BluePrint Engines 427 ci Small Block GM Style Proseries Crate Engine - 540 Horsepower - Long Block
SKU: BPEPS4272CT1
Horsepower & Torque: 540 Horswepower / 535 FT. LBS. Torque
Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads
Compression Ratio: 10:1
Camshaft: Hydraulic Roller Cam - .577 Intake / .577 Exhaust Lift and 240 Intake / 248 Exhaust Duration @ .050 - 112° LSA
Pistons: Forged
Crankshaft: Forged Steel Crank - 4.000" Stroke and Forged 6.000" Rods
Description:
- Horsepower & Torque: 540 Horsepower / 535 FT. LBS. Torque
- Compression Ratio: 10.0:1
- Aluminum Heads
- Hydraulic Roller Cam
- Forged Crank
- Forged Pistons
Block:
- BluePrint Engines High Strength Cast Iron Block
- Manufactured and Machined in the USA!
- 4-Bolt Main
- 4.125" Bore
- 1-Piece Rear Main Seal
- Mech Fuel Pump Provision: Yes
- Passenger Side Dipstick
- Drilled and Tapped for Clutch Linkage
Rotating Assembly:
- New BluePrint Forged Crankshaft
- 4.000" Stroke
- Forged 6.000" Connecting Rods
- Forged Pistons
- Internally Balanced Front and Rear
Cylinder Heads:
- BluePrint Aluminum Cylinder Heads - HP8103
- 64cc Chamber
- 2.08" Intake / 1.60" Exhaust Valves
- 220cc Intake / 67cc Exhaust Runners
Cam Specs:
- Cam Type: Roller
- .577 Intake / .577 Exhaust Lift
- 240 Intake / 248 Exhaust Duration
- @ .050-112 Degree Lobe Separation
Ignition Timing:
- Initial Timing 10-16° and Total Timing 32-34°
Also Includes:
- Valve Covers
- Oil Pan
- Timing Cover
- Harmonic Balancer
Notes:
- Not for use in pollution-controlled vehicles.
ENGINE ACCESSORY SPECIFICATIONS:
Your BluePrint engine was dyno-tested with the parts and specifications listed below. If you prefer to install a different part, your engine may not produce the horsepower recorded on your dyno sheet.
Part Number: PS4272CT
Fuel Delivery Type: Carbureted
Spark Plug: BPP7938 NGK 7938 BKR5E (.750 inch reach, 14mm thread, 5/8 hex, plug)
Spark Plug Gap: .035"
Harmonic Balancer: Non-Weighted
Flexplate/Flywheel: Non-weighted
Stall Converter: 2200+
Intake Manifold: N/A
Fuel Recommendation: 91 Octane
Timing (Initial/Total Advance): Initial timing - 10-16° and Total timing 32-34°
Firing Order: 1,8,4,3,6,5,7,2
Notes: The new BluePrint block was manufactured and machined in the USA.
Recommended Break-in Oil: BPP710
Recommended Service Oil: BPP10W3
Recommended Oil Filter: BPP51061
Total Oil capacity with production oil pan and Correct BPP51061 Filter: 6 Quarts
Click here to download a copy of the Installation Guide that came with your BluePrint engine.
WARRANTY:
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.
DYNO PROMISE:
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!
