Everybody - thanks for all the responses.
tlbrandth, flybox1 and FunJimmy: - I have the HF digital readout and use it often on all my bikes - headers as well as oil. Basically, #1 & 4 read about 10 degrees lower than #2 & #3 and the readings are consistent. I will make a friendly bet with you all and say it is a defective pipe, and I will get you an answer as to the actual readings.
754: Some buddies on the ICOA site have recommended Kreem Blueshield to coat the inner of #2. I'll give that a shot and let you know.
ekpent: Sure. The original owner chopped the front fender and removed both sets of winkers. My older brother bought this bike in 1970 and put some 24,000 miles on it, bought a Harley and sold the bike to me. The bike has the original frame, sandcast motor, gauges, exhaust, fuel tank and rims and are, to my belief, all original to the bike. I am still working on it - a proverbial money pit, but I ride it a lot and get lots of looks. I have had only 3 people who whooped when they looked at the motor and saw it was a sandcast
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