CFM Continued...

[Tom Sharpe]

Did anyone bother to tune the Holley???  Sharpe..

Has anyone seen a comparison with the Barry Grant VFI??? I think that
one would be easy to dial in and still a winner...

Squash wrote:

> The article is in the may 1999 issue of "Car Craft"
> magazine.  You should buy it!
>
> 502EFI ended up with 591HP and 532lb/ft
> 502 with 850 holley on the same intake got 542HP and
> 524 lb/ft
>
> And that is across the RPM range, not just at the
> peak!  Even with mismatched intake ports (peanut,
> rectangle, oval) the EFI made more HP and torque.
>
> But compared to the holley 850 and a dual-plane
> intake, they only managed to get less than 10 hp and
> 10 lb/ft of torque.
>
> So don't think that any EFI will blow away a carb
> under all circumstances!
>
> Andy
>
> --- Walter Sherwin <wsherwin at idirect.com> wrote:
> > >I just read an article where a 502GM engine had a
> > >single-plane intake with a 4bbl 1000cfm TB on it
> > and
> > >injectors mounted in the ports.  They installed and
> > >tweaked a 750cfm (or was it 850cfm?) holley carb on
> > >that intake and compared it to the EFI.  The EFI
> > won
> > >in HP and torque, not to mention starting and all
> > the
> > >other givens.
> >
> >
> >
> >
> > Neat!  Where was this published?
> >
> > Walt.
> >
> >
>
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