Posts: 695
Joined: Wed Apr 15, 2015 1:22 pm
Location: California, USA
Cars: 1966 Sunbeam Alpine
1997 Ford Crown Victoria
LHE Engine Showroom. (Revised)
X4-M/X8-M Gen I E-Series Introduction: 1963 through 1973
Displacement:
1669cc Single Bank I-Four
3339cc Dual Bank 90 Degree V-Eight
Iron Block/Head Overhead Valve
Cast Crank/Cast Rods/Cast Pistons
Holly Progressive Carburetor @ 14.7:1 AFR
Log Exhaust Manifold
Major Engine Design changes:
1968: Short Cast Manifold to replace restrictive Log manifold.
X4-M/X8-M Gen II E-Series Introduction: 1974 through 1999
1974: Redesigned Aluminum Block/Head to save weight.
1974: Two-Way Catalytic converter added for emissions.
1974: Hypereutectic Pistons replaces Cast pistons for emissions.
1974: Three-Way Catalytic converter upgrade.
1985: Multi-Port Fuel injection Standard + High Flow Three-Way Catalytic converter.
X4-M/X8-M P-Series Introduction: 1963 through 1973
Displacement:
1893cc Single Bank I-Four
3787cc Dual Bank 90 Degree V-Eight
Iron Block/Head Overhead Valve With enlarged ports and roller valvetrain
Cast Crank/Cast Rods/Cast Pistons
Holly Progressive Carburetor @ 13.0:1 AFR
Short Cast Exhaust Manifold
1968: Tubular Exhaust Manifold replaces Short Cast.
The Second Engine family developed by LHE, the Ti-SX Modular 'Big Block'
SX4-M/SX8-M E-Series Introduction: 1974
Displacement:
2430cc Single Bank I-Four
4859cc Dual Bank 90 Degree V-Eight
Aluminum Block/Head SOHC Triple Valve
Cast Crank/Cast Rods/Cast Pistons
Holly Progressive Carburetor @ 14.7:1 AFR
Short Cast Exhaust Manifold
Major Engine Design changes.
1975: Two-Way Catalytic converter added for emissions.
1977: Hypereutectic Pistons replaces Cast pistons for emissions.
1980: Mechanical Fuel injection Optional.
1981: Three-Way Catalytic converter upgrade for improved performance.
1990: Single Port Injection listed as standard equipment. + High Flow Three-Way Catalytic converter upgrade for improved performance.
1995: VVL/VVT Introduced. + Multiport Fuel Injection replaces Single Port.
2014: Direct Injection listed as standard equipment.
SX4-M/SX8-M P-Series Introduction: 1974
Displacement:
2709cc Single Bank I-Four
5418cc Dual Bank 90 Degree V-Eight
Aluminum Block/Head SOHC Triple Valve
Forged Crank/I-Beam Rods/Forged Pistons
Holly Progressive Carburetor @ 13.5:1 AFR
Tubular Exhaust Manifold
Major Engine Designe changes.
1974: Mechanical Fuel injection Optional.
1975: Two-Way Catalytic converter added for emissions.
1981: Three-Way Catalytic converter upgrade for improved performance.
1988: Single Port Injection becomes standard equipment.
1990: High Flow Three-Way Catalytic converter upgrade for improved performance.
1990: Lightweight Forged Pistons replace Forged Pistons.
1992: VVL/VVT Introduced
1994: Sequential Multiport Fuel Injection replaces Single Port.
2014: Direct Injection listed as standard equipment.