish on the palate when siphoned. It pairs quite well with just about any gasoline and oil.
Now that's really funny!
__________________
Owner/Operator of 'Jailbar Ranch' on the side of Mt. Pickett. Current stable consists of 1946 1/2 ton pickup turned woodie wagon with FH V8, 1946 Tonner Pickup with 226 H six, 1979 Toyota landcruiser wagon, now wearing 1947 Ford Jailbar sheet metal. 'Rusty ol' floorboards, hot on their feet' (Alan Jackson)
GB SISSON is offline   Reply With Quote
Old 10-26-2024, 09:24 AM   #15
Tim Ayers
Senior Member
 
Join Date: May 2010
Location: NJ
Posts: 6,921
Default Re: Marvel mystery oil....

Quote:
Originally Posted by GB SISSON View Post
Now that's really funny!
X2. Agreed! Made me laugh
Tim Ayers is offline   Reply With Quote
Old 10-26-2024, 09:45 AM   #16
Bob/Pa
Senior Member
 
Bob/Pa's Avatar
 
Join Date: May 2010
Location: Oakmont, Pa (Longwood)
Posts: 308
Default Re: Marvel mystery oil....

Ditto on the Seafoam. been using it for lots of years.
Bob/Pa is offline   Reply With Quote
Old 10-26-2024, 11:33 AM   #17
Jeff/Illinois
Senior Member
 
Jeff/Illinois's Avatar
 
Join Date: May 2010
Posts: 2,973
Default Re: Marvel mystery oil....

36ford pickup... I forgot to add that the flathead we use MMO in,,,, is our '36 Ford Pickup!! It has a 59AB flattie.


Owner tested 'dog' approved like the Subaru commercials.... and we have a Golden Retriever who loves truck rides
Jeff/Illinois is offline   Reply With Quote
Old 10-26-2024, 02:21 PM   #18
1957monarchtpc
Junior Member
 
1957monarchtpc's Avatar
 
Join Date: Oct 2024
Posts: 18
Default Re: Marvel mystery oil....

Gotz some MMO - haven’t used it yet; however, the Flat Four will no doubt benefit from an injection!!!! ��
1957monarchtpc is offline   Reply With Quote
Old 10-26-2024, 04:19 PM   #19
V8guy
Member
 
V8guy's Avatar
 
Join Date: Sep 2013
Location: Milwaukee Wi
Posts: 91
Default Re: Marvel mystery oil....

I run a crab dist. and as the ignition points today do not have the bushing in the pivot hole I soak the fiber movable points in MMO over night then clean the contacts with alcohol also soak the wooly worm that goes in the shaft to lube the front bushing cant say if this helps but have not had any dist. issues

Mike
V8guy is offline   Reply With Quote
Reply


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Sponsored Links (Register now to hide all advertisements)


All times are GMT -5. The time now is 02:11 PM.