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Kirkham Motorsports

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  #21 (permalink)  
Old 12-30-2020, 11:08 AM
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Cobra Make, Engine: ERA, 428, 4 speed Toploader, Jag rear, Red with White stripes
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ERA 626: only if your linkage gets stuck...LOL

Yes Paul, as we discussed while looking at all the pics, I totally lucked out in all respects. The end result could have been so much worse
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  #22 (permalink)  
Old 01-01-2021, 01:08 PM
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Quote:
Originally Posted by NROTOXIN View Post
Is the Morrison unit engineered or designed to utilize a throttle cable?
yes. kjn;
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  #23 (permalink)  
Old 01-01-2021, 01:10 PM
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Quote:
Originally Posted by 1985 CCX View Post
I have both cable and linkage each in my two cars. The linkage has been way easier to control and keep tuned. The cable stretch's and then reqiures attention now and then. I do lubricate each rod end with a drop of oil annually as it takes about 3 minutes. Then I check for play or bind, top quality components are key I think as is looking things over once or twice a year.

Both work, if your linkage in a Cobra catch's on the hood your setting it up wrong.
Call John Bessey! He has a bunch of experience with linkage.
where did you get that do hicky that changes the push to a pull? Thats what I need
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  #24 (permalink)  
Old 01-01-2021, 01:59 PM
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My simplest solution:

Add an arm on the throttle pedal (inside the footbox) pointing toward the driver, angling it down about 45 degrees. It should have a slot that will retain a cable end.

On the top of the footbox (or maybe on the throttle pedal frame) put a receptacle and stop for the cable. The angle should match the arm on the pedal. Depending on how the guide is designed, it may be necessary for a cable end be installed after the cable passes through the footbox.

With that setup, all you need is simple cable from the pedal to the throttle body.
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Old 01-01-2021, 02:13 PM
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ERA 626,

That is a bell crank, it changes the motion it is similar to the bell crank in the middle of your manifold.
If you are set on having a cable actuation you need to come up with something at the pedal assembly that accepts the cable end.
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  #26 (permalink)  
Old 01-01-2021, 02:17 PM
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Like strictlypersonl said.

Take some time to study the Lokar throttle linkage website for instructions and ideas.

Particularly, look at the Lokar Borla linkage instructions to see the cable to pulley/capstan assembly pictures.

I believe pulley systems are very sensitive to the angle the cable approaches the pulley and the alignment/stability of the cable as it approaches the pulley also.

Again, look at the Lokar Borla cable instructions.

Cheers
Greg

Last edited by my427cobra; 01-02-2021 at 08:42 AM..
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  #27 (permalink)  
Old 01-01-2021, 02:21 PM
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Take a look at this pic from the Lokar Borla cable instructions.

Cheers
Greg
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