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Poly motors?

Discussion in 'The Hokey Ass Message Board' started by C. Montgomery, Feb 7, 2010.

  1. C. Montgomery
    Joined: Dec 18, 2003
    Posts: 1,010

    C. Montgomery
    Member

    I cant search, as im posting from my phone. Can you buy rebuild parts for these motors? What about speed parts? Are they worth messing with? What are the weaknesses/strengths of them? What transmissions bolt up? Thanks.
     
  2. krooser
    Joined: Jul 25, 2004
    Posts: 4,585

    krooser
    Member

    Same blocks as hemis... you can amke a Hemi out of a Dodge, Plyouth or Chrysler with a set set of pistons and heads... great motors as-is... breath pretty good, too.
     
  3. All parts available just expensive as a hemi.
     
  4. pickupman55
    Joined: Aug 31, 2008
    Posts: 258

    pickupman55
    Member

    There are two places in boston that sells poly parts, got most of my stuff there. Andy Bernbaums and Roberts motorparts.
     

  5. pickupman55
    Joined: Aug 31, 2008
    Posts: 258

    pickupman55
    Member

    here's mine
     

    Attached Files:

  6. panic
    Joined: Jan 3, 2004
    Posts: 1,450

    panic

    The most common poly motor (1956-67 "A") is completely unrelated to any hemi engine.
     
  7. barslazyr
    Joined: May 30, 2009
    Posts: 339

    barslazyr
    Member

    You can get adapters to bolt just about any trans to them.
     
  8. C. Montgomery
    Joined: Dec 18, 2003
    Posts: 1,010

    C. Montgomery
    Member

    Anyone else have anything to say?
     
  9. 73RR
    Joined: Jan 29, 2007
    Posts: 6,474

    73RR
    Member

    As hinted to by Panic, you really need to identify exactly which engine you have. There are two distinct poly series and besides the oil, not much interchanges.....


    .
     
  10. C. Montgomery
    Joined: Dec 18, 2003
    Posts: 1,010

    C. Montgomery
    Member

    Just say a 56 chrysler.. I have the hots for a 56 chrysler windsor. Every one of them i find has a 331 poly in it...
     
  11. 73RR
    Joined: Jan 29, 2007
    Posts: 6,474

    73RR
    Member

    Great engine as is, no need to convert to Hemi unless you have the $$$ and no where else to throw it.
    The heads flow well and the intake can be easily modified to accept a later carb. Electronic ignition and a new cam will wake it up (if it is a runner) and a rebuild should include more compression.

    .
     
  12. George
    Joined: Jan 1, 2005
    Posts: 7,335

    George
    Member

    Hemi tech index There is a section on your type of Poly & most tricks for hemi blocks work on your type of poly.
     
  13. sonim38
    Joined: Apr 29, 2007
    Posts: 213

    sonim38
    Member

    what modifications must be made to a poly to make it a poly/hemi??? i feel alot of machining must be first!!
     
  14. George
    Joined: Jan 1, 2005
    Posts: 7,335

    George
    Member

    The "A" poly can't be converted, only the hemi based. On hemi based you change pistons, the whole head assembly, push rods & ex mans.
     

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