GM Big Block Compatible 502 c.i. ProSeries Engine - 621 Horsepower - Base Dressed - Carbureted
GM Big Block Compatible 502 c.i. ProSeries Engine - 621 Horsepower - Base Dressed - Carbureted
GM Big Block Compatible 502 c.i. ProSeries Engine - 621 Horsepower - Base Dressed - Carbureted
GM Big Block Compatible 502 c.i. ProSeries Engine - 621 Horsepower - Base Dressed - Carbureted

GM Big Block Compatible 502 c.i. ProSeries Engine - 621 Horsepower - Base Dressed - Carbureted

SKU: PS502CTC

GM Big Block Compatible 502 c.i. ProSeries Engine - 621 Horsepower - Base Dressed - Carbureted

SKU: PS502CTC

HP & Torque: 621 HP / 560 FT. LBS

Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads

Compression Ratio: 10:1

Camshaft: Hydraulic Roller Cam - .647 Intake / .647 Exhaust Lift and 248 Intake / 254 Exhaust Duration @ .050 - 112° LSA

Pistons: Forged

Crankshaft: Steel Crank - 4.000" Stroke and Forged 6.135" Rods

Regular price $11,399.00
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Description:

  • HP & Torque: 621 HP / 560 FT LBS
  • Compression Ratio: 10.0:1
  • Aluminum Heads
  • Hydraulic Roller Cam
  • Forged Crank
  • Forged Pistons

Block:

  • NEW BluePrint Cast Iron Block
  • Manufactured and Machined in the USA!
  • 4-Bolt Main
  • 4.466" Bore
  • 1-Piece Rear Main Seal
  • Mech fuel pump provision: Yes
  • Standard Deck

Rotating Assembly:

  • New BluePrint Forged Crankshaft
  • 4.000" Stroke
  • Forged H-beam 6.135" connecting rods
  • Forged Pistons
  • Internal

Cylinder Heads:

  • BluePrint Aluminum Cylinder Heads -PS8013
  • 119cc chamber
  • 2.30" intake/1.88" exhaust valves
  • 316cc intake/124cc exhaust runners
  • Cylinder heads feature a .300 in. raised exhaust port vs an OEM casting.
  • Must verify header/exhaust clearance

Cam Specs:

  • Cam Type: Roller
  • .647 Intake .647 Exhaust
  • 248 Intake / 254 Exhaust duration
  • @ .050 - 112-degree lobe separation

Also Includes:

  • Valve covers
  • Oil pan and timing cover
  • Harmonic balancer
  • Plugs and Wires
  • Carburetor
  • Pro Billet Distributor

Notes:

  • Not for use in pollution-controlled vehicles
  • Cylinder heads feature a .300 in. raised exhaust port vs an OEM casting
  • Must verify header/exhaust clearance

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: PS502CTC

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: Single plane, satin aluminum

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

Recommended Break in Oil : BPP710 (Click Here)

Recommended Service Oil : BPP10W30 (Click Here) 

Recommended Oil Filter ; BPP51061 (Click Here)

Total Oil capacity with production oil pan, and Correct BPP51061 Filter : 8 Quarts

Notes: New BluePrint block manufactured and machined in the USA

Header Partners: 
Click here for our Header Partners and recommendations.

Click here to download a copy of the Installation Guide that came with your BluePrint engine.

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)!

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GM SB and BB Compatible Starter – 3 HP – 153 or 168 Tooth Flywheel – Tilton Style - Black
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