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  need HELP carb kickdown linkage

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Author Topic:   need HELP carb kickdown linkage

Posts: 29
From: TX, USA
Registered: Apr 2004

posted 06-11-2005 06:02 AM     Click Here to See the Profile for 68GEETEE     Edit/Delete Message   Reply w/Quote
I have an '83 V6, automatic. It had a 4bbl holley on it when I bought it last month, so yesterday I installed the correct 2 bbl Motorcraft carb. The new carb did not have the linkage to connect the kickdown lever for the trans, so i took the one from the Holley. My question is, where the kickdown lever connects to the pivot linkage, should this connection be tight, or allowed to move? I ask because when I drove it home last nite, the trans kept upshifting severely. It was fine before the carb swap, please help.

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Posts: 1539
From: Greenbrier, TN USA
Registered: Oct 99

posted 06-11-2005 11:33 PM     Click Here to See the Profile for DidgeyTrucker   Click Here to Email DidgeyTrucker     Edit/Delete Message   Reply w/Quote
I haven't worked on your particular combination but.....

I have swapped 4V carbs for 2V carbs. The (solid rod type) linkage for a 4V is longer that for a 2V carb. If you put a 2V carb where a 4V carb was, the solid rod style linkage wll always be pushing on the trans arm - keepiing the trans in kickdown mode. This would make upshifts late and hard.

If yours has a cable type linkage this might also apply somehow. At the trans end the arm doesn't move a whole lot. It only needs to hit it's stop when the carb is at wide open throttle.


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