BRAKES

At last we have finally worked out how to use the existing pedal box housing and fit an adjustable balance bar.  The problem has been the ‘drive-by-wire’ throttle which has a bulky mechanism and gets in the way of the balance bar system.

Using 3 separate short master cylinders with their own reservoirs, these are all bolted to a machined mounting block.  Inside the pedal box, we have new custom brake and clutch pedals to fit the adjuster mechanism and its drive cable.

We can now plumb the brakes directly to the front and rear circuits using dash 3 lines, without the ABS or the servo.  We are looking into the Bosch Motorsport ABS system but at this stage it is looking a little pricey!  The road car based system fitted to the car as standard will not cope with the tyre slip percentages that highly aero-loaded slicks can reach.

The brakes at the front are now cooled by 51mm bore silicone hose which is fed by a inlet in the front radiator intake.  The centre of the upright machining is ‘spooled’ to allow the cool air to flow to the inside of the disc vanes via a carbon duct.

At the rear we have revised the uprights to move the calipers to the front side of the upright , allowing a handbrake caliper to be fitted to the rear if required.  Moving the weight of the caliper forward also improves the polar moment of inertia.

We will fit 304mm discs all round and 4 pot calipers at the rear too due to the rearward weight distribution.

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