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Gear ratios: M40 120-130 1968

Hello Bob! I just wanted to give you some adding information about m40 gearboxes(useful or not, had nothing to do right now).
After 73`(140-series) they changed the ratio on first gear to 3.54:1(if i remember correctly)and gave it a stronger reverse gear(longer bearing).
Also there is a m42 gearbox with 2.60:1 on first gear and also longer second gear(i don`t remember the ratio), that was very popular for racing many years ago.
But the m42 was only used in military 4x4 Volvo "valp"("puppy") and 4-track snowmobile(had a low compression b18b engine).

DE. Sweden.






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