Did some testing on an S4 yesterday. Some interesting results.....
06-06-2004, 01:23 PM
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Did some testing on an S4 yesterday. Some interesting results.....
We logged block 003 back to back with the only difference being the air filter. First, we logged using an ITG Filter. The max MAF values on these runs were between 265-270 g/s. We then came back to my house, swapped in a stock filter, and logged on the same stretch of road. This time, we saw MAF values as high as 290 g/s.
In order to verify these results, I went out to test my car just now (almost the exact same mods as the car we tested yesterday and the weather conditions are about the same as well) with an ITG filter. The results were the same as yesterday's test with ITG filter...the max airflow being in the mid 260s.
Anyone else have similar results when testing back to back?
In order to verify these results, I went out to test my car just now (almost the exact same mods as the car we tested yesterday and the weather conditions are about the same as well) with an ITG filter. The results were the same as yesterday's test with ITG filter...the max airflow being in the mid 260s.
Anyone else have similar results when testing back to back?
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06-07-2004, 06:15 AM
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When both new, paper/gauze filter will ALWAYS outflow a foam element...
The key thing to remember is as soon as they start to get dirty the foam filter will outflow the paper as the paper element will tend to clog at a much faster rate and either let debris in or clog completely showing much less g/sec.