From: img width=12 height=12 border=0 src="http://opi.yahoo.com/online?u=shark93726&m=g&t=0" alt=""_REMOVE_491775_THIS_@yahoo.com
I ran the cams straight up, no re-indexing. That engine made about
200 H.P. (an estimate since the stock cams with high compression and
webers would make around 180 H.P. with 1.1 inch ported out intakes.)
Gerald Storvik (8shark.com)
--- In <a href="/group/cosworthvegas/post?protectID=219233066105193209050199029077192253163098100009128121188190230091025019053061151110147">cosworthvegas@yahoogroups.com</a>, gentec2000 <<a href="/group/cosworthvegas/post?protectID=091233212180056219138097203245129208071">no_reply@y...</a>>
wrote:
> Gerald (or Duke),
>
> Did you run the cams "straight up" or did you reindex either of the
> cams? If you did reindex the cams what did they get reindexed to?
I'm
> thinking of doing the same thing (short track intake with the stock
> exhaust cam) with my car (the supercharged Cosworth) but before I go
> through all that work, I wanted to be fairly sure the cams would
work
> with each other OK. I'm making up a set of adjustable cam gears so
> reindexing the cams won't be a problem. Do you happen to know what
> kind of power you were making this setup?
>
> Todd
> 2384
>
>
> --- In <a href="/group/cosworthvegas/post?protectID=219233066105193209050199029077192253163098100009128121188190230091025019053061151110147">cosworthvegas@yahoogroups.com</a>, shark93726 <<a href="/group/cosworthvegas/post?protectID=091233212180056219138097203245129208071">no_reply@y...</a>>
wrote:
> > You are right. 20 years ago, when I was building my engine for
> > autocrossing, the builder talked me into using the stock exhaust
cam
> > with a 3/4 track intake cam, (higher lift and longer duration)
and
> > that engine made LOTS of Horsepower at the top end, without
losing
> > too much torque at low RPM. The same principal could be used to
make
> > a very good combination for street, by regrinding the exhaust cam
to
> > have shorter duration.
> >
> > The new re-indexed cams with less overlap that Duke designed and
Mark
> > is making, make a real improvement though, so I don't know
whether
> > most people would want to spend more money and work for the
little
> > gain available from a re-ground cam.
> >
> > Gerald Storvik
> >
> >
> > --- In <a href="/group/cosworthvegas/post?protectID=219233066105193209050199029077192253163098100009128121188190230091025019053061151110147">cosworthvegas@yahoogroups.com</a>, Mike Vee <<a href="/group/cosworthvegas/post?protectID=219233066112082198015038190036129">cossie@e...</a>>
wrote:
> > >
> > > I'm thinking of cars too much today, when I should be working.
> > > Does anyone know if the intake & exhaust cams are different
> > profiles?
> > > Just thinking that, with such good exhaust ports, it might not
be
> > necessary
> > > to have slightly more duration on the exhaust lobes, as is
popular
> > with
> > > many other engines.
> > > Thanks,
> > > Mike Chardon, OH
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