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Chevrolet - 300 HP 350 C.I.D. CRATE ENGINE | |
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This was the 300 horsepower 350 H.O. crate engine that GMPP use to sell. It has been replaced by the 330 HP 350 H.O. crate engine. This engine has been discontinued and is no longer available. Keys - scperformanceeng, gmperformanceeng, or gmgoodwrencheng for SC, GM, or Goodwrench engines. Use allengine for a complete list of all three. |
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WEB SITE NAVIGATION INFORMATION | |
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350 HO NAVIGATION | |
| GMPP 350 HO & 350 HO Deluxe, 350 HO Options | GMPP 350 HO Circle Track |
| Chevrolet 350 HO Super Deluxe | Chevrolet 350 HO Super Deluxe Pictures |
| Chevrolet Vortec Power XTREME 4x4 350 Main Page | Chevrolet Vortec Power XTREME 4x4 350 Pictures 1 |
| Chevrolet Vortec Power XTREME 4x4 350 Pictures 2 | GMPP 300 HP, 350 HO (Discontinued) |
| Chevrolet Dual-Four Deluxe 350 HO | 350 HO Problem With Dipstick Tube And Headers |
| Chevrolet Dual-Four Deluxe 350 HO Pictures | |
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We have more GM and Chevrolet Performance Engines available. We have more GM Stock Replacement Long-block Goodwrench Engines available. We have more “Gen 3” and “Gen 4” Design Engines available. (LS1, LS2, LS6, LQ4, LS7) |
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300 HP 350 C.I.D. ENGINE DECRIPTION AND SPECIFICATIONS | |
300 HP 350ci ENGINE
12355345This engine has been discontinued. This page will remain here for information only. Webmaster 9-30-99. This “300” HP special performance 350ci engine assembly is designed for street use in your 1968 or earlier car or pick-up trucks. It can be used on any year and model for off highway usage. This 9.1:1 compression performance engine is the perfect engine for that old muscle car feeling. This very reasonably priced engine assembly can be physically installed in place of any 256ci through 400ci engine. This block is the same 4 bolt main design with one piece rear as used in the 350 HO engine. The 64cc cast iron cylinder heads are the non-swirl design for greater performance. This engine also includes “chrome” timing cover and rocker covers. The intake manifold, distributor, flywheel, balancer, water pump, and exhaust manifolds are not included in this engine assembly.  CRANKSHAFT: Nodular cast iron one piece rear main design. (14088527) CONNECTING RODS: 1038 Forged steel. (14031310) PISTONS: Cast Aluminum. (12361371) PISTON RINGS: Standard design. (14089025) CAMSHAFT: New Special Performance Flat Tappet has .435” Intake and .460” exhaust lift. (24502476) CYLINDER HEADS: Cast iron with 64cc chambers, they “include” 1.94” intake and 1.50” exhaust valves, valve springs and caps, with straight type spark plug holes. (12356026) VALVE SPRINGS: This engine uses 1970 Corvette LT1 valve springs. (3911068) TECHNICAL NOTES: This 350 Special Performance 350 V8 engine identification code is “CC”. This is a one-piece rear main seal, and requires a counterweighted flywheel P/N 10105832, 14088646, or 14088650. The flex plate (used on 1986-upV8 P/N 10128412 or 1018413) for correct balance. Balancer P/N 6272221 (6.75”) or 6272224 for (8”) are recommended. Intake manifold P/N 14096011, 10185063, or your personal choice can be used. The distributor is your option on this special performance engine. The dip stick is located on the right-hand (passenger) side; check for clearance when installing in early-model chassis. A 600 or 650 CFM carburetor is sufficient for normal street application. 300 HP 350ci
Engine Part Number: 12355345Special Performance Engine Specifications Displacement: 350 Cubic Inches (5.7L) Horsepower: 300 @ 5000 RPM Torque: 369 Ft. Lbs. @ 3500 RPM Maximum Recommended RPM: 5500 RPM Compression Ratio: 9.1:1 Block: P/N 10105123 Cast Iron with straight four-bolt bearing caps, late model 1-piece rear main seal design. Bore and Stroke: 4.00” x 3.48” Crankshaft: P/N 14088527 Nodular cast iron, 1-piece rear main seal design. Piston Material: P/N 12361371 Cast Aluminum Connecting Rods: P/N 10108688, 1053 Forged Steel Cylinder Heads: P/N 10159592 Bare Head, Cast Iron 64cc Chambers [Old P/N 12356026] Valvetrain: Overhead Valve with Pushrod Camshaft: Hydraulic Flat Tappet Design Intake Valve Dia.: P/N 10093027 1.94” Exhaust Valve Dia.: P/N 14088641 1.50” Advertised Lift (Int/Ext): .435/460 Rocker Arm / Ratio: P/N 10089648 / 1.50 Ratio Valve Lash: Zero Engine Idle Speed: 650 RPM Spark Plugs: R44TS Spark Plug Gap: .035 Oil Pressure (Normal): 40 PSI @ 2000 RPM Fuel Pressure Required: 5 to 8 PSI Spark Timing: 10 BTDC @ 700 RPM |
| View a scanned copy of the 1997 GMPP 350 HO 300 HP catalog page. (414 KB file size) |
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