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Borg Warner EFR-7163 Test and Tune

By Perrin Performance

All Testing was done at the 1.2, 1.5, 1.7 and 1.9 bar of boost. Below are tall the 1.7 bar runs which are the most consistent ones i had to compare with all turbos. Not the best comparison because this is the one where the TGV housing was closed on my car. So it was killing the HP up top. Since the...

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Project 15K gets rolling...

By Perrin Performance

Selection Process and Cleaning Not too long ago we where talking about the older WRX's and how inexpensive they are getting in the used car market. So after some discussions we thought it would be fun to find a good example and build it on a budget (about $15k including the car). What we expect in t...

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PERRIN H6 Build Up

By Perrin Performance

This is kind of long, so sorry ahead of time. You can just skip to the bottom see the dyno graphs, but that would be no fun. Summer of 2005, SEMA was coming up soon, and what could we do that would wow people.  With ideas floating around about different cars to buy, build, or mod, we were kind of u...

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AOS Install Test Page

By Perrin Performance

There will be three main ways to install this. 1. Simple method blocking PCV off, Teeing Valve cover vents, 2. Using included PCV valve 3. Race car method with no crank case vent, only valve cover vents and crank case vent used for drainback. Both left and right valve cover vent ports on AOS body us...

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