If you had a 88-92 80q, it would have been 10v. But all 90-91 90q's were 20v as you stated. harrison Matt Rooke wrote: > >I'm just in the process of buying a 91 90Q. Same beast. > > No, here in the USA, the 90/91 90Q is 20V, the non-Q version is 10V. > I'm pretty sure there were no 10V q's those years. > All 1988 90's are 10V. > > Matt Rooke > '91cq