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Changing ring and pinion gears
#7
For a small car the gearing is not especially low, although it does sound that way. Conveniently thought of as mph per 1000 rpm. The A30 was 12.7, Renault 750 13.5, Ford 10 13.7. Mayflower, SV Minx, A35, 100E, , MG 1250, Victor 1500, Mini Consul, were all under 15. Even the 80+ mph 1500 Jowett Javelin only 15.5 None were intended for motorways.
Have you ever tried a Fordson van or truck at 11.4 with the engine inside the cab! I suspect having driven one I could qualify for a hearing aid under Accident Compo.

The Seven 5.25:1 on 19x3.50 14.75. early cars 4.9:1 15.83 .(One effect is that 2nd in early cars closely matches 3rd in the 4 speed.)
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Messages In This Thread
Changing ring and pinion gears - by 12jslater - 16-05-2021, 07:04 PM
RE: Changing ring and pinion gears - by JonE - 16-05-2021, 07:23 PM
RE: Changing ring and pinion gears - by 12jslater - 16-05-2021, 07:42 PM
RE: Changing ring and pinion gears - by JonE - 16-05-2021, 07:48 PM
RE: Changing ring and pinion gears - by Bob Culver - 16-05-2021, 08:59 PM
RE: Changing ring and pinion gears - by Dave Mann - 17-05-2021, 10:24 AM
RE: Changing ring and pinion gears - by Steve kay - 18-05-2021, 08:55 AM

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