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Well... I just got back from a 650 mile trip to Buffalo and back and it was cranking a bit unevenly and had a hesitation off of idle. I found that for the second time the number one exaust has tightened to no clearance at all and this time the #2 did also. Both intakes on that head were loose, 1 at .010 and 2 .007 The 3&4 head had a similar situation but not as bad, both exausts were down to .003 and the intakes up to .008 Its only been 1500 miles since the last adjustment and the Motor only has 3500 miles on it (Berg 1679). Ive seen better adjustment retention on JC WHitney heads... these are genuine VW ! and Berg doesnt use cheap valves... Im gonna call them and see what they think but I never had problems like this with my Stock Square engine when it was new. Is this normal for a setup with the stiffer springs?? when will they wear in?? Ive lost my warm and fuzzy... :-( and just hope I havent burned the valves on the trip home! Keith Keith Park Top Notch Restorations topnotch@nycap.rr.com 71 Squareback 65 Notchback 65 Squareback 75 Opel 87 Golf 88 Rx7 10th Anniversary ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org