I am afraid this is not nearly as much as you think as each cylinder
only sees 1 bore so it is not all that much air flow as you might think.
With a carb or any other plenum manifold all the cylinders see all the
airflow...and there are always 2 on some part of an intake stroke with a
V-8..
John Beckett wrote:
>
> Dave
>
> Can get you close. A throttle opening of 2.25" had a general flow rating of
> 446 cfm. Times 8 = 3568 cfm. Little bigger than your standard Holley carb.
> There may also be other factors (manifolds shape, etc.) that diminish this
> cfm number some what, but it's still up there.
>
> John Beckett, LSR #79
>
> ----- Original Message -----
> From: "David Haller" <dhaller@techline.com>
> To: "land speed" <land-speed@autox.team.net>
> Sent: Tuesday, January 18, 2000 9:05 PM
>
> > List,
> > Can somebody out there tell me how to figure cfm on 8 2 5/16 butterflys on
> a
> > hilborn injections system?
> > Thanks,
> > Dave Haller #93
> >
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