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Old 08-19-2025, 06:35 PM
Held for Ransom's Avatar
Held for Ransom Held for Ransom is offline
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Default Shifter knob - 1973

In a previous thread there was talk about jam nuts and shifter balls [ https://forums.maxperformanceinc.com...d.php?t=881173 ].


I had to get the assembly manual out the other day and while looking thru it, I noticed there was no ball knob listed. Was mine replaced by the other owners [OG (deceased) or brother] and I'm suppose to have the 3 speed version of the 4 speed knob, which would explain jam nut?

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Old 08-19-2025, 07:13 PM
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65madgoat 65madgoat is offline
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1973 F body manual with a 3 speed?

I would expect it to have this one if a 3 speed:


https://www.ebay.com/itm/225404022990
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Last edited by 65madgoat; 08-19-2025 at 07:18 PM.
  #3  
Old 08-29-2025, 03:56 PM
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unruhjonny unruhjonny is offline
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incase it needs to be said, the jam nut was only used with the simulated leather knobs;
The oversized black knobs (which I believe would be OEM for a 1973 3-speed) would NOT use a jam nut.

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1970 Formula 400
Carousel Red paint on Black standard interior
A no-engine, no-transmission, no-wheel option car.
Quite likely one of few '70 Muncie three speed Formula 400's left.


1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing)
2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs)
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Old 09-16-2025, 07:55 PM
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The fact that there was a jam nut is why my thinking is it had the simulated leather knob.

Here is the black ball I pulled off...
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