Is the BluePrint Engines BP3550CTC Engine Discontinued and What Are Its Specifications?
The BluePrint Engines BP3550CTC is a discontinued small-block Chevrolet crate engine that was built around a 355 cubic inch (5.8L) platform using a 4-bolt-main block, Vortec cylinder heads, a carbureted induction system, and complete ignition package. Customers frequently contact support when servicing these older engines because the original product listing is no longer available and replacement parts must often be identified from the original build specifications.
Is the BP3550CTC Still Available?
No. The BP3550CTC has been discontinued. While this engine is no longer in production, many service and maintenance parts can still be sourced using standard small-block Chevrolet applications. What Are the Basic Specifications?
| Specification | Details |
|---|---|
| Engine Part Number | BP3550CTC |
| Displacement | 355 Cubic Inches |
| Engine Family | Small Block Chevrolet |
| Block Style | 4-Bolt Main |
| Rear Main Seal | 2-Piece Rear Main Seal |
| Dipstick Location | Passenger Side |
| Cylinder Heads | Vortec Iron Heads |
| Camshaft | Z103 Hydraulic Flat Tappet |
| Fuel System | Carbureted |
| Intake Manifold | Dual-Plane Aluminum Intake |
| Ignition | HEI-Style Distributor |
| Water Pump | Long Style, Standard Rotation |
| Balance Style | Internal Balance |
What Carburetor Was Used? The BP3550CTC was originally supplied with:
- Holley 0-3310S
- Alternate: Edelbrock 1407 (750 CFM Electric Choke)
What Spark Plugs Does It Use? Factory specifications call for:
- Champion 13 Spark Plugs
- Gap: .045"
What Cylinder Heads Were Used? The BP3550CTC used Vortec-style cylinder heads, which require Vortec-specific intake manifold compatibility.