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Holley linkage question

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Old Jan 11, 2023 | 12:03 PM
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Holley linkage question

For years I have wondered why so many carbs, Holley included, have a 1/2" hole in the throttle linkage. Yesterday, while browsing the Summit site for throttle lever studs, I noticed that Holley and Quickfuel make a bushing that sits in that hole so that a person can install a throttle cable stud there. Is that the preferred location for throttle hook up? I usually use the hole right to the right of the 1/2" hole in the image, but the larger of the two would offer better leverage. However, it seems as though the nylon bushing would soon wear out? thoughts?
Part Number: HLY-26-103

 
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Old Jan 11, 2023 | 01:34 PM
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that is for throttle linkage on GM cars that use a TV cable for GM 200R4 and 700R4 transmissions...
 
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Old Jan 11, 2023 | 03:34 PM
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Just use the hole below the big one that's intended for the throttle linkage.
 
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Old Jan 11, 2023 | 03:53 PM
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Thanks for the replies. After reading your responses, I went back and re-read the product descriptions and questions/answers about the product. No where do I see mention of a specific trans. Again and again customers mention throttle cable attachment. I believe, therefore, that that 1/2" hole, with this bushing, is the best choice for the throttle cable connection.
 
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Old Jan 11, 2023 | 03:58 PM
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I don't see why you couldn't use that hole but I've never seen it used before. I don't see any advantage in it.

 
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Old Jan 11, 2023 | 04:47 PM
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That hole matches the hook up's for most of the GM engines of the early years. Just use the lower or slightly to the right of the big one. Look at any Ford/Autolite carbs. If the big one works for you use it, might get you half throttle.
 
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