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Old 04-15-2007, 01:14 PM
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Help on mocking steering components

I would like to know the right way to mock up a 32" steering column, steering shafts and u joints in a 33 ford 3 window coupe. It has a Chevy 350 small block with block hugger headers and a TH350 transmission. It has a pinched nose and is chopped and channeled. Any help will be greatly appreciated. Thanks. Bob

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Old 04-15-2007, 01:26 PM
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There's a pretty good article in the Crankshaft Coalition on how to install a column.

Don
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Old 04-15-2007, 11:45 PM
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I usually get the U joints I'm going to use, and some 3/4" wooden dowel and set up all of my lengths with the dowels. It is easier to cut wood till everything fits then cut the steel shafting to fit perfect. I have been using Maval U-joints on alot of the things I've done lately. I like the clamping method of attachment they use better than the setscrew method that Borgeson and Flaming river uses on their U joints. Also you can have up to a 40* operating angle with the Mavals as opposed to a 35* max on the borgesons.

Most of those 34's use 3 U joints and a support bearing if you want to keep the column fairly centered under the steering wheel. I usually put the support bearing in the motor mount bracket for a clean look.

Here is some pics of the mockup I did on a 40 ford a while back.


Hope this helps, mikey
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Old 04-16-2007, 07:44 AM
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Use 3/4" or 1" wooden dowels with duct tape to simulate U joints. Cut a circle from cardboard for your steering wheel. Have your seat in place and with this setup you can determine how many U joints you will need, how long intermediate shafts need to be, and even the size of the column drop. I would advise going with 3 U joints and a center support bearing. That setup will make a very stable steering system.

Vince
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Old 04-16-2007, 03:51 PM
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If you have a straight axle front end ... you most likely only need 2 joints ...





Most IFS with a rack and pinion require 3 joints ...
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Old 04-17-2007, 06:01 PM
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Thanks for info on mocking up steering shaft

Thank you so much for this information. Extremely helpful as I try to find the best solution. I think I am on the right track based on your responses and suggestions. I started a project journal to show you pictures of what I am faced with. I am not sure about the angle as it is at approximately 40 degrees from the column to the u joing. From there to the rack and pinion is fine at about 15 degrees or so. Don't know if this will work. They are Flaming River u joints.

Thanks again.
Bob
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Old 04-17-2007, 07:41 PM
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Try to position the shafts so you don't have more than 30* or they will bind.
http://www.flamingriver.com/p_view_i..._Tech_Tips.gif
See item # 2 under reference application chart for the flaming river max operating angle.

I made a couple of dedicated setup gauges to measure the angle of the u joint. they are only sheetmetal cut with tin snips, but they do the job.
If you do have to go past 30* with them and experience some bind, you can put the joints out of phase by 22 degrees or so, (2 or 3 splines on a 36 spline shaft, harder to do with a DD unless you are machining the shafts yourself), and eliminate some of the bind. Or use a double u joint that will go to 60*.

You need to use a support bearing with the doubles.



(In case you are wondering,the other gauge in the pic is a home made master cylinder to booster clearance gauge I made)

Later, mikey
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