08-10-2010, 03:15 AM
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#1 (permalink)
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A True Z Fanatic
Join Date: May 2010
Location: SLC, UT
Posts: 1,671
Drives: '08 Evo X | '10 370Z
Rep Power: 18
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Quote:
Originally Posted by Rooskey
So when I add intake and exhaust to my car I should keep my same fuel ratio. I do not want to add fuel pressure even in this case. If I do go lean on a dyno at least I can correct it.
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Messing with your fuel pressure only serves to throw off your closed loop fuel trims. This is by far the worst way of tuning ever. Your car has electronically controlled fuel injection, which happens to be tunable electronically, please don't tune it like it has a carburetor. 
Plus I'm pretty sure our fuel pressure regulator is located in-tank along with the filter and pump.
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'10 PW 370Z 7AT - wife's car - Project Raspberry Cheesecake
'08 Evo X - built motor+trans | BB-X @ 32 psi | CH3OH | self-built+tuned - ??? WHP
'01 Galant V6 - built motor | GT35R | self-built+tuned - 550+ WHP (retired) |
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