There are lots of different threads going on about cams. It seems to have gotten major confusing. We have to look at what it takes to run certain cams. 1st, let's review the Aussie cams: The #4, & #5 cams that people seem to want, are a lot of cam, and way too much for even a well modified engine. Look at the RPM range advertised. You can tack on another 500RPM to when it will come in at. Here's why: #4 has a 294 duration. 3500-7500 range. That is with a heavily modified forged piston engin

http://www.geocities.com/spun_bearing/windage_tray.html   This is what I made for my Turbo Raider.   I hope this helps,   Kevin C

are they good?   how does it compare to TEP?

Would there be any merit in looking into what kind of cam profiles the GN run? They are 2V heads and turbo'd with a lot of information and proven years behind them.   Any GN guys out there?