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Old 08-01-2020, 07:25 PM   #1
qmdv
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Default 1/4 inch hole in shifting tower sloppy

On my 39 transmission, the little 1/4" pin that the slot in the shift lever ball slides over and goes in the hole in the shifting tower is sloppy A letter F drill is perfect. I could cut of a little piece of an F drill and use that . I have been told that you should use softer steel than a drill bit. Can I heat the bit to cherry red and let it cool slowly to anneal it. Is that going to be soft enough
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Old 08-01-2020, 07:54 PM   #2
51 MERC-CT
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Default Re: 1/4 inch hole in shifting tower sloppy

Most drill bits have the chuck end softer than the cutting end. I personally
would not worry about using it, if it does the job (and without any heating)
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Old 08-01-2020, 08:11 PM   #3
alanwoodieman
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Default Re: 1/4 inch hole in shifting tower sloppy

I have seen those holes and the slots drilled/ground to fit 5/16" drill bits, I would prefer you use the drill bit as they last a long time
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Old 08-01-2020, 09:00 PM   #4
qmdv
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Default Re: 1/4 inch hole in shifting tower sloppy

Quote:
Originally Posted by alanwoodieman View Post
I have seen those holes and the slots drilled/ground to fit 5/16" drill bits, I would prefer you use the drill bit as they last a long time
5/16 seems extreme. I will use an F bit
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Old 08-02-2020, 07:59 AM   #5
Bored&Stroked
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Default Re: 1/4 inch hole in shifting tower sloppy

I see no reason to soften the pin - just use a cut-off wheel to carve a piece off the end of it .
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Old 08-02-2020, 01:50 PM   #6
Hal Beatty
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Default Re: 1/4 inch hole in shifting tower sloppy

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What B & S said... I did that on my shifter; works well.
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