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Old 10-17-2011, 02:10 PM
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32 ford crossmember advice

i just bought a 32 ford cross front crossmember from speedway. getting ready to weld it on my 36 chevy truck frame. advice?thanks

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Old 10-17-2011, 02:18 PM
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Be sure to set the angle of the crossmember to reflect the angle you want for the axle. Caster is very important.

Go here

http://en.wikipedia.org/wiki/Caster_angle

On my 32's I like to run about 6 degrees caster.

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Old 10-17-2011, 05:47 PM
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Randy is correct. You need to weld it in with the caster you'll need incorporated into its position. However, don't forget to also take the "rake" into account. If the car will have a 3*-5* rake you'll need to add that in as well.

As an example here's an illustration I did for my deuce to help me figure out how many degrees I would need. (The angles are a bit exaggerated just for illustration purposes.) This is not my car but it does have approximately the same rake I was planning.



The red line indicates the rake of the car while the green line shows "ground" level with 6* of caster. As you can see the rake adds to the amount of caster you need to set on your crossmember because it subtracts caster from the total. When I welded mine crossmember in I had 6* caster plus 3* more to account for the rake for a total of 9* on the crossmember. Total when the car is on the ground is 6* with this setup.



You also need to check your crossmember to see if it has a bit of caster built in... as mine did. Not sure if original crossmembers had that but some of the re-pops do for sure. If my memory serves mine had 4*-5* built in. Its not rocket science but this is just stuff you need to be aware of. I think you can see the built in caster in this pic.



Good luck.

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Old 10-18-2011, 06:41 AM
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also... remember ride height should be engineered into that crossmember to where your lower control arms are roughly parallel with the ground. Some guys think that is only a suggestion.... then they wonder why the car handles like a skateboard with a missing truck bushing The other thing i would suggest looking at is if you purchased a crossmember with a coil spring top hat, I would send that back and exchange it for a coil-over eyelet upper mount.

Tony....
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Old 10-18-2011, 07:25 AM
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Quote:
Originally Posted by Tony@AirRideTech
also... remember ride height should be engineered into that crossmember to where your lower control arms are roughly parallel with the ground.
Tony....

I strongly believe he is planning on a straight axle ... no A arms
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Old 10-20-2011, 10:38 AM
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Thanks guys! Im new to the street rod stuff. I am assuming that the radiator should be mounted above this also correct?
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