EVO8 MR with 272/272 camshasfts and Skunk2 adjustable cams, can some one help with setup it?
what degrees i need set each of them to have maximum power on high rpm(6-7-8k) and what degrees to earn maximum ft/lbs and hp on midle rpm

 

It depends on your mods and your fuel . To shift or move the powerband up higher along the rpm range for 1/4 mile et. improvement, you need to increase the overlap.

You do this by tightening the lobe separation angle (LSA) between the intake cam's and exhaust cam's lobe centers with your aftermarket adjustable cam gears . When you tighten the LSA, you increase cam overlap duration. If you want a higher powerband location, you tighten the LSA by rotating the intake and exhaust cam gears in opposite directions from one another in steady precise increments. The trick is to find the best overlap for your particular engine's package of parts and unique way of breathing compared to everyone else's. Wider lobe separation angle produces more midrange torque but with a loss of upper rpm and peak torque.

Narrower lobe separation angle produces more high rpm range and peak torque but with a loss of midrange.

Less LSA increases intake and exhaust valve opening overlap which creates more scavenging and a stronger upper rpm powerband.

Less LSA or more intake and exhaust cams overlap is better for a racing engine than a high performance street engine. The idle suffers as you add more overlap since there's not enough vacuum at idle rpm. I hope this gives you the general understanding. What brand of cams do you have?

 

So what do you recommend for a cosworth 272 specs intake CL 108, Exhaust CL 114, LSA of 111, 11mm lift. With a gt35r turbo, peak torque around the 5200 to 5400 rpm, reline at 8200rpm.

 

tyvm for posting,great! thats mean i should set it, for example, to -3/-3 for maximum hp and torque in high rpm?
and for example -4/+4 it will give me more at midrange?

 

It all depends on what you want out of your setup. I would recommend a trip to a good tuner with a dyno. Dyno the car and get a baseline with the cam gears on 0deg. Have them tune the cams to suit your needs and fine tune whatever EMS you have along with it.

If you don't have access to a dyno or tuner and you can tune your EMS. With some good logging software that can dyno graph HP and TQ you can do it yourself. Make small adjustments and log it you will be able to see what drive the best on the street vs max power.

If you have a 2.0 daily driver with a stock head you might want to optimise the exhaust cam to help reduce spool time. If you have a big valve stage 5 or 6 head you will need both cams dialed in and it might be tuff to drive on the street.

If you have a 2.3 stroker or bigger they spool larger turbos better so you could probably work more on the intake cam. If I had a stroker I would work more for HP because they have great TQ.