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Technical 394 Olds to Muncie 4 Speed in 40 Ford Truck Build.

Discussion in 'Traditional Hot Rods' started by Pufff, Oct 6, 2017.

  1. You have a adapter for a hydramatic you could not get a throwout arm in there . Try a hyd. throwout bearing.
     
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  2. kidcampbell71 and Pufff like this.
  3. Pufff
    Joined: Sep 6, 2012
    Posts: 787

    Pufff
    Member

     
  4. Hats off to an octogenarian who is starting another build, and with a 4-speed to boot!


    Sent from my iPad using H.A.M.B.
     
    lowroller1 and Pufff like this.
  5. csebern
    Joined: Nov 24, 2015
    Posts: 12

    csebern
    Member

    I'm pretty sure that an adapter actually exists. I've seen it and I'm going to call the man I know that has it right now for you...
     
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  6. Pufff
    Joined: Sep 6, 2012
    Posts: 787

    Pufff
    Member

    auto.
     
  7. Pufff
    Joined: Sep 6, 2012
    Posts: 787

    Pufff
    Member

    That is the route I think he is going to try.
     
    Paul likes this.
  8. Pre1898
    Joined: Jul 24, 2013
    Posts: 95

    Pre1898
    Member

    Anyone ever used on of these units behind a 371 Olds and a Muncie trans ? Any feedback ???
     
  9. Pufff
    Joined: Sep 6, 2012
    Posts: 787

    Pufff
    Member

    I saw Reo last night and asked him about your 371. Is yours Hydro? He said he thought the (1957-60) 371 was the same block and bell housing bolt pattern as the 394, but that the 371 was internally balanced. Like mentioned before, I would check with Tony @ Ross Racing.
     
  10. duncan
    Joined: Aug 23, 2006
    Posts: 704

    duncan
    ALLIANCE MEMBER

  11. Pre1898
    Joined: Jul 24, 2013
    Posts: 95

    Pre1898
    Member

    Thanks all I am aware that Tom King makes this unit but was curious what the feedback is from anyone who has his setup and is using it ?
     
  12. SHARKO
    Joined: Mar 7, 2010
    Posts: 27

    SHARKO
    Member

    Great pics of a cool project. 30 years ago I put a top loader Ford 4 speed in my 57 Olds using an Offy bellhousing which I think is still available, a rare 57 flywheel and an 11 inch Long type clutch with home built slave cylinder mount. 20 years ago I changed to a t-56 6 speed with a big block chevy pressure plate and another rebuild of the slave mount and new pedals. The, slave cylinder gets hot because its too close to the exhaust so maybe my dot 5 fluid boils. And I am older now and want a lighter clutch. So I am going to a hydraulic throwout bearing and a stock pressure clutch. I haven't been able to find any specs but 3200 lbs isn't needed. What weight clutch is stock for a half ton pickup?
    Do I want a Long type or a diaphram. Any suggestions are welcome. I live in Kansas City and would love to find the right counter advice live within a few hundred miles. Pat
     
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  13. sunbeam
    Joined: Oct 22, 2010
    Posts: 2,940

    sunbeam
    Member

    Willcap 303-350MT adapter. or try to find a hydraulic throwout bearing that will fit.
     
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  14. v8flat44
    Joined: Nov 13, 2017
    Posts: 5

    v8flat44

    Got no tech help , but years ago a guy i knew built a 40 truck with a J2 & 4speed. First ride was scary as the brakes failed & we stopped by shut'n er down in 2nd gear. That thing was FAST...... v8flat44
     
  15. Pufff
    Joined: Sep 6, 2012
    Posts: 787

    Pufff
    Member

    Reo has been working on the clutch/transmission problem and has it solved. He ended up using a narrow bearing out of a 49-50 vintage Chevy truck, fabricated a new pivot point for the fork in the bell housing, redesigned the fork, and went the cable route like a motorcycle, from the swing pedals to the fork for disengaging the clutch. I probably took more pictures than needed, but wanted to cover it from every angle. trani1.JPG trani2.JPG trani3.JPG trani4.JPG trani5.JPG
     
  16. Pufff
    Joined: Sep 6, 2012
    Posts: 787

    Pufff
    Member

    More.
    trani6.JPG trani7.JPG trani8.JPG trani9.JPG trani10.JPG
     

    Attached Files:

  17. Pufff
    Joined: Sep 6, 2012
    Posts: 787

    Pufff
    Member

    With transmission.
    000_0008.JPG 000_0019.JPG 000_0020.JPG 000_0009.JPG 000_0010.JPG
     
  18. Pufff
    Joined: Sep 6, 2012
    Posts: 787

    Pufff
    Member

  19. Pufff
    Joined: Sep 6, 2012
    Posts: 787

    Pufff
    Member

    Three more.
    000_0016.JPG 000_0017.JPG 000_0018.JPG
     
    dan griffin likes this.
  20. stik70
    Joined: Apr 27, 2009
    Posts: 44

    stik70
    Member
    from midwest

    Speed Gems made a bell housing back in the day for olds to muncie trans IMG_20171204_133925556-3936x2952.jpg
     
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  21. He is obviously a pretty crafty guy and seems to be very mechanically capable. I only wonder if that cable will hold up since there are fairly high forces working through it
     
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  22. rustyrods
    Joined: Jun 14, 2005
    Posts: 261

    rustyrods
    Member
    from Dixon,Il.

    I hope I can still drive when I'm his age. Neat guy, wish I were there to help out.
     
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  23. joel
    Joined: Oct 10, 2009
    Posts: 1,184

    joel
    ALLIANCE MEMBER

    My son had a 97 Chevy p/u with the nv 3500 trans and a cable actuated clutch from the factory. I drove it a couple of times and we didn't realize there was a cable until it failed at about 90,000 mi. Clutch feel was like any mech. linkage and based on that I would pick cable over hyd. JMHO
     
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  24. MAD MIKE
    Joined: Aug 1, 2009
    Posts: 192

    MAD MIKE
    Member
    from 94577

    Pufff likes this.
  25. F&J
    Joined: Apr 5, 2007
    Posts: 11,624

    F&J
    Member

    I am not on the main board at all anymore, (bored today..lol)...but I tried to read up on that 394 motor mods? Is that 394 balanced internally NOW? or not? I am thinking the Ross flywheel has to be for internal rebalanced only, and if that 394 rotating ass'y has not been rebalanced...it is simply not going to work.

    If it is still a external balanced 394 and if you need a stock stick wheel, I might be able to help. I have one here, but I do know several different wheels were used on Stick 394's in different years, and also the 59-60-only newer style 371. I simply have no parts books or ways to Id the one that was saved for a 394 61 Olds project way back in the day. That owner has passed away, so....?? mine is most likely 394, as tony saw a pic of it, and id'ed it as 394, on hamb some years ago.
     

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