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<x-charset iso-8859-1> OK... there VW alright. Id be interested in seeing what Clyde has to say... apparently they havent had problems with the Stock VW heads... Im running dual springs on the Notch... with modern replacement VW heads and no problems so far. Hmmm... Lap both heads in... youll be glad you did! alot of thermocycling could crop up problems on the other bank soon if you dont. you DONT need to pull the cylinders... just use a spare Jug... Ideally you want to keep them matched but most of the seating is done in the soft aluminum so a spare jug is fine. Keith > > > Yeah, I am sure. The 71 only had 60k on it when I first bought it and I > know there was no head work done on it while it was in NY. Besides the head > has the following cast into it. > > 311.101.375 > VW 71 > > The "VW" is the roundel. > > The hi-rev springs were all that was available new when I was shopping. > What do people do that run dual springs? They are much higher pressure that > the single springs. Even the hi-rev ones. > > Going to go pull that valve out for a "look see". Not that I expect to see > much. Will have to start looking for another head, I guess. > > The blow-by might explain the lower compression on that bank. #3 and 4 each > had 120 psi. #2 had 90psi and #1 had 110psi. I will lap in the cylinders > on this bank. I think I will leave the other bank alone. I will check on > the availability of stock springs. > > > Later, > John Jaranson > '71 FI AT Fasty (Jane) > '66 Square (Sophy) > About Half a Late Square (Organ Donor) > http://mywebpages.comcast.net/jaransonT3/jaransonT3/ (This is my new > website address) > > ------------------------------------------------ > To unsubscribe, E-mail to: <type3-off@vwtype3.org> > For more help, see http://vwtype3.org/list/ > ------------------------------------------------ To unsubscribe, E-mail to: <type3-off@vwtype3.org> For more help, see http://vwtype3.org/list/ </x-charset>