Horsepower & Torque: OEM
Cylinder Heads: Cast Iron
Compression Ratio: OEM
Camshaft: Flat Tappet - .409 Intake / .442 Exhaust Lift and 193 Intake / 203 Exhaust Duration @ .050
Pistons: Hypereutectic
Crankshaft: Cast Crank - 4.000" Stroke and 6.135" Rods
Fuel Recommendation: 87+ Octane Approved
- Description
- Engine Specs
- Parts & Accessories
- Warranty
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.
FITS Various 1989-1995 Chevy / GMC Vans Originally equipped with a 7.4L Engine. See application list below to confirm fitment.
Block:
- BluePrint Engines High Strength Cast Iron Block, 454 BBC
- Manufactured and Machined in the USA!
- Mech Fuel Pump Provision: Yes
- 1-Piece Rear Main Seal
- Standard Deck
- 4.250" Bore
- 4-Bolt Main
Rotating Assembly:
- Cast Crankshaft
- 4.000" Stroke
- OEM Type 6.135" Connecting Rods w/ 150,000 PSI Bolts
- OEM Spec Pistons
- Externally Balanced Front and Rear
Cylinder Heads:
- Iron Heads -3/8 Accessory Bolt Holes on BOTH HEADS
Cam Specs:
- Cam Type: Flat Tappet
- OEM Spec Per Listed Vehicles
Ignition Timing:
- OEM Specifications
Also Includes:
- Timing Cover
- Valve Covers
- Oil Pan
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.
- This engine has 3/8 accessory mounting bolt holes on BOTH HEADS. if your engine has 7/16 bolt holes you will need to source new mounting bolts/possibly sleeve down accessory bracket holes.
- Must confirm fitment with application list above.
- Features External 42.5 oz. imbalance. Recommend BluePrint Engines flywheel 14096987 or BluePrint Engines flex plate 399973.
Blocks
- BluePrint Engines High Strength Cast Iron Block, 454 BBC
- Manufactured and Machined in the USA!
- Mech Fuel Pump Provision: Yes
- 1-Piece Rear Main Seal
- Standard Deck
- 4.250" Bore
- 4-Bolt Main
Cylinder Heads
Iron Heads -3/8 Accessory Bolt Holes on BOTH HEADS
Ignition Timing
Controlled by OEM ECU
Spark Plug
.035 in.
Firing Order
1,8,4,3,6,5,7,2
Rotating Assembly
- Cast Crankshaft
- 4.000" Stroke
- OEM Type 6.135" Connecting Rods w/ 150,000 PSI Bolts
- OEM Spec Pistons
- Externally Balanced Front and Rear
Cam Specs
- Cam Type: Flat Tappet
- OEM Spec Per Listed Vehicles
Stall Converter
OEM
Also Includes
- Timing Cover
- Valve Covers
- Oil Pan
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.
- This engine has 3/8 accessory mounting bolt holes on BOTH HEADS. if your engine has 7/16 bolt holes you will need to source new mounting bolts/possibly sleeve down accessory bracket holes.
- Must confirm fitment with application list above.
- Features External 42.5 oz. imbalance. Recommend BluePrint Engines flywheel 14096987 or BluePrint Engines flex plate 399973.
Your BluePrint engine was dyno tested with the parts and specifications listed below. If you prefer to install a different part, your engine may not produce the horsepower recorded on your dyno sheet.
Parts & Accessories Specs
| Intake Manifold (Not Included) | N/A - Reuse OEM |
|---|---|
| Spark Plug (Not Included) | ACDELCO-CR43TS |
| Harmonic Balancer | BPP454E |
| Flexplate/Flywheel (Not Included) | Weighted Gen V 42.5 oz |
| Fuel Recommendation | 87+ Octane |
| Recommended Service Oil | BPP10W30 |
| Recommended Oil Filter | BPP51051 |
| Total Oil Capacity with Production Oil Pan, and Correct Filter | 8 Quarts |
Header Partners:
- Click Here for our Header Partners and recommendations.
Better Than the Rest.
The satisfaction of our customers is our highest priority at BluePrint Engines. We use quality components to balance your engine's rotating assembly within two grams of spec. We dyno test your crate engine and certify that it's ready to deliver horsepower and torque.
We give your BluePrint engine the industry's best-in-class warranty for 30-months / 50,000 miles — with the extra confidence only BluePrint can provide. Our warranty applies to individual or professional installations and is fully transferable. View detailed overview
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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.