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 9380 back to work 
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Joined: Fri May 20, 2016 5:18 am
Posts: 117
[img]/home/torbjorn/Bilder/Classic%20Carb&Restoration/Länk%20till%20IMG_2419.JPG[/img]
Just trying to understand how to post pictures of this 9380 object.


Wed Jul 19, 2017 9:38 am
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Joined: Fri Feb 08, 2013 5:50 pm
Posts: 2359
Under full reply there is a section just below the text box for attachments. Click on choose the file, browse to and select the image you want, then click on add the file, then submit.


Wed Jul 19, 2017 10:54 am
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Joined: Fri May 20, 2016 5:18 am
Posts: 117
Thanks Mark fore instuctions to post pictures :thumbr:
Customer thought he had bought a good 850 from a known drag racer in Denmark well it looks nice butt here is what i found.
Its a 850 9380 annular main body with a older 4781 850 2 corner idle throttle body, fuel bowls look like mid age Holley -90 something China castings with plastic floats and metering plates what i can see according to numbers PRI,8543-5 SEC 8620 (- 478)is from a 800DP
Pri IAB is missing in the main body.
Plan is to toss the plastic floats ( if i remember right Tuner say they will be fine in a road race application doing ther lighter wait) fore newer
Nitrophyl, drill and tapp IFR, IAB and Tslr my biggest concern is the emulsion tubes in the 8543 PRI metering block will they do, ore i am better off getting them out and cup plug and run the blocks with the conventual Holley emulsion holes in the metering block.


Thu Jul 20, 2017 3:14 am
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Joined: Fri May 20, 2016 5:18 am
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Thu Jul 20, 2017 3:21 am
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Thu Jul 20, 2017 3:25 am
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Joined: Wed Apr 03, 2013 8:06 pm
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If it were me I'd use cup plugs and emulsions in the block. I might also consider finding another SEC. block and converting it to 4 corner idle. That style linkage is also my least favorite. But..at least they did a nice job blasting/cleaning it! Although blasting the shafts/linkage like that...it will rust.


Thu Jul 20, 2017 9:54 am
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Joined: Fri May 20, 2016 5:18 am
Posts: 117
HAA guess what there was no emulsion tubes in the PRI metering block just a solid plugg right above the angel channel B|


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Tue Jul 25, 2017 12:01 pm
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Joined: Mon Jul 04, 2016 11:37 pm
Posts: 51
I wonder if they are all like that,I have one that runs rich on my V-6 racing only engine,So what is your plan now.I think I may need to pop my emulsion plug out and see what's up,I wonder if giving it more emulsion on the pri and sec. will lean it out.


Wed Jul 26, 2017 10:15 am
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Joined: Wed Jan 29, 2014 12:00 am
Posts: 64
Tobbemek, the primary idle air bleeds are not missing. I have the same holley list number and that is the way the 9380 carbs are supplied by Holley. When I get some free time, I will send you some pics of my carb. I love my carb, it runs pretty good.


Wed Jul 26, 2017 10:59 am
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Joined: Fri May 20, 2016 5:18 am
Posts: 117
First this carb 9380 mainbody is what a i believe putt together of different parts to bring in som $
The metering blocks is what i found in my research from a 4780, and i dont know what the proper 9380 metering block looks like ( metering ) The base plate is a 4781 850 and it might by like mentioned that the 9380 comes with out Pri iab i dont know.
I just want to do this carb the traditional Holley old school way but with annular boosters, that i beleve to bee in my range of knowledge
and i can handle.


Thu Jul 27, 2017 5:45 am
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