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Hot Rods XO/PP Bonneville project

Discussion in 'The Hokey Ass Message Board' started by john mullen, Dec 28, 2017.

  1. Intake and Exhaust headers installed today. Photos tomorrow...
     
  2. 20220405_161958.jpg getting close to firing up the engine
     
  3. AmishMike
    Joined: Mar 27, 2014
    Posts: 1,138

    AmishMike
    Member

    Do not remember if u run inner fender panels. Read somewhere it improves streamlining if leave/run with them. Maybe u can try a run with panels & without. Just a 2 cent thought..
     
    chryslerfan55 and D-Russ like this.
  4. Yes, we run with inner fenders. They're bolted to the front clip, which is currently off the truck.
     
  5. When the time comes @D-Russ and it will, you can’t drive 55!
     
    D-Russ likes this.
  6. Inner fenders are mandatory by SCTA rules.
    No body mods allowed in XO/PP VINTAGE ENGINE CLASS
     
  7. Working on a torque plate for Dave Russell's 302 GMC engine 20230205_110751.jpg 20230205_110801.jpg 20230205_114316.jpg
     
    chryslerfan55, saltflats and D-Russ like this.
  8. Working on the exhaust flange for Dave Russel,s GMC/Skinner 12 port head 20230208_164536.jpg
     
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  9. Thank you for all your guidance and help on this motor project @john mullen .
     
  10. It's what I love Dave. Keeps me young at heart and gives me joy.
     
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  11. saltflats
    Joined: Aug 14, 2007
    Posts: 12,860

    saltflats
    Member
    from Missouri

    What is this engine going in?
     
  12. See post 1754 above.
     
  13. So XOPP Bonneville pickup will be able to choose from two different engines?
     
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  14. @pprather XO/PP will become XO/MP with Jimmy engine...I believe.
     
    pprather likes this.
  15. 20230209_133009.jpg 20230209_123953.jpg fitting the header flange locating the ports.
    I'll use a 1 1/2" hole saw to open up the flange and the milling machine to clean it up. Them hand grind it to fit the ports as needed.
     
    Last edited: Feb 9, 2023
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  16. THE FRENCHTOWN FLYER
    Joined: Jun 6, 2007
    Posts: 5,635

    THE FRENCHTOWN FLYER
    Member
    from FRENCHTOWN

    Do you have the intake and headers? Maybe something like this?

    xflo02 (3).jpg treadwells3_2exh.jpg
     
  17. XO/PP for the 262 Ford in a Ford with a stock head
    XO/MP for the 302 GMC in a Ford with a stock head
    XXO/MP for the 302 GMC in a Ford w/aftermarket head
     
  18. Thanks for the Bonneville class explanation, Dave.
     
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  19. Love the headers.
    Probably going to use 3 sidedraft webber carbs on a small plenum
     
    old flopper likes this.
  20. THE FRENCHTOWN FLYER
    Joined: Jun 6, 2007
    Posts: 5,635

    THE FRENCHTOWN FLYER
    Member
    from FRENCHTOWN

    What are the existing records at Bonneville?
     
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  21. Arkansas spring Fling dates are May 5th 6th and 7th
    We will be there with great expectations
     
  22. saltflats
    Joined: Aug 14, 2007
    Posts: 12,860

    saltflats
    Member
    from Missouri

    Looks ready keep up the great work.
     
    chryslerfan55 likes this.
  23. XO/PP RECORD IS NOW 140 AND CHANGE. SET WITH A 51 GMC PICK UP WITH A 302 GMC ENGINE WITH A FACTORY MODIFIED HEAD
     
  24. Photo of the day, starting to look like a race truck again 20230214_172107.jpg 20230214_172117.jpg
     
  25. saltflats
    Joined: Aug 14, 2007
    Posts: 12,860

    saltflats
    Member
    from Missouri

    Looking great, wish you were just down the road.
    Be cool if I could hitch a ride on your path back to the flats, or at least tag along.
     
    D-Russ likes this.
  26. The wagon train goes through St. Louis, Missouri, but John usually likes to drive all the way to central to Kansas before stopping for sleep.
     
  27. Working on the exhaust flange for Dave Russels 302 GMC engine project. Ports fit and ready for 1 7/8 20230214_172047.jpg tubing
     
  28. Video from the 262 fire up today:



     
  29. wheeltramp brian
    Joined: Jun 11, 2010
    Posts: 2,930

    wheeltramp brian
    Member

    Ought to be proud that thing sounds nasty!
     
    D-Russ likes this.
  30. We are very happy with the new engine combination.
    Going to the dyno in a couple weeks after we break it in some.
     

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