Quote:
Originally Posted by JRSully
in '70, M20 was the call out code for a manual 4 spd, didn't designate specific 4spd/Muncie to be installed
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Not sure if the window stickers varied between 1970 Chevy models...but our black 70 L78 Nova window sticker shows M21 and the close ratio description. The Fisher Build Sheet [small one] indicates M20 to let the boys know they needed to cut a hole in floor for the shifter.
There are other differences too regarding pricing for the engine and trans...seems to me the L78 would be the same price for any model it was available in. Maybe the price changed during the model year ??
As for the 'performance axle' call out...my understanding has always been the 3.55 gear was the default ratio for the L78 in 1970 and perhaps before.
Interested to hear what other info folks have....
-wilma
