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$6,210.99
BluePrint MBP4960CT GM 496 Base Engine, Cast Iron Heads, Flat Tappet Cam
BluePrint MBP4960CT GM 496 Base Engine, Cast Iron Heads, Flat Tappet Cam

BluePrint MBP4960CT GM 496 Base Engine, Cast Iron Heads, Flat Tappet Cam

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BluePrint MBP4960CT GM 496 Base Engine, Cast Iron Heads, Flat Tappet Cam
BluePrint MBP4960CT GM 496 Base Engine, Cast Iron Heads, Flat Tappet Cam
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We estimate this item will ship on or before January 9th.
Part # 227MBP4960CT
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 30 business days for BluePrint Engines to ship this item.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Horsepower:
460 horsepower
Torque:
515 ft./lbs.
Engine Displacement:
496 cu. in.
Crate Engine Type:
Long Block
Cylinder Head Material:
Cast Iron
Piston Material:
Forged Aluminum
Crankshaft Material:
Cast Steel
Intake Manifold Included:
Yes
Distributor Included:
No
MFG. Part #:
MBP4960CT
Valve Covers Included:
Yes
Cylinder Heads Included:
Yes
Rear Main Seal Style:
2-piece
Oil Pan Included:
Yes
Timing Cover Included:
Yes
Water Pump Included:
No
Harmonic Balancer Included:
Yes
Flexplate Included:
No
Flywheel Included:
No
Air Cleaner Included:
No
Spark Plug Wires Included:
No

Info

True Blue Power! BluePrints pro engine builders are enthusiasts just like you and it shows in the quality and performance of every engine they build. Each BluePrint crate engine is carefully dyno tested and ships with printed, proven results. If you’re looking serious horsepower at an affordable price, BluePrint Engines is the choice for you!

GM 496 Base Engine - Cast Iron Heads - Flat Tappet Cam

Overview

  • HP & Torque: 460 HP / 515 FT LBS
  • Compression Ratio: 9.0:1
  • Cast Iron Heads
  • Flat Tappet Cam
  • Cast Steel Crank
  • Part #: MBP4960CT

Block

  • 4 Bolt Main .060 over block
  • two piece rear seal
  • drivers side dipstick
  • 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

Rotating Assembly

  • New cast steel crankshaft internally balanced
  • New 4340 forged connecting rods
  • 150,000 psi rod bolts
  • Forged flat top Pistons
  • Hastings moly rings
  • Rotating assembly balanced to within 2 grams
  • Melling high volume oil pump
  • Heavy duty double roller (high performance) timing set

Cylinder Heads

  • GM cast iron oval port cylinder heads with screw-in studs and guide plates
  • 1.509 dia. Valve springs w/ damper. Hardened retainers & keepers. 2.25 swirl
  • polished intake valves, 1.88 swirl polished exhaust valves
  • Elgin hardened push rods
  • Long slot rockers with postitive lock adjusting nuts

Cam Specs

  • Cam Type: Flat Tappet
  • .544 Intake .547 Exhaust
  • 226 Intake / 236 Exhaust duration
  • @ .050 - 112 degree lobe separation

Ignition Timing

  • 34 Degree Total

Also Includes

  • Marine intake manifold
  • Chrome valve covers
  • Cad plated marine oil pan
  • Brass freeze plug
  • Dyno test results shipped with engine

Warranty

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

Warranties

Warranty Information (PDF)

Notes

Zinc Additive Required For Flat Tappet Application, Recommended Oil For Your BluePrint Crate Engine: 10W30, Non-Synthetic. Not For EGR
Some parts are not legal for use in California or other states with similar laws/regulations

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