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Gray Marine Phantom 6 115hp engine

Discussion in 'The Hokey Ass Message Board' started by stainlesssteelrat, Jul 2, 2012.

  1. stainlesssteelrat
    Joined: Nov 23, 2010
    Posts: 583

    stainlesssteelrat
    Member
    from ms

    saw it hiding in the back of a open car port at a estate sale..

    they sold it to me for $300.

    yea.. i got another gray.

    no clue what to do with it.. might just use it for my twin cockpit garwood.

    or.. build a roadster around it.. if i can get her to spin the right way
    and get a trany that'd bolt up.. yea she's running from the front..
    so i'd have to get the automotive parts for he..(when i figure out what she is). and yea she runs.
    and those carbs are unique as all hell..


    anyone got any info on this sucker.. you all helped out quite a bit on the last one.
     

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  2. RichFox
    Joined: Dec 3, 2006
    Posts: 10,020

    RichFox
    Member Emeritus

    I thought they were Continental engines?
     
  3. Hnstray
    Joined: Aug 23, 2009
    Posts: 12,355

    Hnstray
    ALLIANCE MEMBER
    from Quincy, IL

    Hard to tell with all the marine accessories........but could be Chrysler or Hercules. A buddy of mine is in to old wood boats and he has had quite a few with Hercules engines.

    I'll try to show him the pics and see if he knows.....

    Ray
     
    Last edited: Jul 11, 2021
  4. MrMike
    Joined: May 21, 2010
    Posts: 139

    MrMike
    ALLIANCE MEMBER

    The Gray marine spec sheet I have lists a dual carb six as a model 118 with 118 horsepower @ 3600 rpm and also claims they cast their own blocks!
     

  5. captainjunk#2
    Joined: Mar 13, 2008
    Posts: 4,420

    captainjunk#2
    Member

    would be a cool speedster engine
     
  6. stainlesssteelrat
    Joined: Nov 23, 2010
    Posts: 583

    stainlesssteelrat
    Member
    from ms

    it's unique as all hell. i'dlike to keep using the carbs , i might be able to make my own intake. same with the exaust.

    anyone here use a updraft setup before.. or heard of it on a rod?
     
  7. Balls Out Garage
    Joined: Dec 8, 2008
    Posts: 107

    Balls Out Garage
    Member
    from Arkansas

    All 6 cylinder Grays were Continental based. They're pretty bulletproof. I've got the single carb version of that engine (88 hp) in the garage right now. Got any pictures of the Garwood?
     
  8. stainlesssteelrat
    Joined: Nov 23, 2010
    Posts: 583

    stainlesssteelrat
    Member
    from ms

    <HR style="BACKGROUND-COLOR: #e5e5e5; COLOR: #e5e5e5" SIZE=1> <!-- / icon and title --><!-- message -->
    16Ft 1934 GarWood this is how i got her.

    . she's mid restoration now, i've a boat builder friend helping me.
     

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  9. put that sucka into a Model T chassis..add a seat and a steering wheel,....
     
  10. Checkerwagon
    Joined: Jul 30, 2007
    Posts: 449

    Checkerwagon
    Member

    I hesitate to admit this to our crowd of misfits but... I've got 30 or so years of experience with "wet" hot rods. Feel free to pm me if I can be of service or if you have any questions about their construction/resto concerns.


    Dale
    Cleveland OH
     
  11. Ole don
    Joined: Dec 16, 2005
    Posts: 2,915

    Ole don
    Member

    I would think that the power being taken off the "wrong" end, it would be difficult to run that engine in a car. Now if the intake/exhaust would fit a Chrysler six, - - - - -
     
  12. noboD
    Joined: Jan 29, 2004
    Posts: 8,458

    noboD
    Member

    Is the intake/exhaust manifold part of the head? I think I'd clean it up, paint it, and sit and look at it. It's pretty god looking.
     
  13. Piper106
    Joined: Jul 29, 2006
    Posts: 126

    Piper106
    Member

    +2 on being Continental based. Gray for many years was a division of Continental.

    Piper106
     
  14. Think front wheel drive...Use a CJ5 dana and independant or mini van rear axle... Possibilities
     
  15. snaptwo
    Joined: Apr 25, 2011
    Posts: 696

    snaptwo
    Member

    Kaiser/Fraser used a continental 6 flatty quite like but set up for rear wheel drive.some were adapted to GM hydros.
     
  16. choptop40
    Joined: Dec 23, 2009
    Posts: 5,114

    choptop40
    Member

    cool cool daddio, love this crew, hell find a bridgeport and go bonkers
     
  17. JohnEvans
    Joined: Apr 13, 2008
    Posts: 4,883

    JohnEvans
    Member
    from Phoenix AZ

    Post casting #s off block and head ,that will tell who made it.
     
  18. stainlesssteelrat
    Joined: Nov 23, 2010
    Posts: 583

    stainlesssteelrat
    Member
    from ms

    continental .

    perhaps a olds tornado frw set up . hhm
     
  19. Hnstray
    Joined: Aug 23, 2009
    Posts: 12,355

    Hnstray
    ALLIANCE MEMBER
    from Quincy, IL

    What's with all this FWD references? If this is a Continental engine, I"ll bet dollars to donuts it's based on the same block, and likely crankshaft, that their automotive products use. That being the case, any of several bell housings from automotive applications will permit normal rear drive configuration.

    The most common vehicles that come to mind that used Continentals are the Kaiser/Frazer/Willys Jeep products and Checker cabs, though there others.


    Ray
     
  20. 58custom
    Joined: Jan 1, 2009
    Posts: 398

    58custom
    Member

    Can you make a new flywheel and hook a trans to that end? Will the rotation work OK with that?

    Fine, fine looking engine. I'd run the carbs.
     
  21. stainlesssteelrat
    Joined: Nov 23, 2010
    Posts: 583

    stainlesssteelrat
    Member
    from ms

    you are right..

    gotta hunt a cam, a flywheel, and a bell housing..

    perhaps a indy style streamliner..
    i've got a shortned banjo rearend .. could work out..
     
  22. 3window31
    Joined: Jun 8, 2013
    Posts: 75

    3window31
    Member
    from AZ

    I have a engine just like the OP. Has anyone made one work in a old car? The exhaust is water cooled. I think the intake could be cut away from the exhaust and then make some headers.
     
  23. Stainlesssteelrat,
    What are thr torque numbers on it do you l know? Is it all done at extremely low RPM?
    it is a neat looking engine for sure.
     
  24. Hnstray
    Joined: Aug 23, 2009
    Posts: 12,355

    Hnstray
    ALLIANCE MEMBER
    from Quincy, IL

    @stainlesssteelrat

    Depending on whether this was used in a single or twin configuration, there is a good chance you will find it already turns the correct rotation for automotive use. When a standard rotation engine is turned end for end, as in marine applications, it’s still rotating clockwise from the original front, now where the prop shaft connects, and the flywheel end ‘seems’ to be counterclockwise. Phew, I know this sounds confusing, but just go to the prop drive end and determine which way it rotates

    If it was in a twin installation, one of the two typically does have reverse rotation, but you still have a 50% chance it’s the rotation you’ll want.

    Ray
     

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