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I just installed a VEC2 on my NA car which is just running headers, HF cats, 3" catback, smoothtubes & filters and 3.55 gears. I am currently just running mostly stock settings for now. I have tried the sample program and got a little pinging around 4000 RPM, so I backed it back out until I can get a wideband O2 or get it on a dyno. I'm curious if anyone else out there is trying to tune one of these yourself on an NA application and what your results have been so far.
--- Ken
--- Ken