Overview:
BluePrint BP38318SP GM Small Block Compatible performance short block engine have been dyno tested at our factory with a Holley Classic 750cfm Carburetor and H8002K Cylinder heads and produced 436 horsepower and 443 minimum torque. Not every BP38318SP is Dyno tested. This performance shows the capabilities of this engine. Performance may vary depending upon what cylinder heads, fuel system and intake manifold you choose. This engine features a 4-inch bore which mathematically yields a 377ci with a 3.75-inch stroke. This customizable engine comes with timing cover, harmonic balances, oil pan, hydraulic roller cam, with a 1.6-inch rocker arm, and a high-volume oil pump.
Description:
- Horsepower & Torque: 436 Horsepower / 443 ft. lbs. Torque
- Compression Ratio: 10.0:1
- BluePrint Engines Hydraulic Roller Cam
- BluePrint Engines Hypereutectic Pistons
- BluePrint Engines Cast Crankshaft
Block:
- BluePrint Engines High Strength Cast Iron Block
- Align Honed on Computer-Controlled Machine to Within .0002 Straightness and Roundness
- Cylinders are Sonic Tested for Thickness
- Passenger Side Dipstick
- 4 Bolt Main
- 4.00'' Bore
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Rotating Assembly:
- Cast Crankshaft
- 3.750" Stroke
- New Rods with 150,000 PSI Bolts
- Hypereutectic Pistons, 12cc Dish
- Hastings Moly RingsÂ
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Cam Specs w/ 1.6 Rocker Arm:
-
Hydraulic Roller CamÂ
- .544 Intake / .555 Exhaust Lift
- 230 Intake / 236 Exhaust Duration
- @ .050-110 Degree Lobe Separation
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Ignition Timing:
- 34 Degrees Total (at 3500 RPM)
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Also Includes:
- Heavy Duty Single Roller Timing Set
- High Volume Oil PumpÂ
- Harmonic Balancer
- Timing Cover
-
Oil Pan
Notes:
- This engine features a true 4-inch bore, which mathematically yields 377 CID with a 3.75-inch stroke.
- This engine requires a weighted 8'' harmonic balancer (included), and late 350ci weighted flexplate/flywheel.
- The horsepower and torque numbers derived from Dyno testing with a 750cfm Carb, and with H8002K Cylinder head installed.
- NOT for use in pollution-controlled vehicle.
* A Bronze Distributor Gear is NOT Recommended on this Vehicle.


BETTER THAN THE REST.
The satisfaction of our customers is our highest priority at BluePrint Engines. We use quality components to balance your engine's rotating assembly within two grams of spec. We dyno test your crate engine and certify that it's ready to deliver horsepower and torque.
We give your BluePrint engine the industry's best-in-class warranty for 30-months / 50,000 miles — with the extra confidence only BluePrint can provide. Our warranty applies to individual or professional installations and is fully transferable.
For a detailed overview of our warranty, click here.
IT ALL COMES DOWN TO RESULTS.
We make sure we hit our target horsepower and proper torque with every crate engine. We use an advanced computerized balancer to get our rotating assemblies within two grams, ensuring silky smooth power over the entire RPM range. That's precisely why our engines sound and run better than our competitors.
BRAGGING RIGHTS INCLUDED!
A comprehensive, dyno-generated printout showing these critical specs will accompany your delivered engine. No more guessing or wondering what your installed engine's real-world peak horsepower and torque ratings actually are. Any doubters in the crowd? Simply flash 'em your dyno results!
This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!