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Old 01-05-2012, 02:35 PM   #1
KrazyRay
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Holley Double Pumper Carb

This carb was working great on my gmc 6500 garbage truck with a tall deck 454 when I pulled the engine out a few months ago. $100 shipped.
Thanks,
Ray
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Old 01-05-2012, 02:41 PM   #2
specialtyretail
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Re: Holley Double Pumper Carb

Hey Ray. Not trying to be a dick, but that is a vaccum secondary carb. Double pumpers are mechanical secondaries with an accelerator pump on the rear bowl as well. Just trying to help. thanks, Fred
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Old 01-05-2012, 04:43 PM   #3
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Re: Holley Double Pumper Carb

Ray, what numbers are on the front of the choke horn? I might be interested in it. Thanks Ryan.
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Old 01-06-2012, 01:38 PM   #4
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Re: Holley Double Pumper Carb

Quote:
Originally Posted by specialtyretail View Post
Hey Ray. Not trying to be a dick, but that is a vaccum secondary carb. Double pumpers are mechanical secondaries with an accelerator pump on the rear bowl as well. Just trying to help. thanks, Fred
Thanks for the education...I thought they were the dual float bowls.
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Old 01-06-2012, 01:38 PM   #5
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Re: Holley Double Pumper Carb

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Originally Posted by Dieselwrencher View Post
Ray, what numbers are on the front of the choke horn? I might be interested in it. Thanks Ryan.
I will check this weekend.
Thanks,
Ray
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Old 01-06-2012, 06:34 PM   #6
Dieselwrencher
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Re: Holley Double Pumper Carb

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Originally Posted by KrazyRay View Post
I will check this weekend.
Thanks,
Ray
Ok, thanks. This carb is a "Dual Feed" that's why it has the line going to the rear bowl from the front bowl. If it was a double pumper, it would have another accelerator pump on the RH bottom corner of the rear fuel bowl.
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1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread
1972 GMC Sierra Grande Longhorn 4x4
1972 Chevy Cheyenne Super K20 Long Step side tilt, tach, tow hooks, AC, 350 4 speed
1972 C10 Suburban Custom Deluxe
1969 Chevy milk truck
1971 Camaro RS 5.3 BTR STG3 Cam Super T10
1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project


Tired of spark plugs? Check this out.
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Old 01-09-2012, 08:04 PM   #7
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Re: Holley Double Pumper Carb

The only thing I can find is the words Holley and LEAH.
I hope this helps.
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Old 01-10-2012, 09:53 AM   #8
specialtyretail
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Re: Holley Double Pumper Carb

Hey Ray. On the airhorn, there should be some numbers, probably something like R3310-3. That would be the list number. Hope this helps.
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Old 01-10-2012, 10:07 AM   #9
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Re: Holley Double Pumper Carb

its whats stamped on the front at top in third pic ray. rich
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Old 01-10-2012, 01:12 PM   #10
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Re: Holley Double Pumper Carb

Thanks, I will check.
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Old 01-11-2012, 01:22 PM   #11
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Re: Holley Double Pumper Carb

I found some numbers... 80508
1773

Thanks everyone for the help!
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Old 01-11-2012, 04:42 PM   #12
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Re: Holley Double Pumper Carb

750 cfm, vaccum secondary with electric choke. Good street carburetor.
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