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Pistons must be balanced. This is why one must always use original VW valves and replace the valve guides too at 60Kmi. you must check that you didnt bend the rod, probably did or leave chucks of stuff in the crankcase. Cofap is not what I would use again. I have them, and at 65K i'm sucking oil on deceleration on the highway, been doing it since 40K or so. Comp is good but the oil rings suck. Keith ---------- > From: Eduardo Godoy <tardemalynunca@yahoo.com> > To: type3 digest <type3-d-request@vwtype3.org> > Cc: type3 digest1 <type3-d@vwtype3.org>; type3 digest2 <type3@vwtype3.org> > Subject: [T3] "Cofap" pisons and cylinders > Date: Saturday, June 05, 1999 7:54 AM > > Hi everybody, > > So I go to the Bugorama this weekend, some type three stuff, lots of > neat cars, mostly friendly people selling stuff, one or two profiteers, > but all in all not a bad day. > > So later that day, on the way back from San Francisco, at about 70 mph > UPHILL (my baby's running great!) all of a sudden I loose power, so I > move over into the far right lane and pull off the shoulder to see if > the carb linkage has unlinked or what have you. Car is still idling, > then it comes to a rattling stop. From then on, it won't turn over any > more. > > I tow it home, take off the head and lo and behold, the valve had > snapped off and wedged in tŘO2~der. > > Last engine rebuild was five months ago so I'm not looking forward to > this, financially or otherwise. I'm replacing the Mahle P&C's with a > set of Cofap P&C's (cuz that's all they had at the VW shop) these don't > seem to be up the quality of the Mahle set - any comments? Does anyone > just replace one piston at a time provided you balance them all? > Also, I'll be saving the three other P&C's cuz they're in good shape... > Can I reuse them st sometime in the future? > > Thanks, > > Eduardo > > _________________________________________________________ > Do You Yahoo!? > Get your free @yahoo.com address at http://mail.yahoo.com > > ------------------------------------------------------------------- > List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org