Chevrolet Performance ZZ427/480 427ci Connect & Cruise Powertrain System T56 Super Magnum
809-19331572K2
Product Q&A
View Now
ZZ427/480 TECH SPECS:
- Engine Type: Chevy Big-Block V-8
- Displacement: 427ci
- Bore x Stroke: 4.250'' x 3.750''
- Block: Cast-iron with four-bolt main caps
- Crankshaft: Forged steel
- Connecting Rods: Forged steel
- Pistons: Forged aluminum
- Camshaft Type: Hydraulic roller
- Camshaft Lift: .527'' intake / .544'' exhaust
- Camshaft Duration (@.050 in.): 224° intake / 234° exhaust
- Cylinder Heads: Aluminum oval port, 110cc combustion chambers
- Valve Size: 2.190'' intake / 1.880'' exhaust
- Compression Ratio: 10.1:1
- Rocker Arms: Aluminum roller style
- Rocker Arm Ratio: 1.7:1
- Distributor: HEI type
- Carburetor: 770-cfm
- Water Pump: Aluminum, short-style
- Spark Plugs and Wires: Included
- Flexplate: 14'' diameter, internally balanced
- Recommended Fuel: 92 octane
- Ignition Timing: Base 10° BTDC, 36° Total
- Maximum Recommended RPM: 6400
- Balanced: Internal
INSTALLATION NOTES:
- Due to crate fitment, the carburetor is shipped in a separate box and needs to be installed by an engine installer
- Requires addition of starter and fuel pump (not included)
- Clutch linkage bosses are drilled and tapped. When using cast-iron exhaust manifolds, lower head bolts may need to be replaced with bolts with shorter heads for clearance
- Designed for pre-1976 street vehicles or any off-road vehicle
- Not intended for marine applications
- Distributor with melonized steel gear MUST be used with long-blocks and partial engines with steel camshafts, or engine damage will occur.
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Specifications:
Will this drop into a 1970 Nova, previously had the 396 with a m21 4 speed
Will this fit my 66 impala ss. It has a 327 / with a 4 speed Saginaw on the floor
Does this block accept a manual fuel pump?
Will this fit in my 97 Silverado P\U truck ??? step side
Will this fit my 74 z28
67 chevelle with 4 spd 396 cu will it fit
Will this set up fit in my 69 chevy impala
Will this work in a '69 Chevelle SS396 4 speed?
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.