It makes me feel good , just to be able to tell my friends that I know(in a
direct and or an indirect manner) a BUNCH of smart guys and they are specially
"Tiger" smart. Which makes them way smarter than the average car person.In my
head at least. TonytheTiger
--- On Fri, 6/13/08, Stephen Waybright <gswaybright@yahoo.com> wrote:
> From: Stephen Waybright <gswaybright@yahoo.com>
> Subject: Re: [Tigers] engine ancillaries
> To: "tigers@autox.team.net" <tigers@autox.team.net>, "Sandy Ganz"
><sganz@pacbell.net>
> Date: Friday, June 13, 2008, 8:20 PM
> If Car Craft ran the same compression in both engines, there
> should be no HP difference between the iron and alum
> heads... but the thing is, if all else is identicle, you
> can run higher compression with alum heads before the
> engine starts pinging because they dissipate heat faster.
> That's where the extra HP comes from running Alum
> heads.
>
> --- On Fri, 6/13/08, Sandy Ganz <sganz@pacbell.net>
> wrote:
>
> > From: Sandy Ganz <sganz@pacbell.net>
> > Subject: Re: [Tigers] engine ancillaries
> > To: "tigers@autox.team.net"
> <tigers@autox.team.net>
> > Date: Friday, June 13, 2008, 2:19 PM
> > That is exactly the discussion I'm looking for! I
> did
> > poke around on the web
> > and found a car craft article debunking the HP
> loss/gain in
> > aluminum vs iron
> > head in some ways, with dyno data and while
> interesting not
> > totally
> > conclusive, but seems to cover a good amount of the
> common
> > cases run into in
> > warmed over motors. The summary was they picked up 2
> sets
> > of heads from Dart
> > Machine who makes an almost identical aluminum and
> iron
> > head for the SBC. They
> > flowed before testing and the iron head and aluminum
> were
> > very close in all
> > numbers. The numbers on the dyno were almost not
> measurably
> > different, they
> > also messed with timing and no difference where motors
> with
> > either head
> > type would detonate. Some other stuff too. I think the
> > compression for the
> > test was in the mid 10's so while I might not
> consider
> > it high, others might.
> > Long and short was HP was no different according to
> dyno
> > data. It did not
> > address any cooling system issues which would be more
> what
> > this thread was
> > about.
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
>
> You are subscribed as achd73@yahoo.com
>
> Tigers@autox.team.net
> http://autox.team.net/mailman/listinfo/tigers
>
> http://www.team.net/archive
_______________________________________________
Support Team.Net http://www.team.net/donate.html
Tigers@autox.team.net
http://autox.team.net/mailman/listinfo/tigers
http://www.team.net/archive
|