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 11Likes
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2
Post By ALF
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5
Post By CompClassics
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2
Post By 1985 CCX
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2
Post By MOTORHEAD
10-26-2021, 05:39 PM
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CC Member
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Join Date: Feb 2001
Location: BRADENTON,
FL
Cobra Make, Engine: KIRKHAM 427 S/C, SHELBY 427 ALUM. STROKER
Posts: 1,396
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Not Ranked
weber linkage
Greetings fellow weber masochists :
I have the bellcrank centered on the intake with two short rods going to the L & R master carb, a kit from Peirce Manifolds.
When I try to sync the master & slave with the slave rod the adjustment goes fast when I tighten the lock nuts due to accumulated slop in the threads and the cup & ball joints.
Any one have a cure or procedure for this, or know where I might find a better quality linkage ? ( forget Peirce, they only sell what I have )
__________________
"When Injustice becomes Law,
Rebellion becomes Duty." T. Jefferson
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10-27-2021, 12:56 AM
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CC Member
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Join Date: May 2008
Location: Brisbane,
QLD
Cobra Make, Engine:
Posts: 2,797
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Not Ranked
This is type I have from Dale, easy to set up, zero slop.
https://www.ebay.com/itm/36315424423...IAAOSwTbBflY-Y
__________________
Gary
Gold Certified Holden Technician
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10-27-2021, 01:06 AM
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CC Member
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Join Date: Sep 2003
Location: Switzerland,
CH
Cobra Make, Engine:
Posts: 536
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Not Ranked
This is the linkage I got provided by CompClassics.
Different mounting approach, but main linkage should be the same.
It works perfect!
__________________
Driving with your Cobra is fun,
Racing with your Cobra is amazing,
Driving hill-climbing races with your Cobra is.... HAVEN!! 
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10-27-2021, 04:55 AM
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CC Member
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Join Date: Aug 2013
Location: Canandaigua,
NY
Cobra Make, Engine: SPF MKII Riverside Racer FIA
Posts: 2,499
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Not Ranked
What Alf has looks fairly similar to what I have from Jim Inglese. No slop in mine. I did have to add a brace to the bracket coming up from the head as I had to add an additional return spring for racing and that added just enough additional torque to bend the bracket slightly under hard acceleration. With the brace, no more of that.
Jim
__________________
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10-27-2021, 09:44 AM
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CC Member
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Join Date: Feb 2013
Location: Carlsbad,
Ca
Cobra Make, Engine: SAI FIA, 289HP (5-bolt), 48IDA Webers
Posts: 1,244
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Not Ranked
The linkage is the most critical component Of the Weber system, you will be an extremely frustrated Weber owner otherwise. We have reproduced the original Shelby race team fabricated assembly for both the “opposed” manifold type and the “parallel” manifold type and use all the original specification rod ends and hardware that Shelby’s race team used.
My email, jkb5 at sbcglobal.net
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10-27-2021, 02:34 PM
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CC Member
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Join Date: Feb 2001
Location: BRADENTON,
FL
Cobra Make, Engine: KIRKHAM 427 S/C, SHELBY 427 ALUM. STROKER
Posts: 1,396
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Not Ranked
Gaz 64: thanks for the link, that's what I'm looking for. Waiting for a call back now to determine sizes.
ALF: Thanks for the photo. That's quite the linkage, I'll ck with Comp Classic about it.
1795: Inglese doesn't have a center bellcrank type on the shelf. his are all made to order.
been there, done that !
__________________
"When Injustice becomes Law,
Rebellion becomes Duty." T. Jefferson
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10-28-2021, 06:54 AM
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Senior Club Cobra Member
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Join Date: Mar 2005
Location: Manchester,
NH
Cobra Make, Engine: AK1085 (302 Street), HTM111 (427 Comp), CSX2375R (289 Comp) and COB5999 (427 S/C)
Posts: 19,011
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Not Ranked
John's system is the best and it is period correct.
Say, two birds with one stone.
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10-28-2021, 08:36 PM
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CC Member
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Join Date: Feb 2001
Location: BRADENTON,
FL
Cobra Make, Engine: KIRKHAM 427 S/C, SHELBY 427 ALUM. STROKER
Posts: 1,396
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Not Ranked
Found the links I needed, from "Alky Digger'" a cool site in Nashville, specializing in blowers, old school hilborn injection , vertec magnetos, etc.
Should have them by sat.
__________________
"When Injustice becomes Law,
Rebellion becomes Duty." T. Jefferson
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11-04-2021, 09:11 AM
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CC Member
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Join Date: Feb 2001
Location: BRADENTON,
FL
Cobra Make, Engine: KIRKHAM 427 S/C, SHELBY 427 ALUM. STROKER
Posts: 1,396
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Not Ranked
Well they didn't show up on sat (paid for 2nd day air ) as they missed the truck from Orlando to Sarasota. They finally made it here @ 8PM on tues. Then to add insult to injury,
the agent at the ups store said that due to transportation problems, they were not guaranteeing delivery on UPS Blue, only on O'night RED. so no refund on blue,
So don't use the Blue !
But got the hex rod, heim jointed links installed, (required some minor mods to bellcrank mounting ) adjusted and all seems good after test run.
Now back to the previous program. (Jetting )
__________________
"When Injustice becomes Law,
Rebellion becomes Duty." T. Jefferson
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11-04-2021, 11:05 AM
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CC Member
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Join Date: May 2021
Location: Nola,
LA
Cobra Make, Engine: Superformance, Roush 392AL
Posts: 6
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Not Ranked
I for one would be interested in seeing a few pictures of the new installation.
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11-05-2021, 07:07 AM
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CC Member
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Join Date: Feb 2001
Location: BRADENTON,
FL
Cobra Make, Engine: KIRKHAM 427 S/C, SHELBY 427 ALUM. STROKER
Posts: 1,396
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Not Ranked
weber linkage
pics of linkage.
__________________
"When Injustice becomes Law,
Rebellion becomes Duty." T. Jefferson
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11-05-2021, 05:16 PM
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CC Member
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Join Date: May 2008
Location: Brisbane,
QLD
Cobra Make, Engine:
Posts: 2,797
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Not Ranked
Looks good, should be easy to sync, and stay in sync.
__________________
Gary
Gold Certified Holden Technician
Last edited by Gaz64; 11-07-2021 at 03:33 PM..
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11-06-2021, 09:20 AM
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CC Member
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Join Date: May 2021
Location: Nola,
LA
Cobra Make, Engine: Superformance, Roush 392AL
Posts: 6
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Not Ranked
Thanks for posting photos of your linkage.... it looks solid for sure.
I'm always interested in seeing how different people setup their linkage. Once I fabricated a bellcrank with the pull arm slightly longer (1.5/1) my tip-in has a very light feel in the accelerator pedal and still fully opens the blades.
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