Bumpsteer kit users, how do you deal with the spindle? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 4 Old 10-24-2005, 11:52 PM Thread Starter
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Bumpsteer kit users, how do you deal with the spindle?

I had this thread in 94/95, but it wasn't really going anywhere:

The bumpsteer kit I have uses a 5/8" bolt without taper. after talking to a machine shop, they said all they could do was use a drill and drill through it to 5/8". A few members on here said it had to be reamed, but the machinist felt there was no way.

he felt that even a good corded drill and a sharp 5/8" bit (which i have) could do it. I just need more opinions before I screw anything up.


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post #2 of 4 Old 10-25-2005, 01:21 AM
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Chris,

Reaming to the exact size would be better if you were using a precision bolt, which you probably aren't. No matter what you do, you aren't going to end up with a zero clearance fit between the shank of the bolt and the ID of the steering arm hole. If you really want to get the hole the exact size, get a drill bit that is 0.010" under 5/8" a drill the arm with it. Then ream the hole with a 5/8" reamer.

My advice is to find someone with a variable speed drill press that can turn very low rpm. Clamp the spindle to the table and drill very slowly with very light pressure. Make sure to put a chamfer on the ID of the hole afterwards so that the bolt head will seat against the steering arm properly.


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Last edited by Jack Hidley; 10-25-2005 at 11:43 AM.
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post #3 of 4 Old 10-25-2005, 09:02 AM
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Quote:
Originally Posted by Jack Hidley
Chris,
My advice is to find someone with a variable speed drill press that can turn very low rpm. Clamp the spindle to the table and drill very slowly with very light pressure. Make sure to put a chamfer on the ID of the afterwards so that the bolt head will seat against the steering arm properly.
These two comments cannot be stressed enough. This is not a job for a hand drill but a machinist with a drill press should be able to do this for $10 a pop. It's a very simple job.

particularly non-stock 99 Cobra w/brand C motor...
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post #4 of 4 Old 10-26-2005, 12:08 AM
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this procedure really needs a drill press. be careful to set the spindle up square in an appropriate vise so that your hole is accurate. ...good luck!

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