GM Small Block Compatible 383 c.i. Engine – 436 Horsepower – Base Dressed – Carbureted

This engine is designed and manufactured to factory specs for the specified vehicles below. It’s manufactured using tighter machining tolerances, higher quality components, and finer balancing of the rotating assembly to make this engine better than the original while still meeting the description of a “replacement” engine.

View the Application List HERE

Block:

• NEW BluePrint Cast Iron Block
• 4-Bolt Main
• 4.000″ Bore
• 1-Piece Rear Main Seal

Rotating Assembly:

• Ford, Machined and Balanced by BluePrint Engines
• 3.000″ Stroke
• OEM Type 5.090″ Connecting Rods
• Hypereutectic Pistons
• 50 oz Externally Balanced Front and Rear

Cylinder Heads:

• Cast Iron Heads

Cam Specs:

• Cam Type: Hydraulic Flat Tappet
• OEM Spec Per Listed Vehicles
• Firing Order: 1-5-4-2-6-3-7-8

Ignition Timing:

• OEM Specifications

Also Includes:

• Valve Covers

Notes:

• Designed as factory replacement long block for specified vehicles and year ranges, using OEM specification parts. Customer to re-use existing intake manifold, ecu (if equipped), exhaust, fuel system etc. Modification or replacement of provided tinware, and minor accommodations such as dipstick location may be required. 
• Specifically designed as an OEM spec engine to meet emissions requirements of the specified vehicles, to meet the criteria of “replacement engine” in all 50 states. 
• MUST see attached application list above for fitment.
• Recommended Spark Plug: NGK2683