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Complete
307 V8 Engine Specifications:
- General
Specifications
- 307
V8 Engine Option: LV2
- 5.0-liter
(307 cui.) Code 'Y' V8
- Bore:
3.800"
- Stroke:
3.385"
- Compression
Ratio: 8.5:1
- Firing
Order: 1-8-4-3-6-5-7-2
- Block
- Block
Casting Number: 3161
- Block
ID Number: 5A
- Heads
- Head
Casting Number: 3317
- Head
ID Number: 5A
- Combustion
Chamber Volume: 67cc
- Intake
Port Height: 2.03"
- Intake
Port Width: 1.30"
- Int.
Valve Face Angle: 44 degrees
- Int.
Valve Seat Angle: 45 degrees
- Int.
Valve Head Diameter: 1.750"
- Exh.
Valve Face Angle: 30 degrees
- Exh.
Valve Seat Angle: 31 degrees
- Exh.
Valve Head Diameter: 1.500"
- Intake
- Intake
Manifold: Cast Aluminum
- Intake
Manifold Casting ID: A4
- Induction
- 4
bbl. Rochester Quadrajet Carburetor (750
CFM)
- 1
3/32" Venturi
- 1
3/8" Primary Throttle Bores
- 2
1/4" Secondary Throttle Bores
- K&N
Filtercharger (P/N E-1500)
- Ignition
- HEI
Ignition System
- Electronic
Spark Timing
- AC
Delco R46SX Spark Plugs
- Spark
Plug Gap: .080"
- Valve
Train
- 39
degree Lifter Bank Angle
- Hydraulic
Lifter Diameter: .842"
- Push
Rod Length: 8.265"
- Valve
Spring Free Length: 1.960"
- Valve
Spring Pressure @ 1.670": 76-84 lbs.
- Valve
Spring Pressure @ 1.270": 180-194
lbs.
- Camshaft
- Intake
Lobe Lift: .250"
- Exhaust
Lobe Lift: .250"
- Intake
Rocker Lift: .400"
- Exhaust
Rocker Lift: .400"
- Lubrication
- Oil
Capacity (w/o filter change): 4 qts.
(3.75 L)
- Oil
Capacity (w/ filter change): 4.5 qts.
(4.25 L)
- AC
Filter Type: PF-58 (or PF-24 for more
filtering media)
- Oil
Pressure @ 1500 RPM: 30 psi. (206 kPa)
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Copyright © 1999
by Jason Adcock
Date last revised: 31 March 1999
