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Identify Holley carb

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Old Jul 29, 2011 | 03:10 PM
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Default Identify Holley carb

List # 8210-3. Does anyone know what this came off of? Currently sitting atop an L46 w/ original manifold. Date coded July 21st, 1977 (2027).

Last edited by LeMans Pete; Jul 29, 2011 at 03:32 PM.
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Old Jul 29, 2011 | 03:12 PM
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If it is on a spreadbore only intake, I'm guessing it must be either a 4165 or 4175.
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Old Jul 29, 2011 | 03:41 PM
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Check no.- not shown on my Holley 4 bl listings.
Your PMs may be full as would not accept one.
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Old Jul 29, 2011 | 04:11 PM
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Originally Posted by Ganey
Check no.- not shown on my Holley 4 bl listings.
Your PMs may be full as would not accept one.
Cleared inbox. See picture below.

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Old Jul 29, 2011 | 06:22 PM
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Picture is blurry and as stated above Holley does not list a 8210-3 but there is a 6210-3 4165 series 650 CFM double pumper, spreadbore. Any chance the "8" is a badly stamped "6"?
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Old Jul 29, 2011 | 06:36 PM
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MelWff & guys
I sent a PM earlier mentioning 6210-3 & asking for more pics. top & side to see if it's a DP. Expect more pics. tomorrow.
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Old Jul 30, 2011 | 08:19 PM
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I couldn't snap a good picture of the list # with a regular camera for some reason, but I could crane my head in there and clearly see a 6210-3. But, pictures for fun

Thanks for the suggestion Ganey.



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Old Jul 30, 2011 | 09:33 PM
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So is your original questions answered? It is not a production GM carb., it is a Holley aftermarket carb.
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Old Jul 30, 2011 | 11:01 PM
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That is a 4165-series spreadbore, double pumper 750 CFM. As stated by MelWff it is an aftermarket carb but is intended as a direct bolt-on replacement for QJets (note fuel inlet in same location as Rochester). I had one on mine for awhile; looks very manly & beefy, ran very nicely when it was running but sitting at idle fuel was constantly dribbling out of the secondary boosters...never could get to the bottom of the problem so went back to the trusty ol' QJet.
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Old Jul 30, 2011 | 11:25 PM
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I had one of those DECADES ago (early 80's). Good carb. I bought it used. Ran it on a 327. Traded it and a guy put it on a 454. Don't remember much more than that. I was a VERY busy young man at that time in my life!!!
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Old Jul 31, 2011 | 10:21 AM
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Originally Posted by birdsmith
That is a 4165-series spreadbore, double pumper 750 CFM. As stated by MelWff it is an aftermarket carb but is intended as a direct bolt-on replacement for QJets (note fuel inlet in same location as Rochester). I had one on mine for awhile; looks very manly & beefy, ran very nicely when it was running but sitting at idle fuel was constantly dribbling out of the secondary boosters...never could get to the bottom of the problem so went back to the trusty ol' QJet.
Excellent info, thanks all.
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Old Jul 31, 2011 | 10:25 AM
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He said 650 which is correct.
Originally Posted by MelWff
Picture is blurry and as stated above Holley does not list a 8210-3 but there is a 6210-3 4165 series 650 CFM double pumper, spreadbore. Any chance the "8" is a badly stamped "6"?
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Old Jul 31, 2011 | 09:37 PM
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Appears to be the 6210-3 (4165) 650, spreadbore, mechanical secondary as noted above. Just like the one on my engine.
It's probably been there since the eighties .
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