| adjustable intake cam gears. I previously didn't have adjustable cam gears and after talking to SZ, I installed them. When they came up to dyno tune my car, they first ran the car several times, adjusting the cam gears one at a time until they found the sweet spot for each cam gear. Let me tell you, it's a night and day difference. Because my engine was now more efficient and less restrictive, I could run more boost. Plus look at the lower end response. Here's a chart on 91 octane, comparing the before and after results of cam tuning: 
Here's 94 (E10 ethanol blend):
 Here's VP109:
 Now remember, the above is based on a relatively small turbo (530BB). It was like driving a completely different car after the cam tuning. Port work would also help a lot.
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10:02:09 08/16/13
