I don't have a 1970 TIMJG handy and perhaps this info may be in it, but what is known about the 660-661 case changeover? Also, I'm seeing some assembly stamps with an extra alpha character at the end, such as "P9D09BD", and another example "P9H25AE". Both of those examples are on 660 cases with 1970 vin stamps, and both examples the extra character appears to have been loose stamped. Anyone shed some light on this?
Thanks,
Steve
Thanks,
Steve
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