ATK HP93C-EFI Chevy LQ4 6.0L 460HP with FITECH EFI



Lead Time: Estimated: 4 - 6 weeks


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Engine Specifications:
• HP: 460
• TQ: 470
• Block: OE LQ4/6.0L Iron
• Bore/Stroke: up to 4.030 x 3.622
• Displacement ( 370
• Crankshaft: OE GM 24 tooth reluctor wheel
• Rods: OE powder metal
• Pistons: Hypereutectic 9.5:1 compression
• Rings: Moly
• Camshaft: Hyd. Roller
• Cam Specs: Custom performance grind
• Timing Chain: OE single roller
• Cylinder Heads: OE aluminum 71cc/210cc 2.00/1.55
• Rocker Arms: OE 1.7 ratio
• Oil Pump: Melling STD Volume
• EFI System: FITECH ultimate LS EFI 500HP Sheet #70002 with trans control
• Fuel Injectors: FITECH 36lb
• Spark Plugs: NGK #3186
• Spark Plug Wires: 8mm

Recommended Components:
• Flexplate/Flywheel: Stock internally balanced
• Balancer: Stock internally balanced/per application
• Water Pump: Per application
• Fuel Pump: Not Provided – must run electric pump

Engine Info:
• Oil: Conventional / Non Synthetic 10W30
• Oil Filter: Wix or K&N
• Timing: Set to factory specifications via PCM module
• Spark Plug Gap: .040”
• Firing Order: 18726543
• Octane: 91+
• Stall Converter: 1800+
• Exhaust: 1 5/8+Headers


Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. ATK reserves the right to substitute parts used in engines if necessary.


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