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Chase Bays Brake Booster Eliminator - BMW E30 2002 E21 E28 E34 Porsche VW
The common hearsay of eliminating the booster is that the pedal is too stiff for reasonable braking control. This is due to improper design and setup 100% of the time. The key to great pedal feel and more controlled braking is a properly sized master cylinder in relation to the pedal ratio used and an adjustable proportioning valve in between the rear brake lines.
(Pedal ratio is simply referring the length from the pedal swing mount to where it attaches to the master cylinder). This includes larger sized front and rear calipers, they work perfectly fine with this setup. Rest assured, Chase Bays has you covered. You can get everything you need to properly set up your vehicle in one place.Bigger is not always better with braking components. Increasing the diameter of the master cylinder bore will reduce line pressure, which also reduces clamping force. This is why aftermarket pads are required; the OEM pad compounds do not react quickly enough for the rapid clamping force. If a 1” bore master cylinder were used with the OEM pedal and no brake booster, pushing the pedal would be too stiff to allow the car to brake properly. Braking is more raw without the brake booster. Meaning there is less room for error on a poorly designed setup. If designed properly, the Chase Bays Brake Booster Eliminator yields a very pleasant brake pedal feel not far off from what you’re used to. All while still allowing the braking system to function normally and adding the feature of consistent braking.The pedal ratio needs to be matched to the master cylinder output volume. Its what directly effects how your pedal feels and how your braking functions. With all the main chassis we specialize in, the 7/8ths master cylinder has been a perfect match for the OEM pedal ratio.Brake pressure output is determined by the master cylinder bore size. Vehicles with up to 4 outputs on the master cylinder have a pressure output that is controlled internally by the bore size. The increased number of outputs does not translate to more braking power.
Features
Full kit replaces the OEM brake booster and master cylinder.
Weighs in at 1.38 lbs. Easily eliminates 20+ lbs.
Includes properly designed black anodized aluminum firewall plate, stainless steel mounting hardware, black Wilwood 7/8ths Master Cylinder,and rod end pedal adapter with attachment nut
Aftermarket brake pads required, Hawk HPS equivalent or better
Specifications
-3AN 90º Output fitting
Fits
BMW 2002
BMW E12 BMW E21
BMW E21
BMW E24
BMW E28
BMW E30
BMW E34
Porsche 944
Porsche 928
1990-1999 Volkswagen VW
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