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Old 09-15-2021, 07:15 PM   #1
CA Victoria
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Default Spring Hangers Bent

Can someone provide the measurement from center to center of the spring hangers of a 37 rear axle for me?
I’ve checked two others and the straightest one measures 48 1/8”, the straightest cast spring hanger has about 3/8” clearance to the backing plate.

Must have been one heck of a ride to bend those things.

Thanks,
T.
Found the data, see info below......
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Last edited by CA Victoria; 09-15-2021 at 08:14 PM.
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Old 09-15-2021, 08:12 PM   #2
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Default Re: Spring Hangers Bent

Credit to: https://www.hotrodworks.com/technica...-measurements/

Rear Axle Assembly drum to drum width:
Width Spring mount eye to eye
Year
1928-1931 57.0″ 49.5″
1932-1934 57.75″ 47.5″
1935-1936 59.5″ 48.25″
1937-1941 59.5″ 48.5″
1942-1948 61.0″


NOTE: These width dimensions were measured with 1940 style brakes. Mechanical brakes may differ.
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Old 09-15-2021, 08:15 PM   #3
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Default Re: Spring Hangers Bent

Tim, that is tough to measure with a tape measure in bad light, but mine is measuring about 48", could be 48 1/8". I didn't try to measure the dimension to the backing plate, I can get that tomorrow.

There is an article from Street Rodder magazine that has been posted on here showing some of the critical dimensions to help with identifying the different Early Ford axles and suspension parts. It may have the dimension you are looking for. I will see if I can find a link to that article.

Found it, see post #11 in this link.
https://www.fordbarn.com/forum/showt...=street+rodder

Last edited by Zeke3; 09-15-2021 at 08:21 PM. Reason: added link
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Old 09-15-2021, 09:25 PM   #4
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Default Re: Spring Hangers Bent

Here is the link Zeke shared, it opens full size.

http://goldengatev8.org/images/Stree..._magazine.html
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Old 09-16-2021, 08:50 PM   #5
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Default Re: Spring Hangers Bent

Problem I have seen with these measurements, that are almost never consistent. Everyone seems to measure differently.
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Old 09-16-2021, 10:57 PM   #6
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Default Re: Spring Hangers Bent

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I agree with this ^^^. most important would be to check that they are square with the center line of the axle, so the spring eyes can travel correctly, and, not likely, but they should be about the same distance from the backing plates, and/ or the center of the drive shaft so the body will sit level
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Old 09-16-2021, 11:29 PM   #7
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Default Re: Spring Hangers Bent

The problem: bent spring hangers.
Moving toward a solution required finding a data point to begin with using credible sources.
The two sources citied were spot on. The initial measurement provided has given the starting data point to adjust the hangers to.

The castings when assembled into the axle do not have many machined surfaces to use as reference points to measure from, using the center section and spring hanger bolts to measure from/to got it to a point where they were square with the housing and spring and assembly could be done. Symmetry was also balanced off of the centerline negating needing to consider the backing plate to hanger distance. Once the chassis is weighted with the body I can remeasure on a level slab to validate the adjustments.
Moving the hangers was done using a spring spreader (with an 8 tpi screw) while heating to move the hanger in small increments until a +/-0 measurement was achieved.

“TooMater” may make it to the RPM Nationals yet!
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