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Author Topic: Anyone know the history of the 3 barrel 4606 Holley?  (Read 1988 times)
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A-Snake
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« on: September 09, 2011, 03:04:01 PM »

Just sold on EbayŽ Described as a Nascar carb. Were these used by drag racers or?

http://cgi.ebay.com/ebaymotors/NOS-HOLLEY-3-BARREL-4604-CARB-PONTIAC-MOPAR-CHEVY-FORD-/220844535340?pt=Vintage_Car_Truck_Parts_Accessories&hash=item336b5c2e2c



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gt350hr
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« Reply #1 on: September 09, 2011, 03:45:20 PM »

         The 3 barrel carb was a design paid for by Chrysler for Nascar use with the "new Hemi" (426). As with most of these "contract carbs", Chrysler had an exclusive for X amount of years then Holley was allowed to sell them to the public. This is one of the second series ( the first was the 950 cfm list #3916) sold to the public. This one is the 1050cfm version.
        Ford had similar contract carbs like the 1050 and 1150cfm dominators as well as the "center squirter" and "double pumpers". After the exclusivity ran out , they became "new " Holley racing carbs.
        This one looks to be in above average condition . It also requires a notch or open plenum for the secondary to open.
        Randy

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owner 6S477 HERTZ White w/Blue stripes-1of18-since 1974. OVER 3,500 drag strip runs made in it since then. My candidate for the "worlds Most drag raced Shelby" More added all the time.
GT350Shelb
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« Reply #2 on: September 09, 2011, 05:21:40 PM »

Randy  have you ever  run one of these                lets say on a 289-302 ?


I Have seen them for  sale from time to time and wondered about  these odd ducks .   

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vernonestes
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« Reply #3 on: September 09, 2011, 06:21:10 PM »

         The 3 barrel carb was a design paid for by Chrysler for Nascar use with the "new Hemi" (426). As with most of these "contract carbs", Chrysler had an exclusive for X amount of years then Holley was allowed to sell them to the public. This is one of the second series ( the first was the 950 cfm list #3916) sold to the public. This one is the 1050cfm version.
        Ford had similar contract carbs like the 1050 and 1150cfm dominators as well as the "center squirter" and "double pumpers". After the exclusivity ran out , they became "new " Holley racing carbs.
        This one looks to be in above average condition . It also requires a notch or open plenum for the secondary to open.
        Randy

Randy, your knowledge of this stuff never ceases to amaze me  Chug a Lug

Best regards,
Vern

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GT350Shelb
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« Reply #4 on: September 09, 2011, 06:39:43 PM »

Randy, your knowledge of this stuff never ceases to amaze me  Chug a Lug

Best regards,
Vern

Thats because he has carburetors  older than you ...........  Wait so  do I  Smiley


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A-Snake
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« Reply #5 on: September 09, 2011, 08:06:18 PM »

Somehow I knew Randy would be able to answer this. Thank you. Ale Ale

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rockhouse66
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« Reply #6 on: September 10, 2011, 03:50:52 AM »

Randy  have you ever  run one of these                lets say on a 289-302 ?  

I had one on my cammed up 273 Barracuda back in the day - just a tad too much carb  Roll Eyes  Made an awesome wwaaaaahhhh though  Grin

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Jim
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« Reply #7 on: September 10, 2011, 04:54:32 AM »

Specialty high performance dealers like Nicky Chevy, installed a lot of them. They sold cars like 427 Nova's etc. I remember mostly them using the 950cfm 3 barrels but the 3 barrels definitely got a lot of use on BB of the era.

Lots of Chevy dealers would sell the conversion cars. Some of them were factory RPO cars as well. Saw a couple of L88 Corvettes and Camaros with them.

Don't remember many Ford dealers doing them. Guys like Bill Kolb (with his service manager John Saxs) when he was at Gotham Ford in NY would build anything you want for you.

These carbs were not that rare in the day and they were not double pumpers as the ad for this one says. I suppose the seller doesn't even know what a double pumper is...just sounds like it should be one to him?

« Last Edit: September 10, 2011, 05:25:07 AM by stickshift » Logged
BUILDER 2
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« Reply #8 on: September 10, 2011, 07:17:58 AM »

i believe it was a possible use on nascar boss 429

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Poor Ron
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« Reply #9 on: September 10, 2011, 10:36:25 AM »

When I bought 2698 way back in 1973, it had a 3-barrel dual-feed on it.  Way too much fuel.  Exhaust always looked & smelled way rich.  About 1976 Mike R.  swapped me into a 1969 GT-500 carb,C9AF,  way better.  That is how it will stay, a C8ZX carb goes for more than I paid for the car.


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Owner of 1968 GT-500 convertible 2698 since 1973
CobraMax
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« Reply #10 on: September 11, 2011, 07:43:51 AM »

I have the 3916 version of this carb. I bought a "Cobra racing motor" through Hemmings in ~1989 from California, found in a garage by a carpet installer. The widow who lived there told him her husband raced "Cobras". The block was an early K code, not a Cobra motor. It was a complete hipo 289 5 bolt with generator and this carb on the aluminum S1MS high rise manifold. I'll take some photos and post when I get a minute

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CSX4781
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« Reply #11 on: September 11, 2011, 09:01:36 AM »

i believe it was a possible use on nascar boss 429

Actually there were no 3 BBLs in NASCAR in that era- Just 2-4s and single 4s (the Dominator was used on the NASCAR Boss). The 3 BBL was mainly intended for drag racing, and saw some use on the street. But you had to cut up a normal dual plane intake to make it work, although some aftermarket manifolds were made with the notch so the rear throttle plate (oval shaped) would clear. These carbs weren't around very long (1969-70???). If I'm not mistaken, the airflow capacity was around 950 CFM.

Dave

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no1musclecar
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« Reply #12 on: September 11, 2011, 07:21:50 PM »

I was under the impression the 3-barrel came out in '67 or so, and in the quest for more, the Dominator carbs were developed by Ford and Holley, but Holley released them "prematurely", perhaps under pressure from other factory teams or for sanctioning reasons, so Ford then pulled the rabbit out of their hat, and brought out the Autolite Inline, which SCCA then promptly banned.

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po'boy427
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« Reply #13 on: September 11, 2011, 10:27:56 PM »

I ran one on a '67 big block Vette in 1969. Bought from a Z-28 owner who said it was too much. The Vette loved it. I remember the look on some of the uninformed of the day when I told them I was running a Holley 3 barrel.

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gt350hr
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« Reply #14 on: September 12, 2011, 08:09:34 AM »

   CSX4781
       Dave,
         I really didn't make a mistake. The 3bbl was developed for the NASCAR 426 HEMI that was NEVER allowed to use dual carbs. The carburetor when developed used LeMans float bowls and is quite obvious in period photos of NASCAR engines. This preceded the Dominator by 3 years. Dual fours were only allowed on Fords after the 427SOHC was not approved and the Tunnel Port 427 wedge lacked the power of the 426 Hemi. This is history not personal opinion or speculation on my part.
  When the 3916 (950cfm) was released to the public ('68) it did indeed become a drag race favorite, especially on Chevrolets. Baldwin-Motion Corvettes and Camaros often had them as delivered. The 950 and later the 1050 version (modified secondary boosters got the extra 100 cfm and released in '69 AFTER the list 4575 1050cfm dominator ) were still made by Holley until approximately 1980.
        Respectfully,
        Randy

« Last Edit: September 12, 2011, 08:12:37 AM by gt350hr » Logged

owner 6S477 HERTZ White w/Blue stripes-1of18-since 1974. OVER 3,500 drag strip runs made in it since then. My candidate for the "worlds Most drag raced Shelby" More added all the time.
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