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Old 04-28-2019, 09:01 AM   #1
jkflathead
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Default 1935 Coupe Rear Spring

My '35 three window is sitting too tall in the rear by about 3 inches. I have a Columbia rear end with a 7 leaf spring. I recently crawled under Joe Floyd's '36 three window at the Early Ford V-8 Museum in Auburn Indiana and counted the leaves. It had a seven leave spring as well but was sitting 3 inches lower. What is the problem? Are there different, 7 leaf springs with different thicknesses in the individual leafs? My Columbia came with the seven leaf spring. It was in a 35 pickup. I thought that, because it had seven leafs is would work. Any advice would be appreciated.
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Old 04-28-2019, 10:25 AM   #2
Kube
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Default Re: 1935 Coupe Rear Spring

There are many different configurations of springs. Also, even if the springs in question were identical, they may not be now. One may have been NOS, installed just recently and one may have been supporting the weight of the car for decades.

Too tall you say? Too tall compared to what?
Do you have the authentic tire diameter on this car?
Do you want this car to sit as it was designed to? If so, there are drawings that clearly indicate proper height.

Also, both Jack's and your springs are wrong - period...
They should be ten leaves, not seven.

So, back to my initial questions... just what height are you looking for? It seems to me anyway that "stock" is not what you have in mind.
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Last edited by Kube; 04-28-2019 at 12:35 PM.
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Old 04-28-2019, 10:32 AM   #3
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Default Re: 1935 Coupe Rear Spring

I would make a guess that if the rear end under your car came from a pickup, the spring is a heavy duty unit, in lieu of being a passenger car spring.
I also wonder ?, is the Columbia you have a correct 35-36 unit or has it been built up from later model parts?
My '36 had a Columbia when I bought the car in '52. Did not like the early units so I replaced it with a '42-48, which is actually a '48 with the stock sway bar attachments. I used the '36 banjo/drive-line with the '48 spring. Everything bolted together with no problems. The ride height is perfect, matching up quite well with the 2" dropped front axle.
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Old 04-28-2019, 10:43 AM   #4
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Default Re: 1935 Coupe Rear Spring

Hi Everyone, jkflathead you might want to flip through this thread and check some of the photos. There are a few pics of '36's and their ride heights are shown with a few variations.

https://www.fordbarn.com/forum/showt...8053&showall=1
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Old 04-29-2019, 04:32 PM   #5
jkflathead
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Default Re: 1935 Coupe Rear Spring

Kube, Yes stock height is what I have in mind. I can't find that measurement in the V-8 Club book or on line. What is the distance from floor to center of the fender on your '35? I have 600x16 tires. I think that 29" is about right but I'd like to know factory specs. Thanks.
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Old 04-29-2019, 05:48 PM   #6
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Default Re: 1935 Coupe Rear Spring

Quote:
Originally Posted by jkflathead View Post
Kube, Yes stock height is what I have in mind. I can't find that measurement in the V-8 Club book or on line. What is the distance from floor to center of the fender on your '35? I have 600x16 tires. I think that 29" is about right but I'd like to know factory specs. Thanks.
This information helps a LOT.

Okay, from ground level to the center (highest point) of each fender opening you should have 29".

The very highest point of your roof (again, from ground level) should
be 60 1/2".

If you desire stock height, I strongly suggest you install NOS springs. NOT reproductions but actual Ford OEM - new old stock. Not only will the height be restored to what was designed but your ride will also see a significant improvement.

By the way, I've never heard of a seven leaf spring in any flathead Ford passenger car.
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Old 04-29-2019, 08:52 PM   #7
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Default Re: 1935 Coupe Rear Spring

Thank you all. I'm spring shopping. jk
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Old 04-29-2019, 09:16 PM   #8
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Default Re: 1935 Coupe Rear Spring

Going from memory here (haha). I think Don Rogers' 35-36 book has a list of the different spring packs for all the models. There were different number of leaves for a few of them. Get it from the V-8 club site's store if you don't already have three copies.
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