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Thread: What head gasket should i get?

  1. 10-19-2014, 06:59 AM #1
    flyfishvt
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    98 M3 with a AA C38 supercharger. Currently Stage 1 but I'll be going Stage II in the spring. I don't have any place to work on the car during winter so I'm putting all work on hold till spring and collecting parts for what I have planned. As soon as it warms up again I'll be doing a head gasket, clutch and a few other things. I need advice on the head gasket. No plans to turbo. So what should I be looking for? I'd like to make the engine as bullet proof as possible. I've done head gaskets before but always stock parts.
    Last edited by flyfishvt; 10-19-2014 at 07:01 AM.

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  2. 10-19-2014, 07:48 AM #2
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    NY98M3
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    Do it once, cut ring HG.

    http://www.performancebyie.com/je-cu...re-0-079-thick

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  3. 10-19-2014, 09:01 AM #3
    pbonsalb
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    I agree with the recommendation above.
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  4. 10-19-2014, 09:22 AM #4
    flyfishvt
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    And what about head studs? Does that cut ring come as a kit like stock gaskets? Or will I have to source the individual gaskets? What about thickness? Should I wait to see how much material they shave off the head before I buy the gasket?
    Last edited by flyfishvt; 10-19-2014 at 09:24 AM.

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  5. 10-19-2014, 09:31 AM #5
    pbonsalb
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    Buy the 0.079. It is the thickest one. Slightly thicker than stock 0.071. Will compensate for decking the head. Use ARP head studs. Any other top end gaskets you need, you will have to source on your own or buy a stock HG kit and toss the HG. Whichever is cheaper.
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  6. 10-19-2014, 09:08 PM #6
    Matutino
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    I concur, I did 1 MLS, failed then did 3 cut rings and none of them failed. Do it once and do it right.
    Regarding thickness, that dependent if you are going to lower the compression or not... if you are sticking with stock compression then I would go with the suggestion above.
    Last edited by Matutino; 10-19-2014 at 09:09 PM.
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  7. 10-19-2014, 11:04 PM #7
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    IR M5
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    I wouldn't lower the compression with a centri supercharger, off boost driving will suffer tremendously. Just go with the cut-ring setup/ARP combo and be done with it. I wish I had gone with the cut-ring + copper spacer from the beginning just for peace of mind. Replace EVERY single gasket while you're in there, don't be cheap with FI maintenance.
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  8. 10-20-2014, 08:00 AM #8
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    Quote Originally Posted by Matutino View Post
    I concur, I did 1 MLS, failed then did 3 cut rings and none of them failed. Do it once and do it right. Regarding thickness, that dependent if you are going to lower the compression or not... if you are sticking with stock compression then I would go with the suggestion above.

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