Description
LS Classic Series Classic Crate Engines
LS Classic Series classic crate engines come with the complete line of LS Classic Series components pre-installed and ready to drop-in your classic ride. These crate engines start with a brand new, GM 495 6.2L horsepower “Hot Cam” LS3 right out of the box. Tri-Power look with twin EFI throttle bodies. Complete with chrome tri-power air cleaner, unpainted block and cast BB valve covers. Once completely assembled, the Holley ECU is loaded with a start-up tune, and the engines are run to check for leaks and oil pressure.
Specifications include:
* Compression ratio of 10.7:1
* Recommended fuel is 92 octane
* Cast aluminum block with 6-bolt cross-bolted main caps
* Nodular iron crankshaft
* Powdered metal connecting rods
* Hypereutectic aluminum pistons
* Steel hydraulic roller tappet camshaft
* Valve lift of 0.525 in. for intake and exhaust
* Duration at 0.050 in. is 219 degrees intake and 228 degrees exhaust
* Lobe separation angle is 112 degrees
* Combustion chamber volume is 68cc
* Valve diameter is 2.165 in. for the intake and 1.590 in. for exhaust
* Cast roller trunnion rocker arms with a 1.7:1 ratio
* Internally balanced
* 58x Gen IV reluctor wheel
* Maximum recommended rpm is 6,600
* Recommended torque converter stall is 2,400-2,800
Engines include:
* Fully assembled long block
* Holley Terminator engine management system with O2 sensor and transmission control
* Tri-Power intake system with chrome air cleaner, GM throttle body and injectors
* Oil pump, pick-up and Camaro style oil pan
* Intake manifold, fuel injectors and throttle body
* Harmonic balancer
* Front timing cover
* Billet aluminum valley plate with oil fill tube and breather cap
* Oil filter and passenger side oil dipstick and tube
* High-performance rear dump exhaust manifolds
* 14.000 in. automatic transmission flexplate
American Powertrain can also set up your engine for a manual transmission. Just give us a call!
