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On 17 Oct 2002, at 8:59, Martinez, Leon wrote: > he mainly sells NEW genuine factory VW casted Mexican heads with the standard > 3/4 inch reach plugs (yeah for the new old bug cars still made, it is > standard) I've always thought that the short SP thread was a real weak point in our heads. It sure seems like using a 3/4" reach would make this area stronger, but the proof is in the pudding. Do the 3/4" reach heads no longer develop cracks between the valve seats and the SP threads? Do any of these use the 9mm exhaust valve stems? - Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ------------------------------------------------ To unsubscribe, E-mail to: <type3-off@vwtype3.org> For more help, see http://vwtype3.org/list/