My Front Tires are Worn More Than the Rears…

Post image for My Front Tires are Worn More Than the Rears…

by Rob Schermerhorn on October 17, 2013

…Should I replace just the front tires? Or all four? Quick answer: PUT THE NEW RUBBER ON THE REAR! This is a question I get frequently so here’s what to do, maximizing your safety. But why are we having this conversation in the first place? Because the majority of passenger cars on the road today […]

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Using Nitrogen Pressure to Tune

by Rob Schermerhorn on July 29, 2013

Hi Rob, I have Penske doubles. I vary bump and rebound to suit the track, but I always set my canister pressure pre-race weekend at 150 psi. Are there reasons to change canister (nitrogen) pressure? [Always asking questions….] Peter You can use it as a tuning tool but first must wrap your mind around what […]

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Corner Balance Your Car with the Turn of a Knob

Thumbnail image for Corner Balance Your Car with the Turn of a Knob May 1, 2013 Product reviews

What’s the quickest way to balance or corner weight my car? As racers, we all have that question, right? Introducing a time saving suspension component you’ll become addicted to for the final tune on your chassis, hitting that perfect 50%-50% cross weight setting that’s eluded you. It’s the Mechanical Incremental Ride Height Adjuster (MIRA). MIRA […]

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Should I Install Bigger Anti-roll bars, Sway bars, Stabilizer bars?

Thumbnail image for Should I Install Bigger Anti-roll bars, Sway bars, Stabilizer bars? February 9, 2013 Technical/ car preparation

Q: Looking at the F355 Challenge Suspension & Swaybar setup vs. all other later challenge cars it seems the sway bars are now thicker at the rear vs the front? F355CH use 24mm front and 19mm rear whereas all later challenge cars use thicker bars at rear? I am sure a lot has to do […]

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What is Critical Damping of Shock Absorbers?

Thumbnail image for What is Critical Damping of Shock Absorbers? September 20, 2012 Technical/ car preparation

A Real World Example of Critical Damping by Brian Hanchey, AST-Moton USA © 2012 AST-Moton USA Introduction The other day I was experimenting with the Evo’s spring rates and setups. While I had the fronts off, I decided to dyno the fronts and do several PVP plots on the dyno to demonstrate the true force […]

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Why Are Suspensions So Soft? – Wheel Rate, Motion Ratio and Frequency

Thumbnail image for Why Are Suspensions So Soft? – Wheel Rate, Motion Ratio and Frequency May 3, 2012 Technical/ car preparation

“Why are Ferrari’s so “soft”?” is a question I get all the time, given my experience with the beautiful red cars… This term is relative, IMO. Ferrari’s are no softer than most other road going cars, even other sporting automobiles. Suspension design is all about compromise with a road car. The environments change, the market […]

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Why Buy Adjustable Shock Absorbers?

Thumbnail image for Why Buy Adjustable Shock Absorbers? April 11, 2012 Technical/ car preparation

So, I know what you’re thinking…”Why in the world would I spend $3,000 or more on one set of shock absorbers for my car? If I can get ______ shocks, which are marketed as performance shocks, for $100 each, what’s the difference?” Simply put, the difference is in the details. Of course, the real answer […]

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Revalving Shocks to Improve Suspension Performance: Delta Vee Motorsports customer review

Thumbnail image for Revalving Shocks to Improve Suspension Performance: Delta Vee Motorsports customer review March 12, 2012 Product reviews

Guest post by Carl in Southern California Wow! You guys missed out. The Buttonwillow track is too fun. There were as smattering of other cars like Radical SR3, Viper, Porsches ,VW’s, Audi, BMW and Mini’s. We get on the track by 9am. Within 2 laps, full throttle over a rise and getting barely airborne the […]

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Lowering Your Car with Threaded Shocks or Spring Collars

Thumbnail image for Lowering Your Car with Threaded Shocks or Spring Collars February 10, 2012 Technical/ car preparation

Sometimes the least expensive modification is the most rewarding. Certainly, lowering your car not only improves appearance, but also performance, especially at the racetrack. You may not know this: your Ferrari is already built for ease of ride height adjustment, that’s where the low cost comes in. The procedure is straightforward. Before you start, schedule […]

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How To Drive in Snow

Thumbnail image for How To Drive in Snow December 27, 2011 Driving techniques

As a performance driving school owner I get asked all the time what’s the best way to drive in snow. I have a “secret” technique to share with you: Separation of Controls will help save your life and property when driving in snow! What is “Separation of Controls?” We’ve all seen the phenomena of the first season’s […]

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