Contour Enthusiasts Group Archives Forums Modifications Duratec Performance Cat cams

Hey guys and gals cat cams just released a set of cams of the 2.5L dura 6. http://www.catcams.be/index.htm Here it is. There are some decent grinds available but most are N/A the second stage cams might be acceptable for high rpm turbo use with the first stage good for street turb`s wanting a little more kick without letting reversion take away power in the top.

Enjoy

-Travis-

Just looked through the cam curves and the biggest cam will give you about a 35 percent horsepower increase ontop. With about the same in loss on the 3000 less area... Ill publish a graph on the diffrent cams sometime in the next couple of days to show their "natuaral" curves. Other things like intake manifold/header length tuning will sway the power here and there. But this is just the ticket to 300 whp n/a. Exciting news. If i could just get wanna you Contour guys to confirm... Most of the time you cant shutup about how [censored] stupid i am. Where are my little rays of sunshine when i need them

That is really exciting to see they have cams, what grind would you recomend for my setup (look in my signature) I will have full turbo spool around 4K rpm's let me know what you guys think and I may be looking into buying a set if they are a resonable price.

-Jeff-

Great find! I have already sent an email off to their US rep. I'm having an NA 3L Hybrid built and this is what I need for the final touch!

Definitely interested in more info about these!!

I am intrested this is a good GB item

This was posted many months ago. Did everyone forget already???


They have a number of drawbacks.

Some major ones are:

All 4 cams would have the same pattern. Bye bye wonderful torque curve and slow power drop off. Hello peakier power curves.

3 of the cams are beyond "race only" and the duration is increased an insane amount. (remember we have a DOHC engine and duration changes are exponential comparatively)

They offer NO information on the valve timing points. (I emailed them when this first popped up months ago) Duration specs are completely meaningless without them!
Trying to "plot" curves without the valve timing points is impossible as they control the power curve shape.


They do not sell just an intake set or exhaust set. (Well at least they didn't "months" ago) You have to buy 4 of the same pattern.



I had thrown the idea around about a set of 263 degree intake cams at one time. However I have since scrapped the idea of having my usable powerband 6000-8000rpm. I'll stick with 3500 to 7500rpm like it is now.

I'd sure love to see a back to back dyno verses stock cams and SVT/ST200 cams.


BTW - 35% increase in HP. You mean like +70HP on a stock SVT engine. Yeah right...
I do not see that even with a power curve the shape of a triangle (pretty accurate IMO) Now if you throw in custom head work, intake, exhaust, and what not then that's believable for the entire package.

Hmmm,
Were you able to obtain any info out of them....many months ago when this slipped by me the first time?? Edit: I'm sure if you had much more than you posted.....you probably would've said

I see what you mean about the valve timing after playing with dyno2000 a bit.

Bummer, it looks like I spoke too soon as I will be using my SVT for a daily driver and need a streetable power band.

some of that went right over my head. so what your saying is the cams we have now are all different and these are all the same. so the power curve will be gone and it will be more like an on off switch

I spoked long time a go about those cams:
http://www.contour.org/ubbthreads/showflat.php?Cat=&Board=perf&Number=334374&fpart=&PHPSESSID=