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700R4 and a 235 Chevy Inline 6

Discussion in 'The Hokey Ass Message Board' started by Westerman, Aug 6, 2010.

  1. Westerman
    Joined: May 11, 2010
    Posts: 152

    Westerman
    Member
    from Cincinnati

    I was wondering if anyone knew if I could take a 700R4 transmission and hook it to a 235 Chevy inline 6. I love my little inline, however I am getting tired of shifting gears. Overdrive sure does sound nice... Any help would be greatly appreciated.
     
  2. need louvers ?
    Joined: Nov 20, 2008
    Posts: 12,901

    need louvers ?
    Member

    There is a company up in Arlington, Washington called Buffalo Enterprises that can help with an adapter for this swap. I have looked into it a time or two myself, and will probably be doing it soon. I plan a 200r4 though. 360 652 7684
     
  3. 52HardTop
    Joined: Jun 21, 2007
    Posts: 1,130

    52HardTop
    Member

    Yep Buffalo would be the guy to call. By the way, I think the 200 4R might be the ****** to use. It's the same size as the 350 and is a better fit. The 700 R4 might be too long. I have the 200 4R in my convertible and it sits snug as a bug between the X in the center of the frame. So, it should be fine in a standard ch***is.
    dom
     
  4. Westerman
    Joined: May 11, 2010
    Posts: 152

    Westerman
    Member
    from Cincinnati

    I've never used a 200R4 before. Is the only difference the size. Do they still have overdrive? What did they come out of? Thanks
     
  5. need louvers ?
    Joined: Nov 20, 2008
    Posts: 12,901

    need louvers ?
    Member

    Yes they did. That's what the R4 implies. They came in just about every p***enger car application GM did in the eighties and ninties.They also use allot less horse power to do their magic than the 700R4 did.
     
  6. belair
    Joined: Jul 10, 2006
    Posts: 9,036

    belair
    Member

    Super good trans. I'm going to replace the th350 with one to go behind my 250.
     
  7. need louvers ?
    Joined: Nov 20, 2008
    Posts: 12,901

    need louvers ?
    Member

    Just had a friend do that with the 250 in his '54 Chevy truck. Went from a 2.6something rear axle and TH350. to a 200R4 and a 3.55 rear.... Major improvement! Gets out of it's own way pretty damn well now, and picked up some MPG on the freeway as well!
     
  8. 52HardTop
    Joined: Jun 21, 2007
    Posts: 1,130

    52HardTop
    Member

    I'm sure the 700 R4s came in some desirable rides, but I know my 200 4R came from a Monte Carlo and are also found in the Grand National.
    Dom
     
  9. belair
    Joined: Jul 10, 2006
    Posts: 9,036

    belair
    Member

    Be sure to get one with the Chevy bell pattern. I'm thinking G bodies are the most common place to find them.
     
  10. TomT
    Joined: Dec 11, 2003
    Posts: 4,682

    TomT
    Member

    I'm no ****** expert, just a guy who has installed both. Unless you already have a T350 installed, making for a much easier swap for the 200R, I think you might like the gearing in a 700R4 better, especially first gear. Yes, they are longer by about 2 3/34" and the mount is 2" further back than the T350. Unless you get the Monte SS or Grand National styled 200R, I would prefer the 700 myself but that's just me.
     
  11. dbradley
    Joined: Jan 6, 2007
    Posts: 1,036

    dbradley
    Member

    The 2004R also has a better 1st gear and ratio split....... especially for a 6 cyl. The 700 has a LOW first gear, I have a 700 in my '33, it'll have a 2004R next time around.
     

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