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#21
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Looks like Holley only has replacement for front single line. https://www.holley.com/products/fuel.../parts/134-110 And you can still get the 6210 new. https://www.holley.com/products/fuel...t/parts/0-6210 The obsolete dual line conversion kit for these was Holley PN # 34-4. Clay |
#22
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1) I still see lots of Holley used carbs at swap meets in the $15 to $35 range.
Most are slightly used but still very good ZINC parts on them. Holley went from Zinc material Carbs to Aluminum Material Carbs. Zinc plating will last for many years without issues. A friend of mine who worked at Holley, with me, still does some "re-plating" using proper chemicals but not OSHA approved. But the key deal is that aluminum carbs do not last. Great for a Big Name carb seller. More sales, cheaper costs, more profits. Personally I would pay any day to acquire a couple of used Swap Meet Zinc Carbs, and run them as is or have them plated. Then you have a lifetime carb. The good Gaskets are still out there, I have hundreds of the good BLUE bowl gaskets for the 4150 carbs. 4165 and 4175 carb parts (gaskets) much less. Not a sales pitch. Rarely sell carb rebuild kit parts. Just saying. The old stuff was calibrated by Carb Engineers who had tons of Carb knowledge. Mike Urich, Chief Engineer, and book writer being one of them. Mike was a good guy. So my post here is a carb information post, not specific to this discussion on Spread Bore Holley Carbs. Tom V.
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"Engineers do stuff for reasons" Tom Vaught Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward. Last edited by Tom Vaught; 10-04-2021 at 12:13 PM. |
The Following User Says Thank You to Tom Vaught For This Useful Post: | ||
#23
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#24
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Uh...
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"Holley Carburetor List 6210 Spread Bore 650 cfm Double Pumper dated 3343"
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“Nothing in the world can take the place of persistence. Talent will not; nothing is more common than unsuccessful men with talent. Genius will not; unrewarded genius is almost a proverb. Education will not; the world is full of educated derelicts. Persistence and determination alone are omnipotent. The slogan Press On! has solved and always will solve the problems of the human race.” ― Calvin Coolidge |
#25
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Yeah, they're "only" around $750 too.
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Triple Black 1971 GTO |
#26
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Those carbs at one time sold new for well under $300 at speedshops. Tom V.
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"Engineers do stuff for reasons" Tom Vaught Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward. |
#27
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About 20 years ago I bought a holley 650 spreadbore for my TA. Paid a little over $200 for it. Now they are $700.
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3 Generations of "Beach Boys Racing" ! Everybody knows somthin. Nobody knows everything ! 1st time on a dragstrip, 1964. Flagstart ! "Thanks for the entertainment." "Real Indians Don't Wear Bowties" |
#28
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No new 800's.
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Triple Black 1971 GTO |
#29
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In about 1974 my original Quadrajet died a premature death and I went down to the local speedshop to locate a replacement. Purchased a new 800 CFM double pumper Holley spreadbore on sale for $76 and tax. Don't remember why but he had a massive stack of them and must have got a deal on them from Holley. Ran it for the next 25 years until I went back to a Quadrajet, and probably the most trouble free Holley I ever ran.
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Mick Batson 1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 2+2 survivor AC auto -- 1965 Catalina Safari Wagon. |
#30
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The 800 spreadbore was/is a great carb. It's bizarre that Holley stopped making them. With all the GM cars out there that want to run the original style cast iron intake, I would think there is more than enough demand for them.
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62' Lemans, Nostalgia Super Stock, 541 CI, IA2 block, billet 4.5" crank, Ross, Wide port Edelbrocks, Gustram intake, 2 4150 style BLP carbs, 2.10 Turbo 400, 9" w/4:30 gears, 8.76 @153, 3100lbs |
#31
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After going Bankrupt 3 times Holley Carburetor is not the same company that made the excellent 650 and 800 spread bore carbs of the old days.
Their EFI stuff is doing well because NASCAR is using some of their stuff on the cars. And the EFI stuff is pretty darn good for a moderate cost EFI system. MOTEC and the other high end stuff being better in my opinion but only for cubic money type vehicles (think land speed record platforms). That being said there is little that is the same on the calibrations. The old calibrations for the majority of the "Chevy bolt on carbs" was paid for by GM Engineering paying Holley to do the calibration work. Most of the casting work has been farmed out to the offshore countries C*ina Tom V
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"Engineers do stuff for reasons" Tom Vaught Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward. |
#32
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