Shifter knob hole/thread size?

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May 10, 2002 | 09:57 AM

CharlieF

Thread Starter

Racer

Joined: Jul 2001

Posts: 260

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From: Ipswich, MA

Shifter **** hole/thread size?

I'm modifying a shift **** to fit my 82. Whats the thread/hole size I should drill into it to fit the shifter stalk threads? what I need is the tap size....

Thanks

[Modified by CharlieF, 8:58 AM 5/10/2002]

May 10, 2002 | 01:01 PM

Armstrong

Burning Brakes

Joined: Dec 2001

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From: GA

Re: Shifter **** hole/thread size? (CharlieF)

I think I used 5/8 18 tpi nf for my 81 when I made my **** but get a bolt that size and try it on your **** first before you do anything just to be on the safe size.

May 10, 2002 | 01:09 PM

SprintCarDriver

Racer

Joined: Mar 2001

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From: Southlake, Texas, USA

Re: Shifter **** hole/thread size? (CharlieF)

I think Armstrong is correct but I do have the tap @ the house, so if you can wait, I will find it and email you tonight :yesnod:

May 10, 2002 | 02:02 PM

CharlieF

Thread Starter

Racer

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From: Ipswich, MA

Re: Shifter **** hole/thread size? (Armstrong)

Quote:

I think I used 5/8 18 tpi nf for my 81 when I made my **** but get a bolt that size and try it on your **** first before you do anything just to be on the safe size.

Thanks...the problem is my old **** is made of wood and was just pressed on.....I will get a nut that size and see if it fits the shifter threads.

May 10, 2002 | 02:02 PM

CharlieF

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Racer

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From: Ipswich, MA

Re: Shifter **** hole/thread size? (SprintCarDriver)

Quote:

I think Armstrong is correct but I do have the tap @ the house, so if you can wait, I will find it and email you tonight :yesnod:

That would be great......... thanks.

May 11, 2002 | 12:50 AM

CharlieF

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Racer

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From: Ipswich, MA

Re: Shifter **** hole/thread size? (CharlieF)

ttt

May 11, 2002 | 01:29 AM

tsw71

Drifting

Joined: Mar 2001

Posts: 1,396

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From: Indiana

Re: Shifter **** hole/thread size? (CharlieF)

I'm not sure if yours is different than the early C3s, but the thread for the early C3 manual cars is 9/16-18. I can't remember for sure, but I believe that is also the same for the auto shifters too.