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Why don't race cars use brake boosters and does your master cylinder size really matter all that much compared to your brake caliper sizing?
In this video, we talk to Kirk from Tilton Engineering about the importance of creating a perfectly balanced braking system for your motorsport vehicle. He discusses the differences between tandem master cylinders and dual master cylinders, the importance of pedal ratio, and how to size your master cylinders and calipers correctly.
Key takeaways:
- Dual master cylinders are typically used in motorsport vehicles because they provide better brake balance and tunability.
- The size of your master cylinders should be based on the piston sizes in your calipers, rotor diameter, tire diameter, vehicle weight, weight distribution, and pedal ratio.
- A manual brake system will give you more driver feedback and a firmer pedal feel than a boosted system.
- The typical pedal ratio for an OEM vehicle with a brake booster is 4:1.
- The typical pedal ratio for a motorsport vehicle with a dual master cylinder is 5:1 to 6.5:1.
- The balance bar on a dual master cylinder allows you to make fine adjustments to your brake bias on the track.
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TIME STAMPS:
00:00 - Intro to Performance Braking Systems
00:04 - Kirk from Tilton on Balanced Braking
00:09 - Transitioning from Street to Motorsport Braking
00:14 - Understanding Motorsport Braking Setups
00:31 - Dual Master Cylinder Setup Explained
00:43 - Achieving Braking Balance with Master Cylinder Sizing
00:56 - Factors Affecting Master Cylinder Sizing
01:01 - The Role of Pedal Ratio in Braking
01:09 - On-Track Braking Balance Adjustability
01:26 - Benefits of Manual Braking Systems
01:37 - Driver Feedback and Brake Pedal Feel
01:59 - Sizing Dual Master Cylinders for Motorsport
02:15 - Starting Point for Braking System Specs
02:24 - Caliper Sizing and Master Cylinder Considerations
02:58 - Pedal Ratio Differences in OEM vs Motorsport Vehicles
03:31 - Setting Up the Balance Bar for Initial Brake Bias
04:08 - Making Adjustments with the Balance Bar Dial
04:52 - Comprehensive Approach to Spec Braking Systems
05:19 - Predicting Master Cylinder Sizes with a Program
05:44 - Real-World Adjustments Post-Mathematical Predictions
05:51 - Learn More about Tilton Engineering Products
6:00 - BUILD | TUNE | DRIVE
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FREE LESSONS:
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LINKS:
Website and Courses: [ Ссылка ]
Podcast: [ Ссылка ]
Merch (HPA tees & hoodies): [ Ссылка ]
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TAGS:
#highperformanceacademy #learntotune #enginebuilding101 #dontletthesmokeout #wiring101 #dieseltuning #datanerd #gofasterwithdata #racecraft #learndriveoptimise #motorsport #buildtunedrive
