The Ford Barn

Brooks · 06-19-2014, 09:16 PM

What does a 9-40 rear end go in? I have a 1940 standard V 8 that has 9-40 stamped on the housing. That would be a 4:44 ratio to low for the car.

41ford1 · 06-19-2014, 09:30 PM

V8 60hp.

JM 35 Sedan · 06-19-2014, 09:36 PM

What engine do you have in this car? It may have originally had a 60hp engine, which could have had 9-40/4.44:1 gear ratio. Having 9-40 stamped on the housing does not necessarily mean it has those gears now.

Walt Dupont--Me. · 06-20-2014, 10:47 AM

I built a real stemmy 276 for a friends 34 coupe vintage stock car with 4:44 gears, BOY, does that shit and get down the straight. I found him a set 4:55 that I think came out of the 41 pickup 4 cyl. I don't think he has installed them yet. I love it. Wish I was 40yr's younger. Walt

sidevalve8ba · 06-20-2014, 11:07 AM

Quote:

Originally Posted by Walt Dupont--Me.

I built a real stemmy 276 for a friends 34 coupe vintage stock car with 4:44 gears, BOY, does that shit and get down the straight. I found him a set 4:55 that I think came out of the 41 pickup 4 cyl. I don't think he has installed them yet. I love it. Wish I was 40yr's younger. Walt

Walt,
I would settle for 20 years younger.

19Fordy · 06-20-2014, 11:35 AM

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Brooks, You can also determine rear axle ratio by doing this:
http://www.btc-bci.com/~billben/reargear.htm
It would be a good way to double check if it still has 9-40 gears.

B-O-B · 06-21-2014, 02:19 PM

Walt,
I would settle for 20 years younger.

You guys are sure greedy HELL I'd settle for just 5 years younger!!!
I guess if you wish you might as go for the gold huh!!!

06-19-2014, 09:16 PM	#1
Brooks Senior Member Join Date: Aug 2013 Location: AL Posts: 115	Rear axle ratio What does a 9-40 rear end go in? I have a 1940 standard V 8 that has 9-40 stamped on the housing. That would be a 4:44 ratio to low for the car.

06-19-2014, 09:30 PM	#2
41ford1 Senior Member Join Date: May 2010 Location: ManchVegas, New Hampshah Posts: 1,589	Re: Rear axle ratio V8 60hp. __________________ You are never to old to enjoy your childhood. Forty1fordpickup on the HAMB.

06-19-2014, 09:36 PM	#3
JM 35 Sedan Senior Member Join Date: May 2010 Location: Near Rising Sun, Maryland Posts: 10,859	Re: Rear axle ratio What engine do you have in this car? It may have originally had a 60hp engine, which could have had 9-40/4.44:1 gear ratio. Having 9-40 stamped on the housing does not necessarily mean it has those gears now. __________________ *John* *"Never give up on what you really want to do. The person with big dreams is more powerful than one with all the facts". Albert Einstein*

06-20-2014, 10:47 AM	#4
Walt Dupont--Me. Senior Member Join Date: May 2010 Location: Gardiner Me. Posts: 4,200	Re: Rear axle ratio I built a real stemmy 276 for a friends 34 coupe vintage stock car with 4:44 gears, BOY, does that shit and get down the straight. I found him a set 4:55 that I think came out of the 41 pickup 4 cyl. I don't think he has installed them yet. I love it. Wish I was 40yr's younger. Walt

06-20-2014, 11:35 AM	#6
19Fordy Senior Member Join Date: May 2010 Location: Coral Springs FL Posts: 10,951	Re: Rear axle ratio Sponsored Links (Register now to hide all advertisements) Brooks, You can also determine rear axle ratio by doing this: http://www.btc-bci.com/~billben/reargear.htm It would be a good way to double check if it still has 9-40 gears.

06-21-2014, 02:19 PM	#7
B-O-B Senior Member Join Date: May 2010 Location: Ft Mohave,Az Posts: 1,987	Re: Rear axle ratio Walt, I would settle for 20 years younger. You guys are sure greedy HELL I'd settle for just 5 years younger!!! I guess if you wish you might as go for the gold huh!!!