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Do Mopar motors have a lot of changes like Fords?

Discussion in 'The Hokey Ass Message Board' started by Frank, May 10, 2008.

  1. Frank
    Joined: Jul 30, 2004
    Posts: 2,325

    Frank
    Member

    Just curious. As I am putting together a Ford 302, I am learning just how many differences there are in things that you need to keep straight. Things like pushrod length depending on the heads, what balancer to use when (28 or 50oz), and little things like that.

    How about Mopar's? Like 318's, 340's, 360's? Can you swap much a**** these motors with out such issues? Do they have changes through out the years you have to watch out for when mixing parts?
     
  2. FOURLUG
    Joined: Feb 3, 2004
    Posts: 112

    FOURLUG
    Member

    Yes from the 273 up to the 360 all interchange until about 1982.

    James
     
  3. plmczy
    Joined: Aug 3, 2001
    Posts: 2,408

    plmczy
    Member

    273,318,340 are all internally balanced. 360's are externally balanced so you have to use and externally balanced torque converter with a 360. do not use and externally balanced converter on a 318,273, or 340, don't ask me how I know,lol. later shawn
     
  4. 1931S/X
    Joined: Apr 5, 2007
    Posts: 667

    1931S/X
    Member
    from nj

    they are pretty simple with swapping parts, a lot of peopel cry about how you cant use the same ****** on a big block and small block, oh and a slant. big deal.
     
  5. twofosho
    Joined: Nov 10, 2005
    Posts: 1,153

    twofosho
    Member

    273s and 318s share motor mounts, the 340s and 360s take a different one on one side (frame brackets are the same).

    72 340s can have, and 73 340s do have cast cranks, and DO require external balancing.

    360s have larger main bearings, and like the cast crank 340s require external balancing (different amount). They also don't take the same oil pan as the other LA motors.

    They all share the same bellhousing pattern.
     
  6. plmczy
    Joined: Aug 3, 2001
    Posts: 2,408

    plmczy
    Member


    Oops sorry about that wrong info about the 340, I've been away from the mopar stuff a little. Sorry, later shawn
     
  7. Brad54
    Joined: Apr 15, 2004
    Posts: 6,022

    Brad54
    Member
    from Atl Ga

    They're almost as interchangeable as Chevys.
    Ford liked to roll out something different about 3 times each model year, didn't they?
    -Brad
     

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