[DAD]

Originally Posted by Revolution Racing Just to be clear, with this platform we have up to 40 degrees of cam timing AVAILABLE. We don't actually USE all of that, it's just what is possible. I will say, that after a LOT of time messing with cam timing, it still comes in 3rd after fuel and spark on the list of important things to look at on dyno day. We've learned that cam timing does just about nothing for peak power - thats a function of CFM and AFR. However, it does allow you to move the torque curve around some and we find this very advantageous... But really, its just a small part of a much bigger story. The awesome GM controller that allows us to manipulate cam timing also allows us to control Air/Fuel ratio in one hundredths of a point increments, by 100 rpm increments. I think back to the days of two bypasses, a barrel valve and a main jet and just smile... We control how many times we fire the injectors per stroke and for how long each time. We control how many times we fire the plugs per stroke and exactly when. We even programmed an enrichment loop so that if water temp exceeds 230 we add a little fuel. We add even more below 3500 rpm in so that on yellows we can help cool it off, but once we go green we're back to full power. Other race cars would have a fan for this purpose, but we are able to maintain really good temperature control without sacrificing power. I appreciate the input. we are trying to do something good for the sport out here....

For the cost concious people out there (you guys are just making racing more expensive) this super computer probably cost less than a good mechanical injector fuel pump. The secret to these motors is valve spring pressure. Springs last forever if you keep the pressure down. Four little valves flow much more than two great big ones and it don't take much spring to close them. Lets get out of the past.

Honest Dad himself