14.06.2020, 17:34
GM bietet einen neuen Crate Engine auf LS7 Basis an.
https://www.chevrolet.com/performance-pa.../ls427-570
578 PS und 732 Nm (570HP und 540 LB FT)
LS427/570 Tech Specs
https://www.chevrolet.com/performance-pa.../ls427-570
578 PS und 732 Nm (570HP und 540 LB FT)
LS427/570 Tech Specs
- Part Number: 19420191
- Engine Type: LS-Series Small-Block V-8
- Displacement (cu. in.): 427 (7.0L)
- Bore x Stroke (in.): 4.125 x 4.000 (101.6 x 92 mm)
- Block (P/N 12602689): Cast aluminum block with 6-bolt, cross-bolted main caps
- Crankshaft (P/N 12611649): Forged steel
- Connecting Rods (P/N 12661677): Forged titanium
- Pistons: Hypereutectic aluminum
- Camshaft Type (P/N 19419859): Hydraulic roller
- Valve Lift (in.): .591 intake/.590 exhaust
- Camshaft Duration (@.050 in.): 227º intake/242º exhaust
- Camshaft Lobe Separation Angle: 116º
- Cylinder Heads: CNC-ported LS7-style ports with 70 cc combustion chambers
- Valve Size (in.): 2.200 titanium intake, 1.610 sodium-filled exhaust
- Compression Ratio: 11.0:1
- Rocker Arms: Investment-cast, roller-bearing trunnion
- Rocker Arm Ratio: 1.8:1 (offset intake)
- Recommended Fuel: Premium pump
- Maximum Recommended RPM: 7000 rpm
- Balanced: Internal