New CPSSP383D4L70E Connect and Cruise Package
Chevrolet Performance is breaking new ground with the launch of the new Connect-and-Cruise crate powertrain systems. They're factory-engineered engine-and-transmission combinations that include all the electronic control modules, wiring harnesses and other key components you need with the simplicity of one part number. Our engineers matched the engines and transmissions for optimal performance and durability, so you can wring out all the horsepower from them with total confidence. The specially calibrated controllers are designed for retrofit installation in older vehicles, for easier and quicker installation and operation, without the need for third-party tuning. Each one comes with an installation kit, including flex plates, covers and other important components to keep typical mid-project parts chasing to a minimum.
Engine and Trans Includes:
•SP383 Deluxe Crate Engine
•4L70e Transmission
•Transmission Control package
The all new SP383 offers Big Block performance with a Small Block price tag. Chevrolet Performance starts with the legendary Fast Burn cylinder heads and the 383cid bottom end, to offer an incredible 445 ft. lbs. of torque @ 4600 rpm with a smooth, linear delivery. The combination of a 3.800 steel crank and a stout .509/.528 lift hydraulic roller camshaft produces 435hp @ 5600 rpm, making the SP383 the benchmark by which all other 383cid small blocks will be measured. GM's testing was completed using a GM single-plane intake manifold, a 750cfm Demon mechanical secondary carb, and 1-3/4 primary x 33 length headers with a 4 collector. A dual-plane intake manifold can be used, but will affect overall peak performance numbers by 15-20 HP.
Specifications:
Power: 435 HP @ 5600 RPM, 445 ft. lbs. of torque @ 4600 RPM
Displacement: 383 CID
Bore x Stroke: 4.00” x 3.80”
Compression Ratio: 9.6:1
Recommended Fuel: 92 Octane
Block: Cast Iron, 1 piece rear seal, 4-bolt main caps
Crankshaft: 4340 Forged Steel
Connecting Rods: HD Powdered Metal Steel
Pistons: Hypereutectic Aluminum
Camshaft: Steel Hydraulic Roller Tappet
Cam Lift: .509” Intake / .528” exhaust
Cam Duration @ .050”: 222 deg. Intake / 230 deg. Exhaust
Lobe Separation: 112 Degree
Cylinder Heads: GM Fast Burn Aluminum Dual Bolt Pattern, 3/8” screw-in rocker studs
Combustion Chamber: 62cc
Valves: .200” Intake/ 1.55” Exhaust
Rocker Arms: Aluminum Roller, 1.5:1 Ratio
Valve Springs: 12625033
Balance: External
Maximum GM Recommended RPM: 6000
Ignition Timing: Base 10 degrees BTDC, 32 degrees total
Engine Includes:
• Fully GM assembled long block
• Black Aluminum Valve covers
• GM Eliminator Single Plane Vortec Intake Manifold
• Oil pump, pick-up and oil pan
• 12-3/4” Auto Trans Flexplate
• 8” Harmonic Balancer
• Front timing cover
• Cast Iron Long Water Pump
• Oil Filter and Adapter
• Passenger Side RH Oil Dipstick and Tube
Warranty:
General Motors limited 2 year / 50,000 mile parts & labor warranty. Click on Document tab above for full details.
Chevrolet Performance 4L70E Transmission
Similar in design to the 4L65E, this 4L70E electronically controlled four speed overdrive transmission is suitable for "LS" series V8 engines producing up to 495 Ft. Lbs of torque. Does Not include torque converter.
Features:
• Increased horsepower and torque capacity
• Heavy duty upgrades including 5 pinion gearsets
• Heat treated stator shaft splines
• Induction hardened turbine shaft
• Seven-plate clutch packs
• Shot peened output shaft
• Revised valve body calibration
• Gear ratios: 1st-3.06, 2nd-1.62, 3rd-1.00, 4th .070
Warranty:
General Motors limited 12 Month warranty. Click on Document tab above for full details.
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