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The current heater in the Type 1 engine until Jan '62 was non-fresh air,so they may have just continued the practice of including the step so it could be fitted to the Beetle or Bus. I understood the seals were to ensure that leakage of combustion gases into the cooling air was not a problem. Dave. UK VW Type 3 & 4 Club http://www.hallvw.clara.co.uk/ ------ ----- Original Message ----- From: "Scott Taylor" <scottbtaylor@earthlink.net> To: <type3@vwtype3.org> Sent: Tuesday, July 04, 2006 6:28 AM Subject: Re: [T3] starting an early 62 overhaul > On Jul 3, 2006, at 8:32 PM, Jim Adney wrote: > > > One thing in your photo strikes me as strange: It looks like > > there's a "step" in the cylinder head where the cylinder seats. Did > > these cylinders use a sealing ring there like the 36 hp heads, or > > have these heads been cut afterwards (or were they cut this way at > > the factory?) > > I don't know, but there is a cutaway view of an early engine in the '61 > Workshop Manual that appears to show the same step: > > http://home.earthlink.net/~scottbtaylor/cutaway.jpg > > There wasn't a seal there when I removed the head. > > Scott > 62 343 > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~