OK, I got the truck back to Iowa and I have found out that my '64 C10 shortbox has leaf springs! The original owner protection plan booklet shows it was sold by Johnson & Sons Chevrolet in Willow, CA., July 24, 1964 as a model 1534 with trans. no. 608, rear axle W?(can't read) 610 but engine no. is left blank. The ID plate and titles show this is a model 1534 long bed 1/2 tonner with an 8 cyl motor but it obviously was converted into a Chevy long bed cab on a GMC short bed chassis. I can find no number stamped on TOP of the frame in the engine bay but 2443630 8 17 77 76, spaced as shown, is stamped on the frame side below the driver side door. What exactly is this number?
Also, the instrument panel has lights for 'tandem axle' and 'overpeed' which are hooked up to the turn signal switch! Did all trucks use the same panel or is this one from a "big truck"?
