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Mystery SBC tunnel ram from the 60s? Who made this

Discussion in 'The Hokey Ass Message Board' started by kurts49plym, Mar 16, 2008.

  1. kurts49plym
    Joined: Nov 2, 2007
    Posts: 386

    kurts49plym
    Member
    from IL

  2. PA Gas
    Joined: May 10, 2005
    Posts: 700

    PA Gas
    Member

    It's a ridgerunner ram and is the first tunnelram. I was told they didn't work as good as the newer style t-rams on street cars. The plenum is too big for small cubic inch motors and work work better on a bigger cube small block or so I was told..
     
  3. that linkage is pretty rad looking
     
  4. racemad55
    Joined: Dec 14, 2005
    Posts: 1,149

    racemad55
    Member

    As PAgas said,made by Ralph Ridgeway in Conn. I had one earlier than that made out of63 vette fuelie manifold!
     
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  5. man that is ugly i love it
     
  6. gas pumper
    Joined: Aug 13, 2007
    Posts: 2,951

    gas pumper
    Member

    I wonder what kinda mounting flange is under the carb adapters?
    What carbs the maker orig. machined it for?

    Nice simple pattern making, too.

    Frank
     
  7. lostn51
    Joined: Jan 24, 2008
    Posts: 1,668

    lostn51
    Member

    that thing is 2 feet tall.........good lord its so ugly its cool.
     
  8. draggin'GTO
    Joined: Jul 7, 2003
    Posts: 1,754

    draggin'GTO
    Member

    I think that this Pontiac tunnel ram is the first, but not the first aftermarket one.

    These were made for the 1963 410 HP 421 Super Duty engines, during the days of the super-stock wars.

    [​IMG]
     
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  9. 31modelo
    Joined: Apr 9, 2006
    Posts: 1,126

    31modelo
    Member

    I think the RPM range on that Tunnel ram has got to start at 6000 RPM. That thing is huge!! I'm markin that to see the final total.
     
  10. twofosho
    Joined: Nov 10, 2005
    Posts: 1,153

    twofosho
    Member

    Fascinating looking manifold, would look great on an early 60s looking hiboy running without a hood.
    I can understand why they didn't,but it would have been helpful to the potential buyer for the seller(s) to have taken it apart enough to include photos of the inside and show what the runners look like, because if the runner shape mimics the shape of the outside plenum walls it might be pretty easy with flat plate to extend the runner length and raise the floor of the plenum to reduce it's volume using TIG or epoxy, to not only make it streetable, but actually help mid range torque.
    If the plenum could mount carburetors without the adaptor(s), they probably were WCFBs or "D" series AFBs from the looks of it.
     
  11. slammed
    Joined: Jun 10, 2004
    Posts: 8,161

    slammed
    Member

    I never have seen either of these intake's. Both are keeper's.
     
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  12. Correct
    Ralph Ridgeway, was his name we ran one on a small block for years!
     

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  13. Baron
    Joined: Aug 13, 2004
    Posts: 3,448

    Baron
    ALLIANCE MEMBER

    I had one of these on a 67 Camaro I had back in 1970. Bought the set up from a friend fo mine who had it on his 57Chevy race car.They were set up for Holley carbs. Worked good from 6000 to 1000 rpm! Not a great performer on the street, but sure looked good.
    Ralph Ridgeway developed it for his 55 Chevy,The RidgeRunner. Good looking car.
     
  14. panic
    Joined: Jan 3, 2004
    Posts: 1,450

    panic

    Ridgeway also made the first SBC stud girdle IIRC
     
  15. HUH?
    Joined: Feb 28, 2008
    Posts: 33

    HUH?
    Member

    Ridge Runner Ram close up:
     

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  16. draggin'GTO
    Joined: Jul 7, 2003
    Posts: 1,754

    draggin'GTO
    Member

    Here's a few shots of the 1963 421 SD factory Pontiac 'bathtub' tunnel ram (this one's a rare repop) for those who are interested:

    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]
     
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  17. yekoms
    Joined: Jan 21, 2007
    Posts: 1,088

    yekoms
    Member

    Ridgeways also had a single four barrel top available too. That really made the box look big.
    Smokey
     
  18. HUH?
    Joined: Feb 28, 2008
    Posts: 33

    HUH?
    Member

    OR just make your own.:eek:
    [​IMG]
    Back in '70 a tech inspector at Alton Dragway commented that it looked like a concrete block.
     
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  19. ALindustrial
    Joined: Aug 7, 2007
    Posts: 852

    ALindustrial
    Member

    that thing would be great for cars running a constant 5000 rpm.. kinda wild looking with how tall that puppy is :D
     
  20. Danger Diaz
    Joined: Apr 19, 2008
    Posts: 50

    Danger Diaz
    Member

    Attached Files:

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  21. WillyB
    Joined: Aug 7, 2016
    Posts: 115

    WillyB
    Member

    More early tunnel ram facts I just found out!

    I was at TET in '68, missed all this!
     
  22. D.N.D.
    Joined: Aug 15, 2012
    Posts: 1,385

    D.N.D.
    Member Emeritus

    From what I have seen here on the HAMB , looks like Mr.Duntov designed the first one with his 57' Fuel Injection on the 283 H.P. 283 engine

    Made up his own fuel system instead of a carb to be side mounted for under the hood stuff

    DND
     

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