[OK-944]

Coldest start yet for my ‘87NA - 5 below F (likely colder mechanics as it had been down to negative 21 F overnight)…and the engine basically caught fine and built up oil pressure, and indicated 14.2 volts.

But I noticed right away…a steady hum from the front of the engine - seemed to diminish somewhat over the five minutes I had it running, but I didn’t want to take it out for a drive, as its not fun to be stranded at 5 below.

Again, I’d earlier completely rebuilt this engine, plus new water pump, belts, and rollers, and new clutch kit. Has been running really nicely in general.

At any rate…given the above - my thoughts tend towards the water pump or one of the rollers. Maybe a rubbing belt? Noisy PS pump? I’m sharing this on the chance that someone else has experienced something similar. Ideas?