by seeker1056 » Thu Jun 07, 2007 7:36 am
hmm
I have a digital tach, and the egt, boost n drive guages are all in a line in front of my face - I can tell u exactly in each gear what the drive, boost, egt is, part throttle, medium and full throttle for any rpm.
The correlations are very interesting.
For example 2 stroke oil gave me more boost and faster, and more equal boost/drive ratio from 2:1 down to 1.75 and 1.5 depending on throttle.
Part throttle and medium throttle is about 1.7:1 drive/boost eg 35/50
Full throttle is 2:1 till about 30 psi, then is about 1.5:1 from there to 50 psi boost
I also noticed yesterday in wet, very cold weather, boost and drive were almost 1:1 at part throttle, and max 1.5 under full throttle in any gear
This has me thinkin about full time water/meth, and full time runnin of my water air intercooler. Maybe I will set up relays on boost switches.
91 F350 5.9 Cummins, Custom built VE 12v
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