Cross-sectioned 20VT head

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  • UrS4boy
    S2Forum Obsessed
    • Feb 2006
    • 11859
    • Country: Canada

    #1

    Cross-sectioned 20VT head

    This might be a repost but if not, check this out:

    Hvis man lurer på: - hvor tykke veggene er med tanke på porting - hvor tykt godset er med tanke på borring/gjenging ved gjengeskader - hvor sprekker er greit og hvor går de lett over i vannkanalene Så trenger man følgende utstyr: - en egnet sag, alternativt en sager (i dette tilfellet tusen takk ...


    Teaser (courtesy of Marc S. from EFI express):

    RS2'd 93 UrS4 5 spd sedan
    94 UrS4 V8 6 spd manual avant
  • UrS4boy
    S2Forum Obsessed
    • Feb 2006
    • 11859
    • Country: Canada

    #2
    Head Games

    Name these "parts" (features, functions):

    Last edited by UrS4boy; 1 March 2011, 22:57.
    RS2'd 93 UrS4 5 spd sedan
    94 UrS4 V8 6 spd manual avant

    Comment

    • terrybullwon
      S2Forum Zealot
      • Mar 2006
      • 8782
      • Country: England

      #3
      1. In take lifter hole
      2. Oil
      3. Water
      4. Exhaust valve guide
      5. Exhaust Chamber
      6. Exhaust valve seat
      7. Intake seat
      8. Water way
      9. Intake valve guide
      10. In take chamber
      11. Oil
      12. In take lifter hole
      Chef

      Comment

      • Dan
        S2Forum Extremist
        • Jun 2008
        • 1242
        • Country: United Kingdom

        #4
        Bonus points if you can put it back together and have it work again
        1993 ABY Coupe | BMW R1200 GS
        A6 3.0 TDI Quattro (aka Sonic's 'ring support/cargo vehicle )

        Comment

        • UrS4boy
          S2Forum Obsessed
          • Feb 2006
          • 11859
          • Country: Canada

          #5
          Originally posted by terrybullwon
          1. In take lifter hole 2. Oil 3. Water 4. Exhaust valve guide 5. Exhaust Chamber 6. Exhaust valve seat 7. Intake seat 8. Water way 9. Intake valve guide 10. In take chamber 11. Oil 12. In take lifter hole
          11 out of 12. (You have No. 1 and 12 both as intake lifter holes). Also I would call the "chambers" ports, as in intake port and exhaust port.

          Now we can see why the intake valve gets a "Glasgow kiss" by the piston when the timing belt breaks.
          Last edited by UrS4boy; 1 March 2011, 23:10.
          RS2'd 93 UrS4 5 spd sedan
          94 UrS4 V8 6 spd manual avant

          Comment

          • Keeper of The Kitten
            S2Forum Fiend
            • Dec 2003
            • 2317
            • Country: England

            #6
            1. Exhaust lifter bore
            Martin Cutting

            aka Keeper of "The Teutonic Kitten"

            It's not better than sex, but it runs it a close second.

            Comment

            • UrS4boy
              S2Forum Obsessed
              • Feb 2006
              • 11859
              • Country: Canada

              #7
              Originally posted by Keeper of The Kitten
              1. Exhaust lifter bore
              Ding.
              RS2'd 93 UrS4 5 spd sedan
              94 UrS4 V8 6 spd manual avant

              Comment

              • terrybullwon
                S2Forum Zealot
                • Mar 2006
                • 8782
                • Country: England

                #8
                Sorry that's just me being a dyslexic ****
                Chef

                Comment

                • UrS4boy
                  S2Forum Obsessed
                  • Feb 2006
                  • 11859
                  • Country: Canada

                  #9
                  Originally posted by terrybullwon
                  Sorry that's just me being a dyslexic ****
                  You nee to pray to Dog more.

                  Actually I might have tricked you (not intentionally) since the labeled photo is from a different (and flipped) section from the first photo.
                  RS2'd 93 UrS4 5 spd sedan
                  94 UrS4 V8 6 spd manual avant

                  Comment

                  • Keeper of The Kitten
                    S2Forum Fiend
                    • Dec 2003
                    • 2317
                    • Country: England

                    #10
                    I'm not claiming any kind of victory as James did all the hard work
                    Martin Cutting

                    aka Keeper of "The Teutonic Kitten"

                    It's not better than sex, but it runs it a close second.

                    Comment

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