BluePrint Engines 50 State Legal replacement 350CI 1980-1988 Crate Engine | No ECU Tuning Required on efi models | Small Block GM Style | Longblock | Iron Heads | Hydraulic Flat Tappet Cam
This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!
Part Number: G3508088
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:
- NEW BluePrint 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 Steel Crankshaft
- 3.480" Stroke
- Forged 5.700" connecting rods
- OEM Spec Pistons
- Internal Front/ External Rear
Cylinder Heads:
- Perimiter Bolt Iron Cylinder Heads
Cam Specs:
- Cam Type: Hydraulic Flat Tappet
- OEM Spec per listed vehicles
Ignition Timing:
- OEM Specifications
Also Includes:
- New valve covers
- Oil pan
- Timing cover
- Harmonic Balancer
- Dyno test results shipped with engine
Warranty:
- 30 month / 50,000 mile
Notes:
-
Designed as factory replacement longblock 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 flexplate 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.
This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!
Part Number: G3508088
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:
- NEW BluePrint 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 Steel Crankshaft
- 3.480" Stroke
- Forged 5.700" connecting rods
- OEM Spec Pistons
- Internal Front/ External Rear
Cylinder Heads:
- Perimiter Bolt Iron Cylinder Heads
Cam Specs:
- Cam Type: Hydraulic Flat Tappet
- OEM Spec per listed vehicles
Ignition Timing:
- OEM Specifications
Also Includes:
- New valve covers
- Oil pan
- Timing cover
- Harmonic Balancer
- Dyno test results shipped with engine
Warranty:
- 30 month / 50,000 mile
Notes:
-
Designed as factory replacement longblock 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 flexplate 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.
Customer Reviews
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.
Part Number: G3508088
Fuel Delivery Type: OEM GM TBI and ECU
Spark Plug: ACDELCO CR43TS
Spark Plug Gap: .035"
Harmonic Balancer: BPP350 - Non Weighted, 8" diameter
Flexplate/Flywheel: Late 350 Weighted
Stall Converter: OEM
Fuel Recommendation: 87 Octane
Timing (Initial/Total Advance): Controlled by OEM ECU
Firing Order: 1,8,4,3,6,5,7,2
Recommended Break in Oil : BPP710 (Click Here)
Recommended Service Oil : BPP10W30 (Click Here)
Recommended Oil Filter ; BPP51061 (Click Here)
Total Oil capacity with production oil pan, and Correct BPP51061 Filter : 5 Quarts
Click here to download a copy of the Installation Guide that came with your BluePrint engine.