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Chevy Nova Rear Big-Brake and Shocks Upgrade - Heavy Machinery, Part II
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CPP Rear Big-Break Kit
We purchased our big-brake kit complete, front to rear, but you can get the rear kit alone. At any rate, the rear system uses a 12-inch cross-drilled, gas-slotted, zinc-washed rotor that mounts to the factory axles. Longer wheels studs are even included and it mates up to a Lincoln Continental emergency brake-style caliper mounted to the rear axlehousing with CPP custom caliper mounting brackets. CPP kits include the rotors, calipers, brake lines, brackets, cables, hoses, clips, instructions, and necessary hardware to ensure a hassle-free installation. Complete front and rear kits also include a four-wheel-disc manual/power brake master cylinder and proportioning valve kit. Note: This kit requires larger-diameter disc brake-type 15-inch wheels. An easy-to-use wheel template is available. Upgraded red powdercoated calipers are available at extra cost.  We loosened and removed the...  We loosened and removed the four bolts fastening the drum brake assembly to the axle tube. Once gone, we pulled the drums off. No need to save the hardware here, CPP provides all new bolts, washers, and nuts.  What sets CPP's brake kit...  What sets CPP's brake kit above the rest? CPP provides these custom rear caliper brackets, exclusive for this kit. The brackets allow for the use of CPP's specially designed shims to adjust for rotor/axle endplay. Chaffers installed the four T-bolts, which help prevent the bolts from ever loosening.  He installed the washers and...  He installed the washers and tightened each bolt up with a 9/16-inch socket and 3/8-inch wrench.  Next, Chaffers slid the axles...  Next, Chaffers slid the axles back into the housing. He then locked them in with the C-clips, pin, and fastened it down with the set screw.  In what seemed like no time...  In what seemed like no time at all, we were ready to install the 12-inch rotors. Each disc is slotted and drilled to release the gases and heat that builds up between the pad and rotor under braking. This means we shouldn't have any issues with brake fade or overheating the brakes under repeated use.  Our calipers were next. They...  Our calipers were next. They are a two-piston, full floating design and come loaded with the brake pads already fitted in the caliper, cutting down on install time. The best part is they install with two bolts onto the CPP brackets.  Buttoning up the differential...  Buttoning up the differential cover was next. Included in the rear brake kit is a brand-new differential cover gasket-CPP thought of everything. Craig cleaned the area, applied some silicone, laid the new gasket, and reinstalled the cover. We tightened the cover down with a 9/16-inch socket. Note: don't forget to reinstall the brake line bracket.  We removed the Bilstein shocks...  We removed the Bilstein shocks in favor of a single-adjustable QA1 shocks. With a single-adjustable shock, we have 18 positions of compression and rebound available. This way, we can either stiffen or soften the ride, depending on preference and quality we're after. We bolted in the new shocks and fastened it all down with a 1/2-inch socket.  Following the same steps on...  Following the same steps on the driver's side finished up the install. We made sure to perform a full bleed of the entire brake system to remove any air bubbles. Also, it's important to know the break-in procedure for new brakes. Remember, the entire brake system is brand new. We began with some low-speed, very light braking, then progressively increased the speed with heavier braking. This will bed the brake pads with the new rotors.
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