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Thickest Piston/Rotor Oil?
Posted: Wed Jan 31, 2024 10:07 am
by tylerferris1213
I work on a lot of vintage instruments that are on the verge of needing a valve section rebuild because of wear. What do you find to be the best valve oil to help these instruments limp along? I know of Meinlschmidt heavy piston & rotor, Monster "smoother," Yamaha vintage, and Hetman classic. I'm fine with anecdotal recommendations, but I also wonder if anyone has done an empirical viscosity measurement on various oils...
Re: Thickest Piston/Rotor Oil?
Posted: Wed Jan 31, 2024 10:22 am
by peterbas
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Re: Thickest Piston/Rotor Oil?
Posted: Wed Jan 31, 2024 10:36 am
by bloke
I always use 30W (the last drippings from a new 5 quart jug after an oil change...which is usually enough to fill a 2-oz. needle oiler) on ROTOR bearings (certainly NOT rotor bodies), including NEWISH rotor bearings.
The VERY MOST WORN pistons (in order to be able to get any sort of characteristic sound out of those instruments) are also something with which you might see me using 30W.