Just out of curiosity, what was our stock/standard Autolite 2-bbl carb rated
for?
--
Jim Sencindiver
B382100451/TAC 448
http://www.tigersunited.com/car_show/sencindiver_j/default.asp
On Tue, Jun 22, 2010 at 1:52 PM, Rense, Mark (GE Indust, ConsInd) <
mark.rense@ge.com> wrote:
> Buck is correct. For now obscure reason establish a million years ago by
> the SAE, the flow rate through a 2BBL carburetor is measured at 3.0
> in./Hg. pressure drop and the 4BBL carbs are measured at 1.5 in./Hg.
> pressure drop. So, a 500 CFM 2BBL compares to a 350 CFM 4BBL in flow. A
> quick approximation is to take the rated CFM of a 2BBL and divide by the
> square root of 2 (1.41421) to get the equivalent rating if it was a
> 4BBL.
>
> Bugz
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