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Hot Rods Recessed firewall required? 34 Ford PU w/ small block

Discussion in 'The Hokey Ass Message Board' started by NeedFiber, Dec 7, 2022.

  1. NeedFiber
    Joined: Dec 20, 2011
    Posts: 149

    NeedFiber
    Member

    First post in prolly 15 years? Got a new project, dad is too old to build his 34 Ford PU so its moving to my shop. I'm evaluating engines and I know you guys can help. Can I install a small block Chevy (1st choice, 2nd is a Ford Windsor) in this truck with the stock firewall? I'll post a pic when she gets here next month.
     
  2. primopro
    Joined: Apr 17, 2006
    Posts: 146

    primopro
    Member
    from Corona, CA

    Yes, snug but yes. 359DF86C-C487-4E74-8B4C-42EF2562F6F7.jpeg
     
    Dak Rat and Johnny Gee like this.
  3. triumph 1
    Joined: Feb 9, 2011
    Posts: 599

    triumph 1
    Member

    I had a SB chevy in my ‘32 pick up (w& ugly big HEI) I didn’t build it. I know your firewall is bigger but it should definitely fit with a small cap distributor.
     
  4. mvee33
    Joined: Jul 3, 2010
    Posts: 78

    mvee33
    Member

    As Triumph has said, small cap distributor, used with a short water pump.
    There is more valuable space to be gained by pressing the water pump fan boss further on the shaft (about a 1/2 inch), and selecting or making the crank, water pump and alternator pulleys to line the fan belt up.
    A flat fan or one with the blades on the engine side of the fan hub helps. A late 60s C10 passenger side exhaust manifold used on the driver's side will give you steering box clearance, depending on what steering box you have. Nice project.
     
    prez likes this.
  5. NeedFiber
    Joined: Dec 20, 2011
    Posts: 149

    NeedFiber
    Member

    Ok cool. Primpro looks like the rear exhaust port is aimed directly at your steering U joint. What exhaust mani or header do you have in mind? Or will you move the column lower end?
     
  6. yep its a tight fit, but you can do it. My 33 has not had the firewall touched. Need a short water pump and small points style stock distributor as others have said. Fan is tight to radiator with no real spacer. If you plan on running a hood then need either a low mount alternator bracket or one that sits it high. 1510943_781802628500160_552182944_n.jpg 11807738_708355709293848_908801816563569475_o.jpg
     
    bchctybob likes this.
  7. Little bit better pic of the firewall in the truck 250257773_7091109664236060_3036917920587044057_n.jpg
     
    bchctybob likes this.
  8. NeedFiber
    Joined: Dec 20, 2011
    Posts: 149

    NeedFiber
    Member

    Taboo, got a pic of the steering rod side of the equation? Did you got rack up front or steering gear?
    I surely do not want to replace the welded in OE firewall. Its in superb condition. I'll post pics when its been extracted from my dads garage. Its buried.
     
  9. I am running a vega box with cross steering, used to have a F1 box with the same drivetrain. Dont have a picture of that side with the steering. Would have to dig the truck out of storage, but with the block hugger headers the joints are close but still have plenty of space for everything. The vega box mount is just a tough forward of where the side motor mounts are welded. I had to notch and gusset the motor mount for the box, but that puts the bulk of the box forward of the exhaust manifold dump.
     
  10. My 33 had the firewall reversed. Cab was actually a 34.

    IMG_2458.jpg IMG_20211119_140835095_HDR.jpg IMG_2459.jpg
     
    bchctybob likes this.
  11. bchctybob
    Joined: Sep 18, 2011
    Posts: 5,672

    bchctybob
    Member

    My ‘33 has a 425 Buick. I cut the firewall out, moved it back, and welded it back in. Looks stock, more room. But it looks like a SBC fits nicely once you find the right position.
    (Sorry for all of the junk, it’s being used as a storage unit temporarily)
    87E1AEBB-8370-42CD-A910-B1532A77996D.jpeg
     
    LOST ANGEL and akoutlaw like this.
  12. mgtstumpy
    Joined: Jul 20, 2006
    Posts: 9,247

    mgtstumpy
    Member

    A buddies car
    319462892_1236824430231949_8045070727812497836_n.jpg
     
    2Blue2 likes this.

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