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Speed Secrets Merch
Got questions? I’ve got answers. This is where I post answers to the many questions I receive. You may find the answer to a question you have here (you can use the “Search” tool to the right, or just scroll through the pages and pages…), but if not, you can email it to me (use the big red button to the right).
Q: How do I reduce the amount of “chatter” I get with the tires while cornering?
Q: “I have a question for you – it’s about the ‘tire chatter’ I experience a fair amount of at Sebring. It’s most notable at Turn 7, and to a lesser extent at Turns 5 and 10. Other drivers have described this as me needing to reduce corner speed a bit, as well as not ‘throwing the car in there quite so aggressively,’ but I was wondering if you had other ideas. My setup is that I run a Ford Focus ST with some engine and suspension mods, and Maxxis Victra RC-1 tires. In experimenting on Turn 5 a bit I found that if I relaxed my hands a bit at the apex and let the car run out a bit more to track out, that I could reduce the amount of chatter, but the chatter is still there. I don’t see too much opportunity to do that sort of an adjustment at Turn 7.”
Q: How should I warm up my street tires when driving on a race track?
Q: “Can you comment on the differences between warming up street tires and brakes versus slicks (for track day guys using 200 treadwear tires & general knowledge)?”
Q: Why are new race track surfaces faster? Why do old tires have more grip?
Q: “Why are new track surfaces faster and why do they seem to like old tires? I race regularly at two north Texas tracks (Eagles Canyon and MSR Cresson), both of which have new surfaces. Cresson just received a new top coat and immediately became over a second faster. ECR is essentially a new track. Both tracks are at least a second faster on high heat cycle tires compared to stickers. What is it that makes newer surfaces faster, and why would old tires add to the speed even more?”
Q: Should I adjust brake bias during a race? How do I know when to adjust brake bias?
Q: “I am having trouble with brake bias adjustment. During a stint, are you supposed to advance the bias toward the front or toward the rear?”
Q: How hard should I be braking for a corner on a race track? What about trail braking?
Q: “In a chalktalk you did earlier this year there was a statement: get 2/3rds of the braking done in the first 1/3rd of the brake zone and the last 1/3rd in the last 2/3rds of the brake zone. I want to make sure that I got that right.”
Q: How should I prepare for my first track day?
Q: “How should I prepare for my first track day? It’s organized by a car club – I think they call it a HPDE event.”
Q: Do tires generate the same grip in braking and acceleration as they do in cornering?
Q: “Can you address the g-load differences between cornering and braking. Should tires be able to achieve equal lateral and longitudinal loading?”
Q: Is the turn-in point over-emphasized, and just how important is it?
Q: “I understand that a consistent turn-in is an important concept for novices, but I wonder if we spend too much time thinking about it as people progress through the spectrum. Just as we move from straight line braking to trail braking, should we be de-emphasizing turn-in as something to expect to be consistent? Or, am I missing something more fundamental?”
Q: Do different tires require different amounts of sliding to get the most out of them?
Q: “I wonder how much braking or braking transition points have to do with the changes in tires. I wonder if techniques have evolved with the tires? And does it vary with the type of car.”
Q: How do I know if I’m driving at my limit, or the limit of the car?
Q: “I seem to be pushing the limits NOT OF THE CAR, but my driving abilities lately as I try to improve my lap times. Where do I go from here to improve and not be frustrated with my driving? My lap times have improved with later, harder braking and carrying more speed through the corners.”
Got Questions?
Skills
Types
Subscriptions
Speed Secrets Merch
Got questions? I’ve got answers. This is where I post answers to the many questions I’ve received. You may find the answer to a question you have here, but if not, you have two options: If you want the answer immediately, sign up for my SpeedSecrets.ai app (think of it as “Google on steroids, focused solely on performance/race driving”), or email it to me.
Q: How do I reduce the amount of “chatter” I get with the tires while cornering?
Q: “I have a question for you – it’s about the ‘tire chatter’ I experience a fair amount of at Sebring. It’s most notable at Turn 7, and to a lesser extent at Turns 5 and 10. Other drivers have described this as me needing to reduce corner speed a bit, as well as not ‘throwing the car in there quite so aggressively,’ but I was wondering if you had other ideas. My setup is that I run a Ford Focus ST with some engine and suspension mods, and Maxxis Victra RC-1 tires. In experimenting on Turn 5 a bit I found that if I relaxed my hands a bit at the apex and let the car run out a bit more to track out, that I could reduce the amount of chatter, but the chatter is still there. I don’t see too much opportunity to do that sort of an adjustment at Turn 7.”
Q: How should I warm up my street tires when driving on a race track?
Q: “Can you comment on the differences between warming up street tires and brakes versus slicks (for track day guys using 200 treadwear tires & general knowledge)?”
Q: Why are new race track surfaces faster? Why do old tires have more grip?
Q: “Why are new track surfaces faster and why do they seem to like old tires? I race regularly at two north Texas tracks (Eagles Canyon and MSR Cresson), both of which have new surfaces. Cresson just received a new top coat and immediately became over a second faster. ECR is essentially a new track. Both tracks are at least a second faster on high heat cycle tires compared to stickers. What is it that makes newer surfaces faster, and why would old tires add to the speed even more?”
Q: Should I adjust brake bias during a race? How do I know when to adjust brake bias?
Q: “I am having trouble with brake bias adjustment. During a stint, are you supposed to advance the bias toward the front or toward the rear?”
Q: How hard should I be braking for a corner on a race track? What about trail braking?
Q: “In a chalktalk you did earlier this year there was a statement: get 2/3rds of the braking done in the first 1/3rd of the brake zone and the last 1/3rd in the last 2/3rds of the brake zone. I want to make sure that I got that right.”
Q: How should I prepare for my first track day?
Q: “How should I prepare for my first track day? It’s organized by a car club – I think they call it a HPDE event.”
Q: Do tires generate the same grip in braking and acceleration as they do in cornering?
Q: “Can you address the g-load differences between cornering and braking. Should tires be able to achieve equal lateral and longitudinal loading?”
Q: Is the turn-in point over-emphasized, and just how important is it?
Q: “I understand that a consistent turn-in is an important concept for novices, but I wonder if we spend too much time thinking about it as people progress through the spectrum. Just as we move from straight line braking to trail braking, should we be de-emphasizing turn-in as something to expect to be consistent? Or, am I missing something more fundamental?”
Q: Do different tires require different amounts of sliding to get the most out of them?
Q: “I wonder how much braking or braking transition points have to do with the changes in tires. I wonder if techniques have evolved with the tires? And does it vary with the type of car.”
Q: How do I know if I’m driving at my limit, or the limit of the car?
Q: “I seem to be pushing the limits NOT OF THE CAR, but my driving abilities lately as I try to improve my lap times. Where do I go from here to improve and not be frustrated with my driving? My lap times have improved with later, harder braking and carrying more speed through the corners.”
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