BluePrint Engines 355CI Marine Crate Engine | Small Block GM Style | Base Dressed Longblock with Carburetor | Iron Heads | Flat Tappet Cam
Part #: MBP3550CTC
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! Recommended Fuel: 91 Octane
- HP & Torque: 365 HP / 390 FT LBS
Compression Ratio: 9.5:1
Cast Iron Heads
Flat Tappet Cam
Cast Steel Crank
- Hand picked seasoned block
Square and parallel decked
Align honed main bearing bore
Cylinders honed on computer controlled machine to within .0002 straightness and roundness
Cylinders are sonic tested for thickness
4.000" Bored .040" over
1-Piece Rear Main Seal
Mech fuel pump provision: Yes
Passenger Side Dipstick Drilled and tapped for clutch linkage
- Cast steel crankshaft
OEM type 5.700" connecting rods
Internal Front/ External Rear
- GM Vortec cast iron cylinder heads
1.25 dia. valve springs, hardened retainers and keepers
2.02 swirl polished intake valves
1.60 swirl polished exhaust valves
Elgin hardened push rods
Long slot rockers with positive lock adjusting nuts
- Cam Type: Flat tappet
.480 Intake .489 Exhaust
218 Intake / 224 Exhaust duration
@ .050 - 112 degree lobe separation
- Marine intake manifold
Marine Carburetor (Brand will vary due to supply)
Dyno test results shipped with engine
- 12 month unlimited hour on pleasurecraft only. No warranty on commercial use.
- Replaces Standard Rotation engines only. Not available as reverse rotation.
BluePrint Engines recommends the use of a flame arrestor in marine applications, and advises checking local laws to ensure compliance with the United States Coast Guard Requirements for Ignition Protection & Fire Resistance.