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    VWVortex


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    Thread: The proper way to clean carbon from your pistons.

    1. Member
      Join Date
      May 8th, 2000
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      9,805
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      Race car
      08-02-2012 09:50 PM #1
      TT 288's with a Mk4 head gasket.




      I found this while swapping the ported head out for a stock head, at the time I was prepping the car for sale and didn't have a camera with me, just noted it and moved on. I'm just getting around to posting some content and pictures as I've seen this come up in conversation in the past. These pictures show just how tight it could be running that combination of lift and head gasket, only the exhaust valves made contact, and none of them were bent. It’s tight, any more than what was shown and the engine could’ve been done in pretty damn good.

      It looks like the specs may have changed and I’ve seen conflicting data posted over the years; different lift and duration combinations. So, anyone looking to run this combination I say to do your homework just to play it safe, especially when buying these cams used and cam analysis is not present. These engines aren’t getting any younger and figure this scenario with loose motor, rod stretch, decked block, or even stainless valves; any one of those could result in damage way more extensive and forgiving than we’re seeing here.
      Last edited by billyVR6; 05-15-2013 at 11:08 AM. Reason: To combine the information into a single post...

    2. Geriatric Member need_a_VR6's Avatar
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      May 19th, 1999
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      03 325i
      08-03-2012 11:20 PM #2
      The other motor with the "new" 288s look any better?
      -Paul
      1995 GTI VR6 - ??.??@??? 3.6 Power - 12.90@106 R32 power - 12.833@106 12v power
      KPTuned - Official MegaSquirt: Sales - Repair - Installation - Tuning
      Build Thread: The Build Thread "Good Clean Fun"

    3. Senior Member PowerDubs's Avatar
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      08-05-2012 01:43 PM #3
      Why is it only on 1 relief..and 1 piston?


      Did you just come across this during an engine tear down for some other reason?


      -Josh
      06 VW - 6.0 W12 444hp/413tq all motor - stock | 05 VW 4.2 V8 335hp + intakes & exhaust =?
      04 VW - 3.2 VR6 330hp all motor - far from stock | 03 VW 2.8 VR6 201hp + ecu flash = ?
      01 ZRX1200 - not stock

    4. Geriatric Member need_a_VR6's Avatar
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      08-05-2012 05:45 PM #4
      Thats the famous "12.8" block. It is all the exh side reliefs.
      Last edited by need_a_VR6; 08-05-2012 at 06:25 PM.
      -Paul
      1995 GTI VR6 - ??.??@??? 3.6 Power - 12.90@106 R32 power - 12.833@106 12v power
      KPTuned - Official MegaSquirt: Sales - Repair - Installation - Tuning
      Build Thread: The Build Thread "Good Clean Fun"

    5. 11-02-2012 08:15 PM #5
      Quote Originally Posted by need_a_VR6 View Post
      Thats the famous "12.8" block. It is all the exh side reliefs.
      Famous. LOL. If you say so
      93' Corrado SLC Turbo-11.490@128.76mph-street car
      96' Volvo 854R-ready for more boost
      Allmotor VW's are slow
      Race cars are for people with an inferiority complex

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