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with ZEM tuning, the second pull produced 215RWHP. All I did was clean up the A/F a little on the top end. Granted, the ZEM has a lot of other nice features other than just letting you make fuel and timing changes, it also serves as a signal conditioner for aftermarket or stock sensors, datalogger for all inputs, and a display for the information. However nice (or not) that they may be, your results with just an ECU upgrade are going to be close enough to a custom tune that it probably doesn't warrant the need to go with the ZEM. If you just want something to play with though, by all means - the ZEM is a pretty entertaining device and you will stand to learn a lot about how the ECU works by using it. If you were to ever convert to a TT or buy a TT, you would be a good bit ahead of the game .

[ ashspecz.com ] [ agpowers@bellsouth.net ] Enthusiasts soon understand each other. --W. Irving. Are you an enthusiast? If you are out to describe the truth, leave elegance to the tailor. Albert Einstein
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