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Projects 51 Mercury flathead....

Discussion in 'Traditional Hot Rods' started by Chopped 46 Ford, Sep 24, 2013.

  1. Chopped 46 Ford
    Joined: Oct 5, 2009
    Posts: 54

    Chopped 46 Ford

    Going to get my 51 Merc flattie running again. Going to convert everything over to 12v. and change all the fluids. It was running a short time ago, no smoke and sounded great. I was wondering if anybody could throw out some helpful part numbers to get me going a little quicker.
    Need.....Power gen alternator, distributor, coil and wires. Also what type/brand/weight oil, would be best. Its an original motor never been cracked open. Any anitfreeze better than another?
    Any info on keeping the old beast running and swapping to modern electrical will be greatly appreciated.
  2. modelacrazy
    Joined: Feb 24, 2011
    Posts: 104


    Got a Powergen on my avatar, works great so far. 15-40 Rotella shell oil has been fine in the engine. I'm running the stock loadamatic distributor as well with Autolite 216 plugs. Hope this helps
  3. PervertedbyDubs
    Joined: Aug 22, 2013
    Posts: 6


    Kendall makes a flat tappet motor oil called "Titanium" you can get in a variety of weights. We use 20-50 in our flathead. Saves wiping out the cam lobes.

    I hate Fords so I went out and got me a Merc..
  4. FiddyFour
    Joined: Dec 31, 2004
    Posts: 9,008


    rotella oil doesnt have enough zddp any more for flat tappet engine from what i've read...

  5. Groovybaby6
    Joined: Dec 29, 2008
    Posts: 759

    from Denver

    Joined: Jun 2, 2008
    Posts: 455


    Lucas make a good 20/50 hi zinc I run it in my Flat motor it runs good
  7. Doctor Detroit
    Joined: Aug 12, 2010
    Posts: 1,020

    Doctor Detroit

    Contact GMC BUBBA here on the HAMB for a mechanical advance Flathead distributor and 12V Andover coil.

  8. Chopped 46 Ford
    Joined: Oct 5, 2009
    Posts: 54

    Chopped 46 Ford

    From what I've seen the zinc is the important part in the oil. So I'll make sure of that when i change it.
    Already have a distributor and coil from Bubba on the way. Super nice folks there. Answered a million questions.
    Anybody have any thoughts on coolant???
  9. PervertedbyDubs
    Joined: Aug 22, 2013
    Posts: 6



    This is the best stuff, IMHO..

    I hate Fords so I went out and got me a Merc..
  10. Petejoe
    Joined: Nov 27, 2002
    Posts: 11,146

    from Zoar, Ohio

    First thing to do is clean your system.

    A good exchange on what is the best combination for coolants.
    This is all good info here.
  11. if it don't freeze where you're at just use water and water wetter..........
  12. hotrodderhaag
    Joined: Jan 22, 2007
    Posts: 2,129


    the only problem with that kind of oil is, from what the manufacturer told me, is that it is designed to thin out fast so that the high reving race engines can run with less friction...

    i used 15-40 delco diesel oil. it stays thick and keeps good pil pressure even after running for an hour or more. typical flatheads are low pressure so a good thick diesel oil really helps keep the loose tolerance bearings alive
  13. prpmmp
    Joined: Dec 12, 2011
    Posts: 1,080


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