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On 29 Oct 98, at 11:39, oofacts@earthlink.net wrote: > Let me ask you, when I'm driving on the highway, I can hear a low > ticking coming off the guard rails. Not pinging (I've had that - bad gas). > I can't tell with the engine cover off what it is because its so noisy in > general and my ear is untrained and unfamiliar with a properly tuned > engine.. And when I'm at idle, all I hear is the exhaust steadily > puttering. > Checking my valve clearance this weekend. Yes, check valves. I recommend .004/.006, I/E. Also check your compression (engine warm, throttle wide open.) > Also, every now and then, especially when warming up, I get little > backfires. Tiny and occassional, but sort of like a miss. Before I put in > the new distributors and sparks, when I was up at Keith's he noted the car > was too rich because it was so sluggish starting up and then noticed only > two cylinders were firing. I figured this had to do with fouled up plugs > and once the car had a few minutes to warm up, all four cylinders were > running again. I have the new distrib and the carbs synced but every now > and then....pop pop. True backfires occur when the mixture is too lean. Misses can have many causes. Jim - ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------------------------- Unsubscribe? mailto:type3-request@vwtype3.org, Subject: unsubscribe