If you want a small-block Chevy near 400 horsepower, the listed options include a 350-cubic-inch engine rated at 341 horsepower, two 383s rated at 436 horsepower, and a 400-cubic-inch engine rated at 500 horsepower. No listed product is a 400-hp 350, so compare the 350 for displacement, the 383s for power near the target, and the 400 for a larger, higher-output build.
| Engine | Listed Output | Configuration | Best For |
|---|---|---|---|
| 350 c.i. | 341 HP / 371 ft-lb | Base dressed, carbureted | Keeping 350 displacement |
| 383 c.i. | 436 HP / 443 ft-lb | Deluxe dressed, carbureted | Carbureted power above 400 HP |
| 383 c.i. | 436 HP / 443 ft-lb | Base dressed, fuel injected | Fuel-injected 383 option |
| 383 c.i. | 436 HP / 443 ft-lb | Base dressed, carbureted | Carbureted 383 alternative |
| 400 c.i. | 500 HP / 500 ft-lb | Long block | Higher-output 400-cubic-inch build |
BluePrint 350 Base-Dressed Carbureted Engine
Best for: Buyers who prioritize 350-cubic-inch displacement and a carbureted setup over reaching 400 horsepower. The listed output is 341 HP and 371 ft-lb, making this the closest displacement match in the selection, but it is below the requested power target.
It has aluminum cylinder heads, a 9.2:1 compression ratio, a hydraulic roller cam, hypereutectic pistons, and a cast crank with a 3.480-inch stroke and 5.700-inch rods. It was selected as the direct 350-inch comparison. Limitation: Its listed horsepower is 59 HP short of 400.
BluePrint 383 Deluxe-Dressed Carbureted Engine
Best for: A buyer seeking a carbureted small-block with more than 400 HP and a deluxe-dressed configuration. This 383 is rated at 436 HP and 443 ft-lb, putting it 36 HP above the stated target.
Features include aluminum cylinder heads, 10:1 compression, a hydraulic roller cam, hypereutectic pistons, and a steel crank. The 3.750-inch stroke and 5.700-inch rods distinguish its listed specifications from the 350. It was selected as the higher-output carbureted alternative. Limitation: It is a 383, not a 350, and its output exceeds 400 HP.
BluePrint 383 Base-Dressed Fuel-Injected Engine
Best for: Buyers comparing a fuel-injected 383 with carbureted alternatives. Its listed output is 436 HP and 443 ft-lb, with aluminum heads, 10:1 compression, a hydraulic roller cam, hypereutectic pistons, and a steel crank.
The 3.750-inch stroke and 5.700-inch rods are specified in the product details. This engine was selected for shoppers who want the listed 383 output in a fuel-injected configuration. Limitation: The provided information does not specify the fuel-injection system details, and this is not a 350-cubic-inch engine.
BluePrint 383 Base-Dressed Carbureted Engine
Best for: A buyer who wants the 436-HP 383 specification in a base-dressed carbureted configuration. It shares the listed aluminum heads, 10:1 compression, hydraulic roller cam, hypereutectic pistons, steel crank, 3.750-inch stroke, and 5.700-inch rods with the other 436-HP 383 options.
Choose this if the carbureted setup and base-dressed configuration suit the project. It was selected to let buyers compare the carbureted 383 against the fuel-injected and deluxe-dressed versions. Limitation: It is 36 HP above the target and has more displacement than a 350.
BluePrint 400 Long-Block Engine
Best for: Buyers who want a 400-cubic-inch small-block and are considering substantially more than 400 HP. The listed rating is 500 HP and 500 ft-lb. Its specifications include aluminum heads, 10.3:1 compression, a hydraulic roller cam, forged pistons, and a forged-steel crank.
The listed crank has a 3.750-inch stroke and 5.700-inch rods. This option was selected as a higher-output displacement alternative. Limitation: It is a 400-cubic-inch long block, not a 350, and its stated output is 100 HP above the target.
Buying Guide: Choosing A Small-Block Crate Engine
Should you prioritize 350 displacement or 400 horsepower?
Start with the project’s displacement requirement. Among these listings, the 350 is rated at 341 HP, while the 383 options are rated at 436 HP. If retaining 350 cubic inches is essential, the listed engine does not meet the 400-HP goal. If a larger displacement is acceptable, the 383s are closer in output.
Which configuration should you compare?
Compare carbureted and fuel-injected versions based on the setup you intend to use. The listed 383 choices include both fuel-injected and carbureted configurations; the 400 is identified as a long block. Check the product listing and build requirements for included components before deciding, since the supplied details do not fully describe every included part.
What engine specifications matter beyond horsepower?
Review torque, compression ratio, camshaft specifications, crank material, and displacement alongside horsepower. The listed 383s produce 443 ft-lb, compared with 371 ft-lb for the 350 and 500 ft-lb for the 400. Confirm that the selected engine’s specifications suit the vehicle and intended build; these product details do not establish fitment or compatibility with a particular vehicle.
Frequently Asked Questions
Is there a 400-HP 350 crate engine in this selection?
No. The listed 350 is rated at 341 HP. The closest listed alternatives above 400 HP are 383-cubic-inch engines rated at 436 HP.
Which listed engine is closest to 400 horsepower?
The 350 is rated at 341 HP, 59 HP below the target. The 383s are rated at 436 HP, 36 HP above it.
Are the 383 engines the same configuration?
No. The options include base-dressed carbureted, base-dressed fuel-injected, and deluxe-dressed carbureted versions. Their listed output and core specifications are otherwise the same.
Is the 500-HP engine a 350?
No. It is listed as a 400-cubic-inch long block with 500 HP and 500 ft-lb.
What does the supplied information not confirm?
It does not confirm fitment for a specific vehicle, every included component, or installation requirements. Verify those details with the product listing and your project specifications before purchase.