You could get a converter and synthetic fluid.
Does it chirp 2nd? They may have set mild....
I wouldn't do anything to it, start saving your money cause it will take a whole months salary to have it rebuilt when it breaks.
Well, not that much but about $1800
------------------
4.10's,long tubes & 75 shot...Goes 12.50's
Check it out at
http://www.burnouts.webprovider.com