[silver]

you are forgetting about gear ratios as well. my car's rev limiter is 6250, i make peak torque at 2500rpm, peak hp at 5000 i believe(that one is a guess). When I shift at the rev limiter it drops me to around 4800, I am almost out of my peak hp, therefore I am losing hp by passing my peak and taking to the rev limiter, then I only get 200rpm's of peak hp. Therefore in my instance I cannot say take it to peak(this is all to back up the shift before rev limiter idea). But, by shifting at 5200 let's say, it will drop me down to 3500, well past peak torque which means that if that is a shift into second gear i lose. So every vehicle is different, based upon where the peaks are and the ratio of the gears.

"do you here that, our son is going to hit his peak"
"doug, if you're gonna hit your peak, do it in your room"
-who knows what movie?