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  1. 01-02-2013, 09:03 AM #1

    SNSTR-TA's Avatar
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    Question header gasket surface damaged

    First off,I didnt do this to my heads lol..I just bought these heads from a friend thats going LS (poor guy..) and I was just wondering if the gasket surface on the exhaust side looks like its too damaged to even use..I'm assuming these marks will interfere with a gasket attaining a good seal..Its only like this on one of the heads thankfully,other one is fine.

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    FORGED 383 LT4, Trickflow 195s ,Lunati Voodoo cam, TCI 3600 stall, built 4L60E, supporting suspension mods, C5 brakes
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  2. 01-02-2013, 10:40 AM #2

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    Quote Originally Posted by 383LTX96TransAm View Post
    First off,I didnt do this to my heads lol..I just bought these heads from a friend thats going LS (poor guy..) and I was just wondering if the gasket surface on the exhaust side looks like its too damaged to even use..I'm assuming these marks will interfere with a gasket attaining a good seal..Its only like this on one of the heads thankfully,other one is fine.
    I would definitely spend the few bucks to have them milled down flat again. It will only be a few bucks.

    Some of those nicks are not only pretty deep, but very close to the exhaust port. Not worth the hassle of having to take it all apart later.
    93 Medium Patriot Red Z28: Forged 383,GTP'd AFR 220s(@227ccs), LE .7xx" Billet SR,1.7 Shaftmounts,24x,Maxed Supervic,4150 TB. :12 Metallic Spark Black ZX14R: 1.5" drop, GP slipons, -2 Vortex rear. 152mph trap SWB, stock motor...now with Nitrous... :09 Victory Red LS3 Z51 Vette: Blackouts, muffler delete, sub. Purchased bone stock w/18k mi.
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  3. 01-02-2013, 10:51 AM #3

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    I would definitely spend the few bucks to have them milled down flat again. It will only be a few bucks.

    Some of those nicks are not only pretty deep, but very close to the exhaust port. Not worth the hassle of having to take it all apart later.
    Yea thats what I was thinking,just wanted a second opinion.Thanks for the reply,time to call the machine shop up lol...

    1996 Trans Am
    FORGED 383 LT4, Trickflow 195s ,Lunati Voodoo cam, TCI 3600 stall, built 4L60E, supporting suspension mods, C5 brakes
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  4. 01-02-2013, 12:39 PM #4

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    How did that even happen?
    -Joe-
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  5. 01-02-2013, 01:04 PM #5

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    How did that even happen?
    Im wondering the same thing..guessing he got waaay to agressive when trying to scrape away the old gasket..But still I've never seen it this bad..

    1996 Trans Am
    FORGED 383 LT4, Trickflow 195s ,Lunati Voodoo cam, TCI 3600 stall, built 4L60E, supporting suspension mods, C5 brakes
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  6. 01-02-2013, 01:27 PM #6

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    Quote Originally Posted by 383LTX96TransAm View Post
    Im wondering the same thing..guessing he got waaay to agressive when trying to scrape away the old gasket..But still I've never seen it this bad..
    With some of those dings, it looks more like it was dropped.
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  7. 01-02-2013, 02:05 PM #7

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    get them milled and use dead soft aluminum header gaskets and locking fasteners. I did and have had no issues
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  8. 01-02-2013, 02:13 PM #8

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    get them milled and use dead soft aluminum header gaskets and locking fasteners. I did and have had no issues.
    Yea thats how I have it for my headers on the car currently.

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  9. 01-02-2013, 09:01 PM #9

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    Quote Originally Posted by Spartan7 View Post
    With some of those dings, it looks more like it was dropped.
    I looks like he was using it to hold up a fridge or something like that.

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  10. 01-03-2013, 08:00 AM #10

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    looks like he scraped the gaskets with a screw driver and a hammer, haha.
    93 Trans Am. M29 6 speed & Spec Stage 3+. AS&M Headers & Corsa exhaust. OEM WS6 Ram Air. Bilstein Shocks & Eibach Pro Kit. Strange 12 Bolt w/ 3.73s. OEM C6 Brakes and a ton of suspension mods...

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