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Old 04-15-2025, 12:06 AM   #1
panhead_pete
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Default 3.54 ratio stock in an axle

Did any of the V8 banjo rears come stock with a 3.54 gearset?

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Pete
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Old 04-15-2025, 03:34 AM   #2
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Default Re: 3.54 ratio stock in an axle

Yes! I'm no expert, but 11-39 is 3.54:1
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Old 04-15-2025, 05:37 AM   #3
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Default Re: 3.54 ratio stock in an axle

To the best of my knowledge most of the 1946 cars.
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Old 04-15-2025, 06:48 AM   #4
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Default Re: 3.54 ratio stock in an axle

A 3:78 to 1 was offered in 1932 4cyl's and starting in 1934 a 3:54 to 1 was available in both passenger & commercial vehicles.....starting in 1937 3:54's were offered with the 85Hp only....NOT the 60hp.
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Old 04-15-2025, 07:18 AM   #5
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Default Re: 3.54 ratio stock in an axle

Sorry for the blurry edge scan but this starts 1932 at the top through 1938
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File Type: jpg AxleRatios.jpg (46.0 KB, 45 views)
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Old 04-15-2025, 07:45 AM   #6
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Default Re: 3.54 ratio stock in an axle

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I think the OP wanted to know if the 3.54 was factory installed at time of purchase. IMO it was special order or dealer installed.I did at one time in the last century have a 33,34 center banjo section with 3.54's and it was stamped that way from new I imagine.
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Old 04-15-2025, 08:44 AM   #7
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Default Re: 3.54 ratio stock in an axle

My 1936 Touring Sedan has one. I bought it in Texas in 2003. I'm pretty sure it was never changed, judging from the rest of the car.
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Old 04-15-2025, 09:35 AM   #8
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Default Re: 3.54 ratio stock in an axle

Many '42 - '48 Mercuries were equipped with 3:54 gears from the factory.
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Old 04-15-2025, 04:55 PM   #9
panhead_pete
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Default Re: 3.54 ratio stock in an axle

Thanks all. It would be going under an AV8 so Im open to most years of rear although preferably 39 up for the juice brakes. Will keep my eyes open for 11-39 stamps.
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Old 04-15-2025, 08:32 PM   #10
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Default Re: 3.54 ratio stock in an axle

39 and up brakes will bolt on to any old Ford rear axles back to the A’s.
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Old 04-15-2025, 10:56 PM   #11
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Default Re: 3.54 ratio stock in an axle

My '41 Merc has stock 3.54 gears in the banjo.
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Old 04-16-2025, 07:21 AM   #12
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Default Re: 3.54 ratio stock in an axle

Quote:
Originally Posted by alchemy View Post
39 and up brakes will bolt on to any old Ford rear axles back to the A’s.
The backing plates will bolt on to an earlier axle housing, but they may not be clocked correctly ( the wheel cylinder will not be level, making it hard to bleed the brakes). I know '32 - '34 are that way.
Tom
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Old 04-16-2025, 02:30 PM   #13
Steve Staysko
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Default Re: 3.54 ratio stock in an axle

I just had Strong's Garage changed out the 4.10 gear set in my 34 roadster to 3.54 and wow what a difference its a totally different car to drive, at 60 the engine purrs along with much lower rpm.
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Old 04-16-2025, 02:33 PM   #14
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Default Re: 3.54 ratio stock in an axle

Quote:
Originally Posted by Steve Staysko View Post
I just had Strong's Garage changed out the 4.10 gear set in my 34 roadster to 3.54 and wow what a difference its a totally different car to drive, at 60 the engine purrs along with much lower rpm.
Did the same on our 1932 20+ years ago, same report, same results!!
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Old 04-16-2025, 09:28 PM   #15
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Default Re: 3.54 ratio stock in an axle

Quote:
Originally Posted by hotcoupe View Post
The backing plates will bolt on to an earlier axle housing, but they may not be clocked correctly ( the wheel cylinder will not be level, making it hard to bleed the brakes). I know '32 - '34 are that way.
Tom
I have 40 brakes on the stock rear axle in my 32, and they work great. No modifications at all.
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Old 04-20-2025, 07:33 AM   #16
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Default Re: 3.54 ratio stock in an axle

Be careful with the 39-41 Mercury axles with 3.54 gear sets. The driveshaft and pinion gear are one very long part with no coupler. I have been told you can cut the drive shaft off at the correct length and have splines machined into the pinion gear, but I have never done it myself.
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