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Technical 34 firewall recess for sbc

Discussion in 'Traditional Hot Rods' started by 31aford, Feb 21, 2017.

  1. 31aford
    Joined: Dec 20, 2006
    Posts: 118

    31aford
    Member
    from az

    I know I have seen what appears to be no modifications to the firewall other than the distributor. I put the motor in for a test fit and it appears to be about 1.5" to small. I am running a short pump and have dual pulleys for AC and alternator. Does any one have pictures and or advice. The passenger side valve cover is touching the firewall and still need the 1.5". I am using the chassis engineering engine and trans mounts. Engine mounts are not welded in yet.
     
  2. Buddy has a 34 coupe with a 5 inch firewall set back and the dizzy is still very close to the firewall
     
  3. flamedabone
    Joined: Aug 3, 2001
    Posts: 5,697

    flamedabone
    ALLIANCE MEMBER

    Mine is recessed about 2 inches. I could have gone a little less, but I wanted plenty of room for a mechanical fan and shroud. The best way to do it is to mock up the engine with pulleys, fan and radiatior, that will tell you how much you need to move the firewall back.

    [​IMG]

    [​IMG]

    Please don't tell anybody I put a Chevvie in this little car, they revoke my Pontiac card....

    -Abone.
     
    29EHV8, mgtstumpy and Xman like this.
  4. flamedabone
    Joined: Aug 3, 2001
    Posts: 5,697

    flamedabone
    ALLIANCE MEMBER

    This is what it looked like when I drug it home, totally unnecessary and butt ugly.

    [​IMG]

    -Abone.
     
  5. 31aford
    Joined: Dec 20, 2006
    Posts: 118

    31aford
    Member
    from az

    Thanks for the information and pictures. It confirmed that I can still read a tape measure. If looks like I have some more cutting and welding to do.
     
  6. flynbrian48
    Joined: Mar 10, 2008
    Posts: 8,630

    flynbrian48
    Member

    ImageUploadedByH.A.M.B.1487732082.364738.jpg
    Indent for the dizzy, no recess. Right up front, but I'll figure the fan out.
     
  7. Johnny99
    Joined: Nov 5, 2006
    Posts: 1,146

    Johnny99
    Member

    My buddy Mike's three window. Made the stock Ford recess a bit deeper, uses a Hurst style mount, short water pump, small base distributor, and mechanical fan. Yes he can remove the dizzy if needed. Plan on doing this to my 34.

    John

    DSC00541.JPG DSC00542.JPG DSC00543.JPG
     

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