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How to identify an A4 race block

Discussion in 'Non-Turbo Tech questions' started by dave06, Apr 21, 2006.

  1. dave06

    Joined:
    Apr 21, 2006
    Iam thinking about buying a 95 gt and the guy claims it has an a4 block but i have know way of telling if it is. Can anyone help me out?
     
    dave06, Apr 21, 2006
    #1

  2. boostedfoxbody

    Joined:
    Jan 30, 2003
    Checking the casting number. I'll post pics of mine as soon as I get home.
     
    boostedfoxbody, Apr 21, 2006
    #2

  3. dave06

    Joined:
    Apr 21, 2006
    thanks, that would be helpfull
     
    dave06, Apr 21, 2006
    #3

  4. boostedfoxbody

    Joined:
    Jan 30, 2003
    Casting # should end with "A4"



     
    boostedfoxbody, Apr 21, 2006
    #4

  5. chevyguy3

    Joined:
    May 19, 2005
    do A4 blocks use 7/16 or 1/2" head studs?
     
    chevyguy3, Apr 21, 2006
    #5

  6. boostedfoxbody

    Joined:
    Jan 30, 2003
    1/2"
     
    boostedfoxbody, Apr 21, 2006
    #6

  7. dave06

    Joined:
    Apr 21, 2006
    where exactly is the casting# located on the block
     
    dave06, Apr 22, 2006
    #7

  8. onefaststang

    Joined:
    Mar 3, 2003
    i believe they also have freeze plugs in the front of the block. Easiest way to tell by looking at it.
     
    onefaststang, Apr 22, 2006
    #8

  9. NIL8GM

    Joined:
    Jan 30, 2003
    It is located right next to the oil pan rail at rear of the passenger side, close to where the starter is.

    Rick
     
    NIL8GM, Apr 23, 2006
    #9

  10. fivepointslow

    Joined:
    Apr 22, 2006
    what vehicles did the A-4 come in or how do i go about finding one?
     
    fivepointslow, Apr 24, 2006
    #10

  11. svooh

    Joined:
    Oct 6, 2004
    freeze-plug are in front of the R-302 blocks...
     
    svooh, Apr 24, 2006
    #11

  12. mootang

    Joined:
    Mar 29, 2006
    the A4 block is an aftermarket block and I've been wondering the same. I have yet to see one for sale anywhere. I'm pretty sure it was replaced by the r302 block but I could be wrong.
     
    mootang, Apr 24, 2006
    #12

  13. Wallace

    Joined:
    Dec 3, 2004
    r302 superseded the a4 block. It does have blind tapped 1/2" holes for head studs/bolts. I have one for my build still in the crate, waiting on some money to magically appear to I can afford to assemble it.
     
    Wallace, Apr 24, 2006
    #13

  14. xr8tt

    Joined:
    Feb 14, 2003
    4 bolt centre caps sure gives the show away....
    If you take oil pan off.....
     
    xr8tt, Apr 25, 2006
    #14

  15. Turbo89

    Joined:
    Nov 5, 2003
    easiest way to tell 1/2 inch headbolts and no fitting for a oil dipstick on the block
    Also a A4 will have a aftermarket pan stock one doesnt fit, , look on the passenger side rear of the pan rail it will have to have a cutout on the pan for the last main to clear it.
     
    Turbo89, Apr 25, 2006
    #15
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