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    Thread: O-ringing a 12v VR6 head...good or bad for boost?

    1. Member vdubxcrew's Avatar
      Join Date
      Jul 24th, 2004
      Pullman, MI
      93 Corrado VR6, 98 Passat 1.8t, 95 GTI VR6, 92 16v Passat
      08-25-2014 07:03 PM #1
      I have a great shape spare head I'd like to port for my turbo build. I got it from a guy who had it o-ringed. Never really thought about it and the effects it may have on a turbo build. I only plan on pushing around 400whp tops so what are the advantages/disadvantages? Is there anything I need to do differently when mounting it to the block? Will it work with a compression lowering spacer?
      I do ported/modified VR6 and 2.0 throttle bodies, mirror polish and port intake manifolds. PM me for details.

    2. Member sp_golf's Avatar
      Join Date
      Nov 28th, 2007
      88 Golf 16vT
      08-25-2014 07:19 PM #2
      The way to propely oring a motor is to also o ring the block and get a custom headgasket with cutouts for the o rings on both sides. It's definitely not worth it for such a mild motor, and not really worth it in general.
      I suggest scrapping that head and getting a clean one, then porting that.
      SP Solutions
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