CPP MCPV-1 Master Cylinder
CAR SHOP CP31500-c

CPPs MCPV-1 Master Cylinder

After years of solving brake problems and installation issues, Classic

Performance has developed a solution the MCPV-1. Combining all of

the key components of the brake systems into an attractive light weight

(5 lbs) package, the MCPV-1 should be the heart of all modern brake

systems. Featuring a double adjustable proportioning valve, removable

metering valve, stop light control, larger fluid capacity, and smaller size,

the MCPV-1 solves many problems associated with trying to do the same

thing with four or five separate pieces being plumed together. The MCPV-

1 is the master cylinder, proportioning valve, metering valve and stop light

all in one package (Fig. 1). The unique shape allows it be located on the

firewall, under dash or on the frame just about anywhere. Its approximately

the same size as the ever-popular Corvette master cylinder...only

260% lighter (Fig. 2).

The MCPV-1 has two circuits...

front and rear. The front circuit of

the MCPV-1 contains the metering

valve, which is required on cars

that have disc brakes on the front

wheels and drum brakes on the

rear wheels. The metering valve

does not allow any pressure to the

disc brakes until a threshold pres-

sure has been reached. The threshold pressure is low compared to the

maximum pressure in the braking system, so the drum brakes just barely

engage before the disc brakes kick in. Having the rear brakes engage before

the front brakes provides a lot more stability during braking. Applying

the rear brakes first helps keep the car in a straight line.

The rear circuit of the MCPV-1 contains the adjustable proportioning valve

and the maximum rear pressure adjustment. The adjustable proportioning

valve controls the balance of pressure between the front and rear brakes.

For example, if the adjustable proportioning valve was set to 70 percent

and the brake pressure was 1000psi, the front brake would get 1000psi

and the rear brakes would get 700psi, regardless of what type of brakes a

car has. The Maximum Rear Pressure Adjustment controls the maximum

rear pressure allowed to the rear brakes to help prevent rear wheel lock

up. If the Max Rear Pressure Adjustment is set to 500psi and the adjustable

valve set at 70 percent, the front brakes get 30 percent more until the

rear reaches 500psi.

For more information on the MCPV-1 and other quality CPP products,

contact your sales representative today.