BluePrint Engines BP38350CT1 383 C.I.D. Stroker Crate Engine – For 1996–2000 GM Vortec Truck/SUV Applications
Transform your truck or SUV into a torque monster with the BluePrint Engines BP38350CT1—a direct replacement for 1996–2000 GM 5.7L Vortec applications, now stroked to 383 C.I.D. for more power, torque, and throttle response. This engine is ideal for towing, hauling, or just upgrading your ride’s performance while keeping stock drivability.
Built with all-new BluePrint components and backed by a 30-month/50,000-mile warranty, this long block is dyno-tested and ready for action.
Key Features & Benefits
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Horsepower & Torque: Up to 395 HP / 415 lb-ft
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Perfect Fitment: Direct replacement for Vortec 5700 (5.7L) engines in ’96–’00 GM trucks/SUVs
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Stroker Advantage: 383 cubic inches means more low-end torque—ideal for towing and off-road
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Street-Friendly: Runs on 87-91 octane fuel depending on tuning and load
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Built for Longevity: BluePrint blocks, forged internals, and tight tolerances
Technical Specifications
| Category | Details |
|---|---|
| Displacement | 383 C.I.D. / 6.3L |
| Block | BluePrint Cast Iron 4-bolt Main |
| Crankshaft | Cast Steel 3.800” Stroke |
| Pistons | Hypereutectic |
| Connecting Rods | 5.7” I-beam |
| Compression Ratio | 9.5:1 |
| Camshaft | Hydraulic Flat Tappet (~.480 lift) |
| Cylinder Heads | GM Vortec Iron |
| Rear Main Seal | 1-piece |
| Balance | External (Same as OEM Vortec 5.7L) |
| Horsepower | ~395 HP |
| Torque | ~415 lb-ft |
| Fuel Type | Gasoline (Premium recommended for peak output) |
| Warranty | 30-Month / 50,000-Mile Limited Warranty |
What’s Included:
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Fully assembled long block
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Vortec iron cylinder heads (assembled)
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Timing set & cover
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Harmonic balancer
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Valve covers
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Oil pan
Note: Does not include intake manifold, carburetor/fuel injection, distributor, or ECM—sold separately for customization flexibility.
Why Choose the BP38350CT1 from BluePrint?
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Direct OEM Fitment – Drop-in upgrade for 1996–2000 GM 5.7L Vortec
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Stroker Power – Big increase in torque without major mods
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Hand-Assembled in the USA – Precision machining and balancing
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Dyno-Tested – Comes with test sheet to prove performance
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Industry-Leading Warranty – 30 months or 50,000 miles of coverage
Ideal Applications:
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1996–2000 GM Trucks (Silverado, Sierra, C/K Series)
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Suburban, Tahoe, Yukon
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Express / Savana Vans
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Custom swaps using Vortec engine platforms
Recommended Pairings:
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BluePrint EFI or Carbureted Intake Manifolds
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HEI Distributors or MSD Ignition Systems
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High-flow Fuel Delivery Kits
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Custom ECM tuning for optimal output
