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05-30-2020, 12:17 PM
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#1 |
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Registered User
Join Date: Dec 2012
Location: Temple City
Posts: 3,558
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Holley spread bore
I have a Holley spread bore 6210 that needs a rebuild.
How do they compare to Q-Jets for DD duties? |
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05-30-2020, 12:23 PM
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#2 |
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Registered User
 Join Date: Oct 2005
Location: Overland Park, Ks.
Posts: 5,190
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Re: Holley spread bore
Its hard to beat a Q-jet for drivability & gas mileage.
George |
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05-30-2020, 07:29 PM
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#3 |
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Moderator
 
Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,154
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Re: Holley spread bore
6210 is a 650 cfm carb,,,
What engine is this going on? Mods? Cam? Heads? Trans type and model? Rear gears? https://allcarbs.com/product/650-cfm...rburetor-6210/ 
__________________
Family and country before all others... 2006 Chevy Silverado (Daily Driver) 2012 Chevy Equinox 
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05-30-2020, 08:13 PM
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#4 |
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Registered User
Join Date: Dec 2012
Location: Temple City
Posts: 3,558
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Re: Holley spread bore
It would be going on my 65 G10 van.
350 sbc, TH700R4, 3.23 gears, and 25-26 inch tires are what I think I am going to get. The gearing may change depending on how I feel it does with the OD in the brick shape. I have a 390 Holley I could use its good parts off of to make a excellent 390 if need be. Or go with my Edelbrock Q-jet with electric choke. I just like the ease of which I can tune a Holley |
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05-31-2020, 02:06 PM
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#5 |
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Dino burner
Join Date: Nov 2002
Location: Calgary, Alberta, Canada
Posts: 602
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Re: Holley spread bore
I ran a 6210 on a 350 CID SBC and loved it, but because it's a mechanical secondary double pumper carb, it can really feed the gas with a heavy right foot. Maybe not the best choice for a heavy vehicle like a van used for daily driving duties, but it won't be terrible.
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05-31-2020, 11:50 PM
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#6 | |
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Senior Member
Join Date: Jan 2001
Location: Orem, Utah
Posts: 7,794
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Re: Holley spread bore
Quote:
__________________
I have sworn upon the altar of God, eternal hostility against every form of tyranny over the mind of man. - Thomas Jefferson |
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