so ive got a few 64t diffs here, 22G370 is the moke ones (got 2) and a 22A401 from a mini... is there any difference between the 2 besides the casting?
ie. would it be ok to use a 64t moke diff with a 17t pinion to establish a 3.76 ratio? (as the mini one is rather surface crusty-d up....)

Ta,
Matt

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Here am I sitting in my tin can far above the Moon
Planet Earth is blue and there's nothing I can do...



“A turbo: exhaust gasses go into the turbocharger and spin it, witchcraft happens and you go faster.” - Jeremy Clarkson

I'm pretty certain you can't mix-and-match like that. The 22G370 is for a 4.267 diff yeah? So it has a 15 tooth pinion with the 64 tooth crownwheel - so the tooth sizing will be selected to match the 15/64 combo, not 17/64.

Having said that 3.76 diffs are really common, should be easy to find one. Hell I think I have 3 or 4 lying around at home!

cheers

Jacob

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'72 Clubman Van - 1022cc, 295 head, 731 cam - Daily Driver
'69 Morris 1100 S - Dinged by a bus, in shed under repair
'64 Morris 1100 - Early 1100, long term project

17T pinion fits with either a 3.647 (62T) or a 3.765 (64T) crownwheel.
You need the 22A401 crownwheel for a 3.765 ratio, the 22G370 one won't mesh with this pinion as Jacob said.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.