Posted by Chuck(G) on April 09, 2002 at 20:53:18:
In Reply to: Re: Re: Question about modifying rotary valves posted by Dave on April 09, 2002 at 19:20:16:
Dave, if Robb says he can do it, trust him. The man is hugely talented, not your usual run-of-the-mill repairman. I mean, this guy builds ophicleides from scratch!
But I'd try a good cleaning and lube and maybe some heavier springs first. This could be a pricey procedure.