Camshafts are always an interesting discussion because there are so many ways they can be ground, and likewise, many different results can come from them. One of our Purple Belt Performance Package customers was interested in seeing what a set of the Stage 1 cams, springs, and retainers could do before jumping all the way up to the Brown Belt Package.

As we expected, this cam upgrade resulted in the engine making slightly less horsepower and torque below 4,800 rpm. However, the power gains started at 5,300 rpm, and kept increasing as engine speed rose. If you’re only concerned with peak numbers, you’ll see that the power only increased from 638 whp to 640 whp. Instead, focus on the graph at 6,000 rpm and you’ll see 10 more whp. At 6,500 the gain was 20 whp, and at 7,000 rpm it’s typically 30 whp (although we didn’t spin the engine that high on our baseline pull). These are significant gains that can be felt driving the car and will produce REAL results both on the street and at the track.

You might read into this and think that the car must be slower since it has less bottom end power than before… but wait! Once you consider the fact that the engine speed is nearly always above 5,500 rpm at WOT, you realize that any time you’re at full throttle with these cams, your engine will be producing more power!

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We love finding customers that have totally stock ATS-Vs. The excitement of going from stock to tuned is a feeling that’s hard to beat, especially if you’ve never experienced tuning on an already fast car.

Jeff in California was looking to spice up his ATS-V so he came to us to see what we could do. We were able to quickly turn things up for him and he was thrilled with how things turned out. “Outstanding! Scott was helping me get my car ready for the first tune while he was on vacation with his family in Mexico. Hard working guy!” It doesn’t matter the day or the time. We’re here to get your ATS-V performing at its best!

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Whether you’re looking for a track car, a drag car, or just an everyday driver, the ATS-V can do it all. It provides a perfect mix of excitement, comfort and style that only Cadillac could pull off. As great as it already is, throwing some speed parts and tuning at it is never a bad idea!

Darius from Maryland picked up a totally stock ATS-V and decided he wanted to go full Purple Belt Package plus Caddy Issues Turbos. He and his son made the drive to our shop where ATS-V guru and extraordinaire, Jorge completed all of the installation. After strapping the car to the dyno it made 677 whp and 693 wtq. These numbers are just a touch lower than we usually see with these turbos, most likely due to the fact that he still runs factory cams and valve springs. Even so, these big numbers still give Darius one of the top 25 most powerful ATS-Vs ever!

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