The Ford Barn

kurt v · 12-02-2022, 01:46 PM

stamped on the bottom center rib are the numbers top to bottom 934
9
3
4
is this the ratio code ?
thanks kurt

cas3 · 12-02-2022, 01:49 PM

That means 9 teeth on the pinion gear, and 34 on the ring gear which is a 3.78 ratio. happy motoring

kurt v · 12-02-2022, 02:04 PM

Thank you cas3

kurt

joel · 12-03-2022, 12:21 PM

Sponsored Links (Register now to hide all advertisements)

Unfortunately, that's no guarantee that those gears are still in there. Hopefully, they are.

12-02-2022, 01:46 PM	#1
kurt v Senior Member Join Date: Sep 2021 Location: summerton, sc Posts: 353	40 ford rear end gear ratio numbers stamped on the bottom center rib are the numbers top to bottom 934 9 3 4 is this the ratio code ? thanks kurt

12-02-2022, 01:49 PM	#2
cas3 Senior Member Join Date: Jan 2011 Location: sw minnesota Posts: 4,577	Re: 40 ford rear end gear ratio numbers That means 9 teeth on the pinion gear, and 34 on the ring gear which is a 3.78 ratio. happy motoring

12-02-2022, 02:04 PM	#3
kurt v Senior Member Join Date: Sep 2021 Location: summerton, sc Posts: 353	Re: 40 ford rear end gear ratio numbers Thank you cas3 kurt

12-03-2022, 12:21 PM	#4
joel Senior Member Join Date: May 2010 Location: Indiana Posts: 488	Re: 40 ford rear end gear ratio numbers Sponsored Links (Register now to hide all advertisements) Unfortunately, that's no guarantee that those gears are still in there. Hopefully, they are.