08-23-2010, 10:12 PM
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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 Zsteve
A slightly wider MAF section like what Modshack is doing will net you some gains. I think you will get a few HP from better flowing filters but not sure about smoothing out the intake tubes, I dont think the air gets too turbulent to begin with. But who knows.
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The only thing larger MAF housings on a car that already has 2 ~2.5" housings will gain is a leaner mixture. Without re-scaling your MAF within the ECU ROM, it's just going to lean out your mixture - which will net you some nice gains on the stock tune. Think about the surface area of 2 separate housings. That's massive to begin with - compare that to what has been accomplished with just one MAF and throttle body on the non-HR 350Z.
Even Evo guys are fine with the single ~2.75" MAF which is pre-turbo (non-compressed) until 600 WHP or so. After then, it causes a measurable restriction.
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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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