maple ridge puller wrote:What is the difference between the annular boosters and the downleg boosters? Thanks in advance
6sally6 wrote:Sooo which kind of boosters do Edelbrock carbs have?!
DaveMcLain wrote:Annular boosters in a 4150 can be a mixed blessing. In some cases they work well but in others it's problematic. I ran into one a few years ago with a 750 annular Holley. It was on a Chevy with a reasonably good cylinder head and intake manifold. For whatever reason that carburetor would NOT work well on that engine. I could use a down leg carburetor and it was fine OR change to a different intake and it was good with the annular Holley. Also, running the Holley annular on a different engine produced good results, weird but true.
treyrags wrote:Makes you wonder if it has to do with the fact that the annular booster in a 750 is a larger percentage of the venturi cross section (restriction/turbulance) than larger carbs using annulars?
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