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unknown ring gears

Posted: Tue Nov 26, 2019 2:53 pm
by Michael Davis
I have 3 ring gears that I do not know what they are ? Any information would be great.

Thanks
Mike

Re: unknown ring gears

Posted: Tue Nov 26, 2019 2:54 pm
by Michael Davis
More pics Ring gears

Re: unknown ring gears

Posted: Tue Nov 26, 2019 3:20 pm
by Kerry
Top one looks to be Model A and second one 30's V8.

Re: unknown ring gears

Posted: Tue Nov 26, 2019 3:29 pm
by Rich Eagle
I looked up a chart that says 34:9 is a standard Model A and optional Model B for lighter cars ratio. The 39:11 is post '34.
http://www.fordgarage.com/pages/rearaxleratios.htm

Re: unknown ring gears

Posted: Tue Nov 26, 2019 3:49 pm
by Kerry
I forgot to mention that spiral bevel gears came in a matching sets, as ring and pinion, to try and miss match usually ended up with a diff that screamed like a fire truck siren.

Re: unknown ring gears

Posted: Tue Nov 26, 2019 7:45 pm
by Michael Davis
Thanks so much for the information.

Mike

Re: unknown ring gears

Posted: Wed Nov 27, 2019 11:59 am
by Mark Gregush
The first group of gears shown are 28-34ish the 2ed group of photos are 35-48.
https://www.speedwaymotors.com/1935-194 ... 7-EALw_wcB