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Thread: Head gasket question

  1. #1
    Join Date
    Nov 2006
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    Tallahassee Florida
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    10

    Head gasket question

    i got a 90 model SC a little while back and im finaly getting around to fixing it. it was parked for a blown head gasket.

    my question is whats the best kind of gaskets to get and where from? i plan on doing some mods to the car and dont want to run stock gaskets, and im having a hard time finding a preformance gasket set for it.

    any help would be great! thanks!

  2. #2
    Join Date
    Dec 2002
    Location
    Auburn WA
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    63

    head gaskets

    I would get it taken apart to determin what the needs are, if it has been down awaile you could have rust issues, and to make sure the crankcase is not contaminated with coolant. I put ARP studs and use Fel-pro gaskets... Just some thoughts

  3. #3
    Join Date
    Apr 2002
    Location
    Madison, Ohio
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    17,676
    If you use ARP studs, torqued to 85ftlbs, and Felpro MLS gaskets it will hold up fine. You'll need to have the heads machined to an RA 30 finish or better (best performed by a shop used to working on imports or race motors), and then use Permatex copper spray on the block side of the gasket. Be sure to clean the block surface well but DON"T DAMAGE the surface. Many over zealous people have ruined their block surfaces (yes a wire wheel can ruin the block deck).

    As for the rust, you'll have some for sure but as long as the rings aren't stuck (motor still turns over easily) then you really have no choice but to not worry about it and cross your fingers. If the motor is stuck after sitting then most likely the rings are a mess and it will need rebuilding.
    Quote Originally Posted by Miller View Post
    Ya thats why i tape mine down. People think its bc i dont have a moonroof seal (which is true) but its really to keep my roof from ripping off .
    Email me here.

  4. #4
    Join Date
    Jun 2007
    Posts
    275
    My vote is for the Felpro Permatorque MLS ('98 Mustang left/right part #'s) with ARP studs (Chevy 2.8). More expensive because it's not a kit but Ford went to MLS-type on it's later aluminum headed six-bangers for good reason.

  5. #5
    Join Date
    Nov 2006
    Location
    Tallahassee Florida
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    thanks everyone for the info, but where would i find this stuff at? normal parts store or what?

  6. #6
    Join Date
    Apr 2002
    Location
    Lakeville, MN
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    13,517
    Headgaskets can be orderd from a local parts store. www.Rockauto.com may be able to beat their price.

    ARP Head studs can be ordered through a local engine rebuilder, or from www.summitracing.com or through www.jegs.com

    Here are the numbers:
    ARP Head Studs 233-4003
    Felpro Permatorque MLS gasket for the 98 Mustang 3.8. Part Numbers: PN 9262PT and 9263PT (left and right)

  7. #7
    Join Date
    Feb 2005
    Location
    Republic of Texas
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    2,577
    Here's a thread I posted about a year ago after doing the H/G project on my 89 automatic car:

    http://www.sccoa.com/forums/showthre...oject+complete

    Scroll down a few posts, and I listed the parts, P/N's, sources, prices for everything I bought. This should help steer you in the right direction.

    JD
    Last edited by txsc; 02-03-2008 at 01:20 AM.

  8. #8
    Join Date
    Nov 2006
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    Tallahassee Florida
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    awesome. yall rock!

  9. #9
    Join Date
    Apr 2005
    Location
    BC, Canada
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    586
    Has anyone ever had black goo in the overflow after putting in the felpro mls hg's with the rubber coating? I got black goo, and it does not look like its from a hose...

  10. #10
    Join Date
    Apr 2002
    Location
    Lakeville, MN
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    13,517
    nope.

    Can you describe it better? little pieces of something, or more like a oily substance?

  11. #11
    Join Date
    Apr 2005
    Location
    BC, Canada
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    586
    very thin black chunks, almost like the rubber melted off the gasket by the water jackets.

  12. #12
    Join Date
    Aug 2005
    Location
    Sunrise Beach, MO
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    pieces of your old blowed HG
    [B][COLOR="Blue"][COLOR="Red"]June 6, 2009....D-Day[/COLOR][/COLOR][/B]
    [B][COLOR="Blue"]1989 SC AUTO- Midnight Blue:D[/COLOR][/B]
    "They act like they are bed buds that have known me forever" -Corey B-

  13. #13
    Join Date
    Apr 2002
    Location
    Lakeville, MN
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    13,517
    RTV probably from the intake manifold area or the front cover or even if someone went crazy with the stuff when putting the freeze plugs in.

    Below is a picture of a piece of RTV I pulled out of a water jacket on my 90 SC when replacing the head gaskets. It was sitting behind the very small coolant hole in the oem head gasket likely blocking coolant flow in that area.

    That's why you try and use as little gasket maker as you can when building things.

  14. #14
    Join Date
    Mar 2003
    Location
    Edmonton, Alberta Canada
    Posts
    3,056
    I was checking through my cooling system just before winter to see if something was causing the engine to overheat. I found a paper towel jammed up inside the over flow tank, its hose and the rad.

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