01-04-2012, 12:00 AM
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#31 (permalink)
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A True Z Fanatic
Join Date: Aug 2009
Location: San Diego
Posts: 1,235
Drives: 15 GT-R / 11 Prius
Rep Power: 26
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Quote:
Originally Posted by O&G
lol, no it's not! Tune is spot on 11.3-11.6 AFR @ WOT, just like I asked for.....and no, BOV are never post MAF! Shotgun blast are yummy!
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Actually, BOVs are almost always post-MAF on stock turbo cars, but the metering issue is remedied by the return air line that runs from BOV back to the intake. Since most aftermarket kits use VTA BOVs, you see a lot of backfires during shifting since the metered air gets blown off during the shift, which makes for a temporary rich condition, and thus the backfire. This has nothing to do with your tune.
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New ride: 2015 GT-R - 647 WHP / 641 WTQ (e85) & 543 WHP / 519 WTQ (91)
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