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Cat Cams?
- Subject: Cat Cams?
- From: fahrvegnugen at cox.net (David Utley)
- Date: Thu Dec 30 10:16:36 2004
I have no experience with the Autotech cams, but looking on Vortex, most are pretty unimpressed. You might do a search there to gather some more info of their opinions...
Good tips, Dan. I had forgetten all that as well...
Diversity is good! :-)
David
>
> From: "Rick Kellner" <rfkellner@snet.net>
> Date: 2004/12/30 Thu AM 10:55:51 EST
> To: <scirocco-l@scirocco.org>
> Subject: RE: Cat Cams?
>
> Dan, thanks for the comments, I at least wanted to know! Your second
> sentence sums it up; "it is difficult to compare cams from different
> manufactures". If you go to Cat Cam's web site they do have a lot of
> information however the other manufactures do not.
> I guess I am looking for any driving impressions at this point from
> anyone that has non-stock cam sets in their cars. Sets from Autotech,
> TT and Delta.
> Just to get back to your point; if you read Autotech's review of their
> sport cams they state that they produce more HP and torque than
> Schrick's 260s. If you look at the available specs for Autotech, they
> are not as aggressive as the Schrick 260s.
>
> Autotech Sport
> Intake/Exhaust
> 252 / 264? Duration
> .400 / .430 Lift (in)
>
> Schrick 260
> Intake/Exhaust
> 260 / 260? Duration
> .441 / .441 Lift (in)
>
> Thanks, Rick.
>
>
> -----Original Message-----
> From: Dan Bubb [mailto:jdbubb@ix.netcom.com]
> Sent: Thursday, December 30, 2004 10:06 AM
> To: Rick Kellner; scirocco-l@scirocco.org
> Subject: Re: Cat Cams?
>
> Couple thoughts about cams (as if anybody wanted to know!)
> It's tough to compare cams from different manufacturers.
> The first thing to check is to make sure that the duration specs are
> quoted at the same lift. Some
> manufacturers will quote duration at .020" lift, others at 1mm (.040")
> and yet others at .050". If
> you've looked at TT's cam spec page you can see what a huge difference
> in duration that makes.
> Unfortunately, lift and duration don't tell the whole story. It's the
> area under the curve that
> matters and it can vary quite a bit within the same lift and duration
> numbers depending on how much
> acceleration of the valvetrain is designed into the cam profile.
> And last but not least you also need to compare lobe centers. Different
> lobe centers for the same
> lift and duration will, again, change engine performance.
> Anyway, I guess the summation is that it's hard to tell if a cam from
> one manufacturer is going to
> be more aggresive or have a better idle or whatever than a cam from
> another manufacturer just by
> looking at lift and duration numbers. You'd actually have to test to
> find out.
> or at least that's my .02
> Dan
>
> ----- Original Message -----
> From: "Rick Kellner" <rfkellner@snet.net>
> To: <scirocco-l@scirocco.org>
> Sent: Thursday, December 30, 2004 9:43 AM
> Subject: RE: Cat Cams?
>
>
> Brian, I have only heard good things regarding Delta cams. I actually
> have a new Euro intake cam from Delta that is up for sale. I am looking
> for a more aggressive set than the Euro grind.
> I am interested in comments on the Cat grind, it looks to be between the
> TT Street set and the TT Sport set. If you read the description of the
> characteristics of the two TT cam sets you will see that they produce
> different 'drivability' results. All of the cam sets (shown below) have
> lower lift than even the Schrick 260s.
> Thanks, Rick.
>
> Cat Cam #7661210
> Intake/Exhaust
> 266 / 262? Duration
> .430 / .430 Lift (in)
>
> TT Street
> Intake/Exhaust
> 254 / 254? Duration
> .423 / .423 Lift (in)
>
> TT Sport
> Intake/Exhaust
> 268 / 268? Duration
> .438 / .438 Lift (in)
>
>
>
> -----Original Message-----
> From: Brian McGarvey [mailto:bmcgarvey@gmail.com]
> Sent: Wednesday, December 29, 2004 11:44 PM
> To: Rick Kellner
> Subject: Re: Cat Cams?
>
> Dood.
> Do the http://www.deltacam.com/ regrind..
> you can get any profile you want, but schricks are the way to go..
> Brian
>
>
>
> On Wed, 29 Dec 2004 21:29:51 -0500, Rick Kellner <rfkellner@snet.net>
> wrote:
> > Does anyone have experience with Cat Cams? The vortex link, below,
> has
> > sparked my interest. My question is really directed to 16V cam set
> > #1210 however; it appears they make cams for everything. They also
> have
> > a lot of technical information regarding each application but it lacks
> > any specific torque/HP impacts. I have included the link to Cat Cams
> > and the vortex thread.
> > Thanks, Rick.
> >
> > http://www.catcams.be
> >
> > http://forums.vwvortex.com/zerothread?id=1451062
> > <http://forums.vwvortex.com/zerothread?id=1451062&page=1> &page=1
> >
> > _______________________________________________
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> > Scirocco-l@scirocco.org
> > http://neubayern.net/mailman/listinfo/scirocco-l
> >
>
>
>
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