Click on image to zoom

MBP3550CTC BluePrint Engines 355CI 365HP Marine Crate Engine, Small Block GM Style, Dressed Longblock with Carburetor, Iron Heads, Flat Tappet Cam

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

MBP3550CTC
BluePrint Engines 355CI Marine Crate Engine, Small Block GM Style, Base Dressed Longblock with Carburetor, Iron Heads, Flat Tappet Cam
Sold
Availability: Item has been discontinued and is no longer available.
Shipping: No Longer Available

Description

DESCRIPTION:
HP & Torque: 365 HP / 390 FT LBS
Compression Ratio: 9.5:1
Cast Iron Heads
Flat Tappet Cam
Cast Steel Crank
Hypereutectic Pistons

BLOCK:
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-Bolt Main
4.000" Bored .040" over
1-Piece Rear Main Seal
Mech fuel pump provision: Yes
Passenger Side Dipstick Drilled and tapped for clutch linkage

ROTATING ASSEMBLY:
Cast steel crankshaft
3.480" Stroke
OEM type 5.700" connecting rods w/ 150,000 psi bolts
Hypereutectic pistons
Internal Front/ External Rear

CYLINDER HEADS:
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 SPECS:
Cam Type: Flat tappet
.480 Intake .489 Exhaust
218 Intake / 224 Exhaust duration
@ .050 - 112 degree lobe separation

ALSO INCLUDES:
Marine intake manifold
valve covers
Carburetor
Distributor
Oil pan
Brass freeze plug
Dyno test results shipped with engine

WARRANTY:
12 month unlimited hour on pleasurecraft only. No warranty on commercial use.

NOTES:
Replaces Standard Rotation engines only. Not available as reverse rotation.
WARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov

Application List

Universal

Details

  • MBP3550CTC
  • MBP3550CTC
  • BluePrint Engines
  • Item has been discontinued and is no longer available.
  • New

Categories

Shipping Information

  • Item Requires Shipping
  • 500.0 lbs.
  • W5.0000” x H5.0000” x L5.0000”
  • Free Shipping!
  • This item will require a special quote for shipping charges.
  • No Longer Available

Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.



Trusted Specialists GM engine & parts specialists
Located in the USA Owned, operated, & employed
Need Assistance? Call us at 888-748-4655
Mon-Thu 8am-6pm EST
Fri 8am-5:30pm EST
Have a Question Email us and we'll get back to you within 24 hours