SKU: G3508088
BluePrint Engines GM Small Block Compatible 350 C.I. Long block - 50 State Legal 80'-88'
$4,999.00
350 c.i. 0 Horsepower Long Block

Horsepower & Torque: OEM

Cylinder Heads: Perimeter Bolt Iron

Compression Ratio: OEM

Camshaft: Hydraulic Flat Tappet - .390 Intake / .4010 Exhaust Lift and 194 Intake / 203 Exhaust Duration @.050-112° LSA

Pistons: Hypereutectic

Crankshaft: Cast Crank - 3.480" Stroke and 5.700" Rods

Fuel Recommendation: 87+ Octane

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Financing available at checkout with Affirm

Description:

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:

  • BluePrint Engines High Strength Cast Iron Block
  • 4-Bolt Main
  • 4.000" Bore
  • 1-Piece Rear Main Seal
  • Mech Fuel Pump Provision: Yes
  • Passenger Side Dipstick
  • Drilled and Tapped for Clutch Linkage

Rotating Assembly:

  • Cast Crankshaft
  • 3.480" Stroke
  • Forged 5.700" Connecting Rods
  • OEM Spec Pistons
  • Internally Balanced Front - Externally Balanced Rear Engine 

Cylinder Heads:

  • Perimeter Bolt Iron Cylinder Heads

Cam Specs:

  • Hydraulic Flat Tappet
  • OEM Spec Per Listed Vehicles

Ignition Timing:

  • OEM Specifications

Also Includes:

  • New Valve Covers
  • Rear Sump Oil Pan
  • Timing Cover
  • Harmonic Balancer

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. 
  • If your vehicle was originally equipped with a 2-piece rear main seal crankshaft, a new flex plate or flywheel will be required. Note for those same early applications, this block features the dipstick on the Passenger side. 
  • Must verify with application list linked above for fitment.

WARNING: Cancer and Reproductive Harm
Bragging Rights Included.

EVERY BLUEPRINT ENGINE ACES THE DYNO TEST

We make sure we hit our target horsepower and proper torque with every crate engine. We use an advanced computerized balancer in our in-house dyno testing rooms 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.

All specs, zero speculation: A comprehensive, dyno-generated printout showing your critical engine specs will accompany your delivered engine — every time. 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 exact engine’s dyno results.

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