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Before the 8 injector setup, I never had a problem tuning by EGT, fuel pressure, and listening to the motor, and looking at o2 voltages on a datalogger. When using a rising rate FPR, there really is not a whole lot to tune with..its either up your fuel pressure, or lower it, or change the rise rate ratio. Yes, a wideband is VERY nice to have, and can be of great tuning help. I am noticing this now, trying to get the 8 injector tuned well. BUT, there is a LOT more tuning perameters to work with, and much, much more fine tunability also, unlike the FPR. EGT's do tell you quite a bit, assuming you have the probe on a runner, AND you KNOW how to interpret your readings. I try to tune to around 1500 degrees, which gives me room for error between cylinders. One could be hotter, and one could be cooler, but is well out of the danger zone regardless. Its enough to get you close and in the ballpark of where you need to be. Is it a pefect way to do it? Not at all, but it works, esp when a dyno, or other means with a wideband is not available. For lower boosted guys, this may be fine, but when you start to push some power, a wideband is pretty much a necessity.  13.5 @108 MPH-2.2 60ft(stupid FWD!) S16G @ 18 PSI/FMIC/Running on MegaSquirt II (Now with sequential fuel injection) My webpage: http://eclipsed4evr.home.comcast.net -1998 Mitsubishi Eclipse RS-T- "Toy" -1992 Plymouth Laser Turbo AWD(SOLD) -2000 Honda CR-V(daily)
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