Reply to "Carburetors with Annular Boosters"

lf-tp2511Member

I currently have a new Holley street avenger 670 with Bob Oliver at Competition Carburetion in Sun Valley Nevada. He will be converting it to drop leg boosters and when finished it will flow approximately 730 and be blueprinted for the specifics of my 404 Cleveland engine.

I asked him about annular boosters and my takeaway was that he thought they had limited useful street applications. Due to their size they actually diminish the flow characteristics of a carburetor, and he says that needs to be taken into consideration when sizing a carburetor destined for conversion to annular boosters.

He didn’t say they were a bad thing in any way, but for my application he saw no distinct advantage.

My two cents.

Larry

8/4/182:51 PM

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