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Old 10-05-2020, 08:42 PM   #3
SprungtS
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Join Date: Oct 2020
Drives: 2020 BRZ tS, 2014 FR-S Monogram
Location: Eastern NC
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Don't think I have one around, but I think it would be really odd considering how well it runs, how well it idles, and again the fact that it's a twin-screw supercharger. It's not like there's anywhere to leak except the intake ports themselves - AFAIK.

Also, wouldn't the MAF sensor show higher output as the MAP sensor shows atmospheric while the supercharger is sucking in more and more air and then blowing it out away from the engine?

This is tuned by MAF voltage and RPM, so a vacuum leak should make it run like absolute shit right? It runs beautifully, very smooth and fuel is almost perfect in open loop.

If I'm thinking about this wrong, and a vacuum/boost leak is likely, I can find a gauge to buy or rent. Not concerned about that, I just want to make sure I'm not chasing a ghost. EDIT: Just checked the logs, I'm seeing 10-13psi of vacuum when off the throttle, that's pretty high for any kind of vacuum leak.
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