Page 5 - Performance

  1. VIDEO: Track testing at High Plains Raceway 9-30

    After Pikes Peak this year, we decided to try a different set-up focused more on quick spook and early torque compared to peak power.

    So we put

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  2. VIDEO: Another way to use the Cobb Fuel Pressure Sensor

    Flatirons Tuning Tech Tip - Another way to use the Cobb Fuel Pressure Sensor

    We ran into a problem with our fuel pump when we were getting our

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  3. VIDEO: Can't get your Subaru Oil Pump to Prime? What to check and a possible solution.

    Right before you start your engine for the first time, one of the last things that you typically do is crank the engine over to build a little oil pressure.

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  4. VIDEO: Test Results for the Turbo Dynamics MDX555 400 turbo

    We discovered Turbo Dynamics when we were searching for a turbo for our Pikes Peak Race Car, and we were really happy with the results. Since then, we

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  5. VIDEO: 2017 Focus RS - Cobb Stage 1 and Cobb Stage 2 results

    Mike Pettiford of Go 4 It Racing just got a new 2017 Focus RS. He wanted to make a little more power, and we thought it would be interesting to see what

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  6. VIDEO: A discussion of Oil Pumps, Oil Pressure, and Shimming Subaru pumps

    A few days ago, our friend and fellow racer Victor Kuhns from DM Rally was in town, and he has been working on building up a new engine for his race car

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  7. VIDEO: A discussion of NASA Time Trials, Grid Life, and Pikes Peak Time Attack

    If you have a car that you have been working on for a while and modifying, maybe you have been wanting to take it to the track. Or maybe you have been

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  8. VIDEO: 2018 STI Baseline and Cobb Stage 1 Data on the Dyno

    Flatirons Tuning Tech Tips - 2018 STI Baseline and Cobb Stage 1 Data on the Dyno

    There has been a lot of interest in the 2018 STI, and one of the

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