Choosing a carburetor
(→Selecting carburetor brand) |
(→Holley) |
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Holley carburetors have been around for a long time, and their quality is fairly good. | Holley carburetors have been around for a long time, and their quality is fairly good. | ||
They manufactured carburetors for GM in the 60's, and have been a favorite among hot | They manufactured carburetors for GM in the 60's, and have been a favorite among hot | ||
| − | rodders through the years. Holley has several different models for different applications. | + | rodders through the years. Holley has several different models for different applications. ***Ford used thse in the 1950s, maybe even earlier. GM began using in mid 60s when Holley released the 585 CFM 4 bbl, which replaced 2 smaller Rochester 4 bbls and 3 2bbls on high performance engines. |
Here are just a few: | Here are just a few: | ||
-Holley 4412S -- a 2 barrel, 500 CFM carburetor that is ideal for a good ratio between CFM and economy. For a 2 barrel, its pretty large. Works well on a stock 2 BBL manifold for engines such as a 327 SBC | -Holley 4412S -- a 2 barrel, 500 CFM carburetor that is ideal for a good ratio between CFM and economy. For a 2 barrel, its pretty large. Works well on a stock 2 BBL manifold for engines such as a 327 SBC | ||
| − | -Holley 80457S - Decent 4 BBL carburetor that produces 600 CFM's. It uses mechanical secondaires, so economy takes more of a "backseat" on this one. Would probably be ideal for your daily driver/mild build. This is about the average 4 BBL sized carburetor | + | -Holley 80457S - Decent 4 BBL carburetor that produces 600 CFM's. It uses mechanical secondaires, so economy takes more of a "backseat" on this one. Would probably be ideal for your daily driver/mild build. This is about the average 4 BBL sized carburetor ***Not sure how to edit here, but the 80457 is a vacuum secondary carb, not mechanical, with electric choke and is in the 4160 family. All 4160 carbs are vacuum secondary. I would use the 1850 as an example a basic 600 CFM carb, and the 3310 as a 750 CFM example. And I'd start by describing the various carb families, like 4150, 4160, 4175, etc. Newer and more popular carbs are Street Avenger series of 4150 carbs. By the way, the S or C after the carb list number designates the finish. S = shiny, C = zinc chromate. I can do a complete write-up here, or you can simply go to Holley's website for the facts. |
-Holley 80531 - This carburetor is for the Big blocks only, with a spankin 850 CFM. There is little to no economy with this bad boy; this is for the cars that do wheelies off the line. For use of 502 CI or bigger engines. Features vacuum secondaries, and a dual fuel inlet. This is for your race type motor | -Holley 80531 - This carburetor is for the Big blocks only, with a spankin 850 CFM. There is little to no economy with this bad boy; this is for the cars that do wheelies off the line. For use of 502 CI or bigger engines. Features vacuum secondaries, and a dual fuel inlet. This is for your race type motor | ||
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== Edelbrock == | == Edelbrock == | ||
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