Originally Posted by paul's08
You refer to an engine with manifold, cam, and headers and rev to 3400 to 6200. That will get you gains at those rpms due to a scavenging effect. What does that have to do with a daily driver with a air cleaner and a muffler change?
There is no cam. I said cam gears. Our engines have 4 cams. The cam gears are specifically for the exhaust cams. It is the exhaust cam gears that replace the factory ones. They came with the APR X-1 kit.
It seems you overlooked the point where I stated that it is an auto and can not be done any lower. The cam gear increase scavenging across the whole rpm range. Not just the upper. They allow a small overlap of the intake and exhaust cams to aid in intake air push combustion exhaust out. Thus improving efficiency, cooling the combustion chamber, and increasing power, by way of scavenging. If you want more info on how that works, best bet is to study up on different types of cams. If you want a simplified version, go here: www.aprpower.com
The point of my reference was that not one part alone made his levels that high. They each contributed.
How can you ask, "what does that have to do with a daily driver with a air cleaner and a muffler change,"? His vehicle is his daily driver. With a few extra bolt-ons.
Did you even look where I directed you yet? I know you are curious. That is why i directed you to a source that has tons of data on you specific question.
Increase efficiency increase power. Simple. Keep your foot out of it, and you will also increase gas mileage, if you want to.