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Part Number: HPE-HP32M
ATK High Performance GM 350 Vortec 350 HP Stage 2 Long Block Crate Engines
Engine Assembly, Stage 2 Crate Engine, Truck, Long Block, 1-Piece Main Seal, Chevy, Small Block, 350, Each
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Overview
ATK High Performance GM 350 Vortec 350 HP Stage 2 Long Block Crate Engines
Give your car or truck a little more punch with one of these ATK High Performance GM 350 Vortec 350 hp Stage 2 long block crate engines. These engines are built from the ground up to replace your old, tired mill with a more modern, efficient engine. ATK hand-builds and balances each one these engines to ensure they are great-running, reliable engines that will get you back on the road.
Engine specifications:
* HP: 350
* TQ: 400
* Block: OE roller block 4-bolt main 1-pc seal 1996-2000
* Bore/Stroke: 4.040 in. x 3.480 in.
* Displacement: 350CI
* Crankshaft: OE reground external balance rear of crank/internal balance front of the crank
* Rods: OE powder metal 5.7 in.
* Pistons: Hypereutectic 9.5:1 compression
* Rings: Moly
* Camshaft: Hyd. Roller
* Cam Specs: 220/224 @50 .495in/.502ex 110LSA
* Timing Chain: Double roller
* Cylinder Heads: Vortec cast iron 67cc 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
* Balancer: Internally balanced – PowerBond #PB1046-N
* Flexplate: Externally balanced – Pioneer #FRA-159
* Intake Manifold: ATK HP dual plane
* Distributor: HEI (Iron Gear)
* Water Pump: OE long pump
Recommended components:
* Carburetor: Quick Fuel 680CFM vacuum secondary's electric choke #HR-680
* Fuel Pump: Holley mechanical 110GPH #12-327-11
* Spark Plugs: Autolite #605
* Spark Plug Wires: 8mm
Engine Info:
* Oil: Conventional/Non-Synthetic 10W30
* Oil Filter: Wix or K&N
* Timing: 34-36 Degrees
* Spark Plug Gap: .035 in.
* Firing Order: 18436572
* Octane: 91+
* Stall Converter: Stock
* Exhaust: 1 5/8 Headers
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Instruction Sheets for Part Number HPE-HP32M
Charts & Guides for Part Number HPE-HP32M
Technical Articles for Part Number HPE-HP32M
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