Anyone know offhand the gearbox ratios for a stock ribcase transmission
supplied with a 1275 motor?
I'm trying to relate tachometer readings with speed (no speedo in the
racecar).
Using the various calculators, I've got a top speed in fourth (assuming a
1.0 ratio) of about 103 with my 4.22 rear end and 22.4" tire diameter at
a rev limit of 6500. I'd like to know what top speed is in third using
the same rev limit.
Thanks!
David Littlefield
'62 MGA MkII
'51 MGTD
'74 MG Midget vintage racer
'88 Jaguar XJ-S
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