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Technical Tri5 starter questions

Discussion in 'The Hokey Ass Message Board' started by lt1tyrell, Mar 24, 2014.

  1. lt1tyrell
    Joined: Sep 7, 2009
    Posts: 87

    lt1tyrell
    Member
    from Canada

    Just wondering what starters will work with my setup, 57 chevy car, stock v8 cast bellhousing, gm goodwrench 350 with 168 tooth flywheel, 4 spd muncie. Can I get away with using a starter from a 97ish chevy half ton with 168 tooth flexplate and mount the starter to the block? Or does it HAVE to be a stock style tri5 starter? Thanks!
     
  2. The easiest approach is to take the nose casting from a bellhousing mount starter and put that nose on your newer starter. Trying to use the block mounted starter will require some modification to the bell housing.
     
  3. lt1tyrell
    Joined: Sep 7, 2009
    Posts: 87

    lt1tyrell
    Member
    from Canada

    Great thanks, so I have not compared any starters yet and I do not have a stock one to use pieces from but what do I need to modify on the stock bellhousing? Just open up the big hole a little more to clear the larger nose of the newer one? I might just do that. I am also considering trying a mini starter.
     
  4. saltflats
    Joined: Aug 14, 2007
    Posts: 10,841

    saltflats
    Member
    from Missouri

    If you usr the mini starter with the exposed starter drive it should fit if you use the ones with the nose cone you my have to modify it.
     

  5. Lobucrod
    Joined: Mar 22, 2006
    Posts: 4,122

    Lobucrod
    Alliance Vendor
    from Texas

    Here is a picture of the correct starter for your application.
    97 starter motor will not fit this front housing. Newer one is a smaller gear reduction starter.
     

    Attached Files:

  6. 57 Chevy with turboglide used a bolt to the block starter and a 168 tooth flywheel. I believe a three bolt 3689 starter meant for a later stick shift 409 or 396 will bolt to your 57 block if yours has the appropriate holes. Buy matching bolts too.
     
  7. In those instances, I've just swapped the nose to a good starter motor(that fits the nose). Everything lines up according to factory design.
     
  8. squirrel
    Joined: Sep 23, 2004
    Posts: 49,293

    squirrel
    Member

    You can see if the 97 starter will fit, it might...or you might need to do some clearancing on it? But the 3 bolt starter will fit. they were used on manual transmission Chevy trucks thru 1972, so they're not hard to find.
     
  9. arkiehotrods
    Joined: Mar 9, 2006
    Posts: 6,459

    arkiehotrods
    ALLIANCE MEMBER

    What he said. I have Muncie behind 350 in my Nomad, went to local parts house to get starter, they had one in stock, and I was on my way.
     
  10. need louvers ?
    Joined: Nov 20, 2008
    Posts: 12,906

    need louvers ?
    Member

    This is a bit off topic, but kinda worth the warning. If you trundle on down to the parts store and purchase the new version of the bell mount starter, beware of some extra work coming your way. The versions that are made and or rebuilt in Mexico that I have seen feature a new snout casting that although it looks like the original stuff out of the fifties and sixties, is really made with all the precision that Mexican parts are noted for world wide! The new casting is roughly 1/4" larger on all sides of the bolt flange and will not roll far enough up against the block to thread the bolts in. That and the bolt holes are drilled in a sort of random pattern approximating the original. By grinding about 3/16" off the block side of the snout and drilling the second bolt hole up two sizes over, oh, and chasing the tapped upper hole so that it actually could receive a bolt I finally got the "new" starter in my customer's '64 Chevy truck...
     

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