That's with a 1.94 intake valve! Those heads can
be fitted with later 2.0 intakes from the 392 CID
heads.
Dick J
--- DrMayf <drmayf@teknett.com> wrote:
> Dick, those numbers look pretty good to me.
> What was the valve size
> involved? My dinky 302 ford heads are only good
> for 300 cfm at roughly the
> same lift numbers and 2.08 inch valve diameter.
>
> mayf
>
> ----- Original Message -----
> From: "Dick J" <lsr_man@yahoo.com>
> To: <land-speed@autox.team.net>
> Sent: Wednesday, December 26, 2001 4:31 PM
> Subject: The Real Difference: Hemi vs Ford &
> Chev
>
>
> > Specifically, I was comparing intake flow of
> a
> > stock 1955 Chrysler 354 hemi and a ported
> > Chrysler 354 hemi with some figures I had in
> a
> > magazine for common SBC GM and aftermarket
> heads.
> > I found that the old hemi outflowed any of
> the
> > heads listed in the article I had. I can't
> find
> > the magazine with the SBC numbers as I have
> just
> > boxed up a bunch of magazines in my annual
> > cleanup to make room for new Christmas
> > subscriptions. If anybody has flow numbers
> for
> > SBC though, I would like to compare them with
> the
> > old hemi. Here's what the 1955 Chrysler hemi
> > flowed at 28 inches:
> > .200 lift 121 stock 125 ported
> > .300 lift 178 stock 200 ported
> > .400 lift 212 stock 261 ported
> > .500 lift 225 stock 287 ported
> > .600 lift 233 stock 313 ported
> > .700 lift 416 ported (modified
> for
> > racing)
> >
> > Personally, I think those numbers look pretty
> > good, even today. Does anybody have any
> numbers
> > on any SBC that flows more than that? Most
> > old-time hemi guys felt that the smaller
> Desoto
> > flowed even better than the Chrysler, because
> the
> > ports were straighter. I dunno, my motors
> are
> > all nearly stock, but I still love every
> rusted
> > bolt in them!
> >
> > Dick
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