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There are some ways to do this. Often people break out their iat sensor and put it down stream of the meth injector. Then you can adjust timing based on iat’s. If it gets too high(no meth) pull a pile of timing.
Another more drastic method is use that output to control a pair of relays and cut coil power when it activates. I had something like this but based on a wideband and boost level and it activated a couple of times which saved me. I have a stand beside ecm so I have a lot of options. Now i have the stand beside ecm running the timing and it has built in features to cut timing based on fuel pressure, a/f, over boost...
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