05-13-2011, 08:22 PM
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#11 (permalink)
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Base Member
Join Date: May 2011
Location: FL
Posts: 30
Drives: Turbo ///M
Rep Power: 16
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Quote:
Originally Posted by ChipsWithDips
Yeah like I said, that MAF on the passenger side bend is not gonna be able to get an accurate reading. Think about it, the flow of air through a bend is not equal across the entire cross section of pipe. There's going to be a gradient of different flows throughout. The MAF only measures flow across it's hot filament which is only a specific point in that cross section. There's no way for it to get an accurate average of the entire cross sectional area.
Here's an example of how flow changes through just 30degrees of bend.
if you did that they would be reading 2x as much flow each. |
Stock MAF's should be maxing out around 10-12psi, the passenger side MAF, on the radius, is NOT the problematic one. The one on the DRIVER'S side, the one on the straight piece of pipe, is the one that is maxed out. While your drawings may be true, the MAF on the radius is NOT what is causing the issue with Ryan's car. We already have a few different fixes if the upgraded MAF's do not get the car where Ryan wants it, no one needs to worry other than Ryan and myself. The injectors are also too small, they will be maxing out near if not before 500whp. Tuning with the two MAF's, as they are placed, was of no issue.
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