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Originally Posted by XfireZ51
The VE tables don't distinguish on the basis of gear ratio. Its strictly RPM x MAP. You need to be judicious if tuning on the street. I've used 3rd gear although now the ZR is at over 10-15mph more than my 84. So I'll use a dyno for 4th gear. I like using the street because it more accurately models the conditions the car is actually run under like any ram-air, load, air resistance etc. Since you're south of 80, you may have better opportunity for open road
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I guess what I was driving at is your problem (now fixed) brings up a question: What are the
actual fuel pressure dynamics under WOT conditions in normal circumstances for these cars? I.e, is pressure relatively constant at the rail under WOT conditions? Obviously, you filters were ultimately determined to be plugged, but what inadvertent affect will the "starving" have on you work w/ the fuel table calibrations, especially in the region where fuel pressure dropped out of regulation?
Which brings up another point...
Fussing with the ECMs for the LSx engines...would be interesting. Given their dynamic fuel pressure control capabilities and dynamic cam timing features along w/ individual cylinder monitoring and fueling/timing capabilities...someone like you (and a several others of us here too) could get lost in the combinations...and love every minute of it! (Marc...If ya ever git bored...
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I don't know where this is going, specifically. So, ya might have to forgive the ramblings of a noobee with a "new" Z and an engineering background.
I'm just curious about every aspect of our Zs.
P.