2007 5.9
West Coast Dyno Modifier
- Joined
- Jan 14, 2008
- Messages
- 1,927
5300 rpm
Saw that...awesome!!!!
5300 rpm
Video is up....
http://www.youtube.com/watch?v=bv8AxOU7IRg
Don't mind the tach.. It checks out at 4800 rpm everytime.
Cheers
Cindy
Now, can you guys tells us for sure that the ECU is capable of running the duration necessary at these higher RPM's for it to be usefull?
That's assuming air flow and all the other hard parts are addressed to make use of the rpm's as well.
Typically on good tuning you shorten duration as RPM's go up... It's a function of piston speed, rate of burn, etc. Injector choice determines your high rpm stability.
Ross can chime in, but the ecm hardware is definately capable of stable injections to 5000 rpm. If you kill the pilot above 3000 rpm or where it's not necessary to you, and you keep more current in the caps ready to fire the inj. only once instead of twice, or even three times. Pilot and Post are easy to control now and can be turned on/off by rpm or fuel rate.
Brayden
I can't say 100% for sure on the 6.7L ECM, hardware wise it would be more than capable. The older 03-05 ECM is really just a simplified version of the 06+ 5.9L ECM, it has pretty much the same 'problem' area's as the 06+.Thank you, very informative. Is safe to assume all CR ECU's are equally capable or is that still unknown?