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Adjusting Kickdown Linkage to Lower Shift Point? #344982
06/12/09 03:15 PM
06/12/09 03:15 PM
Joined: Jan 2003
Posts: 693
Dunnellon, FL
longram60 Offline OP
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longram60  Offline OP
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Dunnellon, FL
Can the kickdown linkage be used to lower the wide open throttle shift point? Last year I relaced the governor on my BB /'65 tranny to raise the shift point. I installed a max wedge piece, and this raised my shift point at WOT from about 4500 rpm to 6000 rpm. I would like to lower this to about 5500-5700 rpm. Can this be done by shortening the linkage slightly?


1979 AMC Spirit, NHRA Q/SA
Re: Adjusting Kickdown Linkage to Lower Shift Point? [Re: longram60] #344983
06/12/09 05:18 PM
06/12/09 05:18 PM
Joined: Oct 2007
Posts: 3,903
Oregon
hooziewhatsit Offline
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hooziewhatsit  Offline
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Oregon
yep, I believe by shortening it should lower the shift point. Just keep adjusting it until it's where you want it.


If you ever find yourself in a fair fight, your tactics suck.
Re: Adjusting Kickdown Linkage to Lower Shift Point? [Re: longram60] #344984
06/12/09 07:43 PM
06/12/09 07:43 PM
Joined: Nov 2006
Posts: 1,459
oklahoma
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forphorty Offline
pro stock
forphorty  Offline
pro stock
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Posts: 1,459
oklahoma
I think WOT shift points are determined solely by the governor. Shortening the linkage would reduce line pressure, something i dont think you would want to do.

Re: Adjusting Kickdown Linkage to Lower Shift Point? [Re: forphorty] #344985
06/12/09 08:27 PM
06/12/09 08:27 PM
Joined: Feb 2005
Posts: 4,884
Michigan
MNobody Offline
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MNobody  Offline
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Michigan
I think WOT shift points are determined solely by the governor. Shortening the linkage would reduce line pressure, something i dont think you would want to do.


This was my guess also.

Re: Adjusting Kickdown Linkage to Lower Shift Point? [Re: MNobody] #344986
06/12/09 09:51 PM
06/12/09 09:51 PM
Joined: Jan 2003
Posts: 5,791
Hamilton, Ontario Canada
Magnum Offline
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Magnum  Offline
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Hamilton, Ontario Canada
I agree with this but minor adjustments will lower it.

A goververnor is the best way. Also more consistant with the linkage bottomed out but if you just want to lower the shift points across the board, shorten the rod.


69 Super Bee, 93 Mustang LX, 04 Allure Super
Re: Adjusting Kickdown Linkage to Lower Shift Point? [Re: longram60] #344987
06/13/09 07:41 AM
06/13/09 07:41 AM
Joined: Jan 2003
Posts: 693
Dunnellon, FL
longram60 Offline OP
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longram60  Offline OP
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Posts: 693
Dunnellon, FL
Thanks, not a consensus here. I know it has an effect on line pressure, so I wouldn't change it much. I'll do some testing.


1979 AMC Spirit, NHRA Q/SA






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