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11-05-2020, 10:50 AM | #1 |
Senior Member
Join Date: Feb 2016
Location: central minn
Posts: 1,025
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Ford holley 94 carbs
I'm trying to make secondary carbs I can not get the butter flyes to closed tight
Have new shafts and secondary plates anything I do they have light around them |
11-05-2020, 12:42 PM | #2 |
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Join Date: Jun 2014
Location: Williamsburg, VA
Posts: 1,627
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Re: Ford holley 94 carbs
Lightly sand the edges of the butterfly plates to slightly round off the sharp edges and remove any burrs. That may improve tight closure and will reduce the chances of sticking at the closed position. Be sure the butterfly plates move freely within their slots in the throttle shafts. Deburr slots as needed. Install the plates in the shaft but leave the screws loose. Hold both of the actual plates themselves tightly closed as you tighten the screws. Do not tighten the screws very hard. A loose plate would be fine, as long as the screws do not fall out. That should get you good closure and no binding. Be very gentle in dimpling the throttle plate screws; A tiny distortion is enough to keep the screws from falling out
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11-05-2020, 01:04 PM | #3 |
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Join Date: May 2010
Posts: 3,019
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Re: Ford holley 94 carbs
31,
I build a lot of 94's and use the Speedway extended shafts.....what I have found is the 6-32 Phillips head screws included with the shafts actually distort the shaft because the chamfer under the head is not concentric with the threads, I use only factory issue brass screws and make them tight plus apply Locktite. It is also my experience that the non factory throttle plates ,such as you have described, are of varying quality. My preference here is factory only throttle plates. This is only my opinion. Charlie ny |
11-05-2020, 02:20 PM | #4 |
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Join Date: Feb 2016
Location: central minn
Posts: 1,025
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Re: Ford holley 94 carbs
I only had two good plates they seem to do the same thing I didn't have screw in mine
I might junk the bases and buy new ones so I don't have problems |
11-05-2020, 02:33 PM | #5 |
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Join Date: May 2010
Location: Charlotte NC KiWi-L100 available here
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Re: Ford holley 94 carbs
Send carbs to Charlie NY To rebuild carbs. You will not regret it.
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11-06-2020, 10:49 AM | #6 |
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Join Date: Feb 2016
Location: central minn
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Re: Ford holley 94 carbs
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11-06-2020, 11:11 AM | #7 | |
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Join Date: Jun 2010
Location: Detroit suburb, MI
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Re: Ford holley 94 carbs
Quote:
Sal |
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11-07-2020, 10:40 AM | #8 |
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Join Date: Dec 2012
Location: Anchorage Alaska
Posts: 290
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Re: Ford holley 94 carbs
I see those are 1 1/4 throttle plates. I answered on the other forum about the shafts. Everything I have bought from Speedway and Charlie Price seems to be the same. I don't know if Charlie is making for Speedway or is buying from Speedway. Anyway to fix my problems I just had to drill the top side of the shafts so the screw went in and started threading to the bottom side, not the top. Try putting your screws in without the plates. If they have to screw in the top side, you will need to relief that so they just thread into the bottom haft of the shaft. Hope that make sence...
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11-08-2020, 10:57 AM | #9 |
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Join Date: Feb 2016
Location: central minn
Posts: 1,025
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Re: Ford holley 94 carbs
I have tried the old plates seem to be the same I left the screws a little lose didn't not change much I will try to do what you did to see it helps
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