Description:
- Horsepower & Torque: 260 Horsepower / 342 FT. LBS. Torque
- Gain of up to 50 Horsepower and 42 Ft lbs. vs Factory.
- Compression Ratio: 9.2:1
- 1987-1995 GM Iron Heads
- Hydraulic Roller Cam
- Cast Crankshaft
- Hypereutectic Pistons
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
- Hypereutectic Pistons
- Internally Balanced Front - Externally Balanced Rear
Cylinder Heads:
- 1987-1995 GM Iron Cylinder Heads
- 64cc Chamber
- 1.94" Intake / 1.50" Exhaust Valves
Cam Specs:
- Roller
- .447 Intake / .459 Exhaust Lift
- 201 Intake / 208 Exhaust Duration
- @ .050-117 Degree Lobe Separation
Ignition Timing:
- Controlled by OEM Computer
Also Includes:
- New Valve Covers
- Rear Sump Oil Pan
- Timing Cover
- Harmonic Balancer
Recommended Break in Oil: BPP710 (Click Here)
Recommended Service Oil: BPP10W30 (Click Here)
Recommended Oil Filter: BPP51061 (Click Here)
Notes:
- Not for use in pollution-controlled vehicles.
- Tested in a factory equipped 1987-1995 OEM 5.7 truck with factory torque converter, fueling system, and ECU, while using 87 octane fuel.
- Engine Designed specifically to install in OEM 87-95 TBI trucks without any tuning or fuel system upgrades required.
- Recommended spark plugs are ACDELCO CR43TS with .035" gap
- Designed as increased horsepower, factory style long block. Customer to re-use existing intake manifold, ecu, and fuel system from 87-95 350 truck engine. Excellent upgrade for an 87-95 truck, gaining Roller cam, 4 bolt main, and horsepower, otherwise retaining OEM components, such as torque converter and exhaust.
BETTER THAN THE REST.
At BluePrint Engines, customer satisfaction is our highest priority. Every engine is built using high-quality components, with each rotating assembly balanced to within two grams of specification. Before shipment, every crate engine is dyno tested and certified to ensure it is ready to deliver the horsepower and torque you expect.
To stand behind that level of quality, BluePrint Engines offers industry-leading warranty coverage, providing confidence and peace of mind whether the engine is installed by an individual or a professional installer. Our standard warranty is fully transferable, adding long-term value and reassurance for our customers.
Warranty Coverage Details:
- BluePrint Engines (including Builder Series)- Standard Warranty 30 months or 50,000 miles (parts and labor)*
- BluePrint Engines Extended Warranty- 48 months or unlimited miles (parts and labor)*
- Race / Motorsports Engines -No warranty
- Marine Engines- 12 months (parts and labor)
- Short Blocks-12 months (parts only)
- Bare Blocks- 6-Month Unaltered
- International Sales- Warranty coverage is handled by the in-country distributor
*Applies to eligible engine part numbers beginning with “B” or “P.” Warranty coverage is subject to terms and conditions. Proper installation and maintenance are required.
Please refer to full warranty documentation for complete details click here.
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!
This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!

