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Registered
Join Date: Jan 2003
Location: Burford, ON, Canada
Posts: 2,344
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Peter, I don't really understand your question.
This is the type 911/01 with A-GA-O-V-ZA gears, and applies to both 1970 & 1971.
If you build more than 11,000 transmissions of one type in a year and you have only 4 digits for serial #, then you need a second series; so 710xxxx becomes 770xxxx and 711xxxx becomes 771xxxx. The 770 and 771 series just appear late in the model year. No physical changes.
Dave
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Keeper of 356, 911, 912 & 914 databases; source for Kardex and CoA-type reports; email for info
Researching 356, 911, 912 & 914 Paint codes, Engine #'s and Transmission #'s
Addicted since 1975
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