5 speed shifter ball size

Sammieizzy

Not-quite-so-new-guy
Sep 11, 2021
12
3
Hi I want to put a hurst handle on my 78 cutlass 5 speed
Does anyone know the thread size I’m used to the older 60s car
plus I would like to put a console in this any ideas
thanks
steve
 

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carnutjw

Master Mechanic
Supporting Member
Sep 17, 2017
415
93
If you just want to change the ball, there's more than one size available, need to confirm what your current thread size is. Browse the Holley website for balls or sticks=

 
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ssn696

Living in the Past
Supporting Member
Jul 19, 2009
5,039
113
Permanent Temporary
I use a thread pitch gage out of my tap and die set in cases like this. Stand by for metric…
 
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Red78Calais4speed

Greasemonkey
Feb 16, 2013
102
43
Leominster, Massachusetts
Is the 5-speed in your car from the factory or a later conversion? The factory T-50 5-speed was available from 1976 to 1979 in the Cutlass models. The shifter used was an internal rail system with no exterior linkage. The stick was fairly thick and the shifter ball on top was a press fit, not a screw-on, unless the shaft was modified to accept a screw-on knob.
 
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oldsmobile joe

Royal Smart Person
Nov 12, 2015
1,770
113
mpls
both, my 78 salon and 79 calais, have threaded shifter shafts that i was able to mount new aftermarket knobs onto. i don't remember the thread size or pitch. the generic knobs came with the correct shift pattern and a selection of adapter inserts to mount the new knobs. i'll see if i can find more info or pics.
 
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Sammieizzy

Not-quite-so-new-guy
Thread starter
Sep 11, 2021
12
3
Is the 5-speed in your car from the factory or a later conversion? The factory T-50 5-speed was available from 1976 to 1979 in the Cutlass models. The shifter used was an internal rail system with no exterior linkage. The stick was fairly thick and the shifter ball on top was a press fit, not a screw-on, unless the shaft was modified to accept a screw-on knob.
The transmission was changed to A tremec 5 speed from the factory 5 speed
 

oldsmobile joe

Royal Smart Person
Nov 12, 2015
1,770
113
mpls
Does anyone know the thread size I’m used to the older 60s car
The transmission was changed to A tremec 5 speed from the factory 5 speed
You will need to remove your current shifter ball and measure. I see you have a hurst shifter lever. idk if they kept it all the same or if there were different sizes.
 

carnutjw

Master Mechanic
Supporting Member
Sep 17, 2017
415
93
Are you wanting a T handle?
 

Sammieizzy

Not-quite-so-new-guy
Thread starter
Sep 11, 2021
12
3
Are you wanting a T handle?
Thanks everyone I took it off today just a nut locking in place
Thanks for all the help
 

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