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Stock Ford or Cometic head gaskets

Discussion in 'Ford Modular Forum' started by tank_567, Dec 21, 2012.

  1. tank_567

    Joined:
    May 22, 2010
    Hello all, had some issues with my head gaskets, blew out both of them only making 15lbs of boost running stock head gaskets and bolts. Im looking to upgrade to arp head studs or head bolts. The block has been decked and bored .020 over, should I think about upgrading to a Cometic head gasket?(goal is 600-700hp street engine) Thanks:biggrin-new:
     
    tank_567, Dec 21, 2012
    #1

  2. Zack

    Joined:
    Nov 14, 2012
    IMHO, a multi layered steel gasket cant be better than the next one offered.
    I always use stock gaskets and spray them with Copper Spray-a-gasket.
     
    Zack, Dec 21, 2012
    #2

  3. stangman9897

    Joined:
    Mar 23, 2009
    I've run stock Ford gaskets with no problems at 22 psi.
     
    stangman9897, Dec 21, 2012
    #3

  4. ewoogy

    Joined:
    Aug 4, 2011
    Cometic will be much better than a stock gasket but from what I hear, you will blow a piston before the gasket will let go so your tune needs to be spot on. I am using the cometics in mine. But lots of people use the stocks one and they work just fine.

    Eric
     
    ewoogy, Dec 21, 2012
    #4

  5. 99TTGT

    Joined:
    Dec 15, 2007
    stock OEM 03/04 cobra head gaskets will support 1200rwhp threw a powerglide with no issues...

    Ford Racing 2 valve head gasket changing kit M-6067D46
    Ford Racing 3 valve head gasket changing kit M-6067-3V50*
    Ford Racing 4 valve head gasket changing kit M-6067-T46
     
    99TTGT, Dec 21, 2012
    #5

  6. kboss87

    Joined:
    Oct 8, 2010
    I'm running ford head gaskets with ARP studs. Seen as high as 20psi and havent had an issue.
     
    kboss87, Dec 27, 2012
    #6

  7. tank_567

    Joined:
    May 22, 2010
    Cool, Thank you guys! Looks like I will order another set of stock head gaskets and go with arp head studs.
     
    tank_567, Dec 27, 2012
    #7

  8. kboss87

    Joined:
    Oct 8, 2010
    Good choice! As mentioned before, better to blow out a head gasket than cause bottom end damage!
     
    kboss87, Dec 28, 2012
    #8

  9. BLK_03

    Joined:
    Dec 9, 2006
    Absolutely not. The Cometic, Felpro, etc is not an upgrade over the stock MLS gasket.
     
    BLK_03, Dec 29, 2012
    #9
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