Kick down linkage.
Thread Starter
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Laughing Gas
Joined: Jan 2012
Posts: 1,106
Likes: 25
OK picture time.
Here is how my linkage's look closed.
[IMG]
[/IMG]
[IMG]
[/IMG]
This is with throttle all the way open, and the trans lever all the way down.
[IMG]
[/IMG]
[IMG]
[/IMG]
This is open throttle, with the trans lever spring adding up pressure.
[IMG]
[/IMG]
So how does it look?
Anything look out place on this setup?
I just got done screwing in the screw all the way when i took these pics.
Before there was at least a 1/4" gap between the lever and head of the screw.
Before that it was screwed in all the way, so either way, it wont help make it shift at 60mph.
Here is how my linkage's look closed.
[IMG]
[/IMG][IMG]
[/IMG]This is with throttle all the way open, and the trans lever all the way down.
[IMG]
[/IMG][IMG]
[/IMG]This is open throttle, with the trans lever spring adding up pressure.
[IMG]
[/IMG]So how does it look?
Anything look out place on this setup?
I just got done screwing in the screw all the way when i took these pics.
Before there was at least a 1/4" gap between the lever and head of the screw.
Before that it was screwed in all the way, so either way, it wont help make it shift at 60mph.
Rusty Roller
Joined: Oct 2011
Posts: 1,423
Likes: 5
From: Santa Cruz Mountains
Thread Starter
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Laughing Gas
Joined: Jan 2012
Posts: 1,106
Likes: 25
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Joined: Feb 2004
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From: The Shenandoah Valley
My '77 w/351M & C-6 has always kicked down from 3 to 2 at 55-60 if I punch it. On these transmissions, you want full throttle at about same time as kick down rod linkage stops. When I went from factory 2bbl / intake to Edelbrock Performer and Holley 650 in 1987 I had to make an extension for the linkage. I used a piece of steel with two holes, near an inch apart , each hole is 5/16" diameter and one deburred. I used other hole to fasten extension to KD rod with a 5/16" bolt and nut.
It alowed me to adjust and it worked with my newer Edelbrock 1405 600 carb too. It was meant for a 2bbl carb, the 4bbl intake moved the primaries forward as now there were secondaries .... so stock link is short.
It alowed me to adjust and it worked with my newer Edelbrock 1405 600 carb too. It was meant for a 2bbl carb, the 4bbl intake moved the primaries forward as now there were secondaries .... so stock link is short.
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Laughing Gas
Joined: Jan 2012
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Likes: 25
I have the stock 2v carb tho, that's why i don't understand why my rod is to short ( easy fellas
).
Hopefully here shortly, I'll be switching over to a 4v manifold and carb, so I'll need the extension anyways.
I just want the dang thing to work like it should, anything under 60 and she'll kick down, but if I'm over 60 she wont.
).Hopefully here shortly, I'll be switching over to a 4v manifold and carb, so I'll need the extension anyways.
I just want the dang thing to work like it should, anything under 60 and she'll kick down, but if I'm over 60 she wont.
Senior User
Joined: Aug 2012
Posts: 308
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what does it mean, by insert a .60 spacer? not sure what it means by inserting the spacerr
) I'm turning 2700 @ 60mpg and when I put it to the floor she jumps to 4200rpm and kicks out into third @ 75mpg. C-6 4.10 & 33's 
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