[Shotimes] Re: Cam timing info needed

[Ian Fisher]

So I wonder what specs Doug Lewis is using to
determine that Don's cams are off...

Ian

--- Mark Nunnally <marknunnally@JoiMail.com> wrote:

> > I found max lift & duration on Josh's site.
> > But I need the centerlines for I and E.
> > Anyone know these?
> > Can't check the cams without it.
> 
> The real world measured lift is higher than the
> published specs (at least
> for the 3.0L intake) as we ran into this discussion
> in using these for a
> NASA USTCC race and what would happen if a post race
> teardown was completed
> (ie, the cams would measure higher than the shop
> manual).  They are just
> "hotter" for whatever reason than published (don't
> you think the techs would
> smile on that :)  Moot, since I think later Dan B.
> got approved for the SHO
> to run +40 cams with other mods on a 3.2L since he
> was 2 secs lap slower
> than a competitive car.  I digress...
> 
> I don't remember if anybody came up with an accurate
> centerline , but the
> OEM ATX intake (vs MTX intake) are retarded by 2
> degrees (not on the
> bolt/dowel hole, but the cam grind itself).  Only to
> note that since this
> would affect if you are working with +20 (ATX core
> base) or +40 (MTX core
> base).
> 
> mark
> _______________________________________________
> Shotimes mailing list
> Shotimes@autox.team.net
> http://www.team.net/mailman/listinfo/shotimes
> 



		
__________________________________ 
Yahoo! Mail - PC Magazine Editors' Choice 2005 
http://mail.yahoo.com