Quote:
Originally Posted by Crazy Drew
Fix whatever burnt up and get a real tune. If I even saw anything near 14.59 afr on a turbo car I'd flip a shit, much less 19 under load, and wouldn't get back into boost until I got it tuned. I'm surprised it didn't pop sooner.
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I have never seen a motor blow at idle, regardless of afr. In fact, I used to show students how to create detonation at idle on a motec so they know what it sounds like and feels like on a dyno, then have them richen the mixture and adjust timing, and I have never blown a motor like that in 10 years. I am a certified EFI tuner.
So afr of 14.59 or even 19 at idle will not blow up you motor. under load, it will not last long and that sounds more likely.
and to be honest, most tuners I have met usually do a poor job of tuning a car anyways. A
real full tune on a car can take days to complete the correct way. all throttle position, all rpms, all loads. Most tuners don't do that because customers will get sticker shock.
when it comes to tuning, you get what you pay for.