Owen & Jo Grigg wrote: > Think Tim works off the numbers on the actual starter and more likely the > Autolite #. > '57 & '58 Autolite #MDL 6001 and Chrysler #1689 342 This information lifted directly from my Autolite service parts catalog covering 1946 to 1957 1955 autolite # MCL-6304 6V C67, C68, C69 1955 autolite # MDC-6301 12V C70 1956 autolite # MDF-6001 12V all models 1957 autolite # MDL-6001 12V C75, C76 (includes 300's) the catalog does show some 12V parts starting in 1953 The Original 6V field coil package was Autolite # 20-23 the same from 1946 to 1955 -- Paul Holmgren Hoosier Corps #33, L-6 2 57 300-C's in Indy