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This engine is an upgrade for 1996-2000 Chevy trucks or SUVs the ECM must be tuned and headers are needed to get the full potential out of this engine. We test this engine with an aftermarket EFI system on an engine dyno, power ratings may vary. Your engine may not necessarily come with all components listed, but they are listed as our recommendations of parts to run for optimal performance
Engine Specifications:
• HP: 315
• TQ: 400
• Block: OE roller block 4 bolt main 1pc seal 1996-2000
• Bore/Stroke: 4.040” x 3.480”
• Displacement: 350CI
• Crankshaft: OE Reground external balance rear of crank/internal balance front of the crank
• Rods: OE powder metal 5.7”
• Pistons: Hypereutectic 9.3:1 compression
• Rings: Moly
• Camshaft: Hyd. roller
• Cam Specs: 198/210 @50 .435in/.462ex 114LSA
• Timing Chain: Single roller
• Cylinder Heads: Vortec cast iron 64cc 1.94/1.50
• Rocker Arms: Stamped steel 1.5 ratio
• Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some corvettes and 62-67 chevy II’s)
• Oil Pump: Melling STD volume
Recommended Components:
• Balancer: Internally balanced – PowerBond 8” #PB1487-N
• Flexplate/Flywheel: Externally balanced – Pioneer #FRA-159 168 tooth
• Intake Manifold: Stock
• Distributor: Stock (Iron Gear)
• Water Pump: Stock
• Fuel Pump: Stock
• Spark Plugs: Autolite #605
• Spark Plug Wires: Stock
Engine Info:
• Oil: Conventional / Non Synthetic 10W30
• Oil Filter: Wix or K&N
• Timing: 34-36 Degrees
• Tuning: ECM MUST BE TUNED TO RUN PROPERLY. WITHOUT DOING SO THE ENGINE CAN BE DAMAGED.
• Spark Plug Gap: .035”
• Firing Order: 18436572
• Octane: 91+
• Stall Converter: Stock
• Exhaust: 1 5/8 Headers
