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Marvel Mystery Inverse Oiler?

Dan Lambert

Dan Lambert

Member
Joined
Feb 2, 2016
Messages
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Age
74
Location
San Luis Obispo CA
Hi folks, just joined and have a big restoration project underway with my Dad's 1958 Fleetside shortbed truck!

I found this inverse oiler covered with oil (of all things) attached to the firewall in the engine bay, and I was wondering if anyone here had one installed on their truck? It wasn't attached to the intake manifold, but looked like it had been at one time.

Right now I'm attempting to pull my cluster out to repair the speedometer face, but cannot seem to get it loose. I found another post that recommended disconnecting the oil pressure line first, so I guess I'll try that.

Glad I found this forum.. I will be using it a lot!

Dan
 
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Hi Steve. Will post some photos soon. I sort of inherited the truck from my father who cannot drive anymore. It's such a big project that at first I told him to sell it, but he really wanted it to go to someone in the family. So glad I took if finally.
 
sounds like you have an INVERSE oiler, pretty cool old school technology.
mmo-1959-jpg.504256
 
Well I installed the rebuild kit and it all fit the oiler correctly. I also picked up a fuel hose and fittings to connect the oiler to the intake manifold. I'm amazed that there's a port in the manifold right below the carburetor. Is that stock design, or do you think it was added along with the oiler? Just waiting on the decal and it should be good to go!
 
The manifold parts were stock for vacuum wipers and for attaching testing gauges...
 
Yes ;

IIRC it was 1956 or '57 when the electric wipers came into being .

Over the decades many old work/farm trucks were cobbled up using new and / or older parts so who know what's on your rig .
 
32 (? might be longer) years later and I STILL miss my battered old '55 Chevy tow truck.... :( .
 
vwnate1 said:
Yes ;

IIRC it was 1956 or '57 when the electric wipers came into being .

Over the decades many old work/farm trucks were cobbled up using new and / or older parts so who know what's on your rig .
Click to expand...

Well that would certainly go along with my 58 having electric wipers. I'm still wondering how the washers would have been connected.
 
57 GMC (I don't know about Chevy trucks) had optional electric wipers.

The GMC washers (also optional) were fed from a bag that hung on the driver's side inner fender panel. A hose went between the bag and a "pump" that was pedal operated by the driver. From there back up the firewall and into the cowl in front of the windshield. The hose T'd to two hoses that attached to the chrome pieces with spray heads (sorry, don't know what they are called) that the short shafts that the wiper arms mount to.
 
Now that is classic.. a water bag and a manual foot pump! Thanks Bill!

Well I got the MM oiler all clean and rebuilt, and received a couple of new MM decals from Ricardo in Argentina which look amazing. I discovered a small crack in the reservoir jar which wasn't leaking, but I sealed it with a clear oil/fuel resistant sealer to be certain. Will try to post some pics when I get a chance.
 
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Okay guys, I've finished rebuilding my inverse oiler, and it came out great I think. Not sure I want to put it back into the truck now! The decal looks just like the original that was damaged by oil and neglect.
 

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