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Can someone in the Central FL area help me auto tap my Z? I,m using a donaldson filter and want to see if the car is running lean. THANKS!!!
 
G

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Hook it up to your laptop

Download the latest Windows version of AutoTap found at www.autotap.com and plug it in.

Choose under fuel (By clicking insert) the a/f ratio; Long Term Fuel trims, bank 1 and bank 2.

If you have a few miles on the filter, you will be back to 14.6:1 a/f ratio throughout the stoichimetric fuel cells 1-17. WOT is the important one, for max performance.

You should start with a log. Then drive the car for awhile, but do not take your eyes off the road to look at the laptop. Death occurs rapidly when you hit a tree.

Once you have gone through WOT a few times, record and replay it. You can see frame by frame where your a/f ratios are in fuel cell 22 (WOT).

We see 12.6:1 at the beginning of our dyno pulls, and 12.1:1 at the end. This is with our larger 30# RC Racing Injectors, however, and the T-1.

Jim
 
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