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Buick 215 V-8

Buick 215 Specifications and Blueprinting


General Specifications for the 215 Cubic Inch V-8. The following information has been directly complied from original Buick service manuals.


BOLT TORQUE SPECIFICATIONS
                  
Area Lb. Ft.
Crankcase Drain 30-35
Water pump and timing chain cover to block 20-25
Water pump cover to timing chain cover 6-8
Water outlet to intake manifold 20-25
Intake manifold gasket clamp to block 10-15
Intake manifold to cylinder head 25-30
Exhaust manifold to cylinder head 10-15
Carburetor to intake manifold 12-15
Fuel Pump to timing chain cover 20-25
Camshaft sprocket to camshaft 40-45
Rocker arm shaft bracket to cylinder head 25-30
Rocker arm cover to cylinder head 3-5
Cranking motor to cylinder head 30-35
Distributor clamp to timing chain cover 14-17
Generator bracket to timing chain cover 30-35
Generator brace to timing chain cover 30-35
Generator to mounting bracket 25-35
Generator rear end frame to exhaust to exhaust manifold 14-17
Generator brace to generator 15-20
Crankshaft bearing cap to crankcase, all except rear 50-55
Crankshaft bearing cap to crankcase, rear 65-70
Cylinder block water drain 15-20
Cylinder head to block 50-55
Motor Mount to Cylinder Block 50-55
Upper flywheel housing to cylinder block 30-35
Lower flywheel housing to block and upper flywheel housing 8-12
Flywheel to crankshaft 50-60
Harmonic balancer to crankshaft 140-150
Connecting rod bolt 30-35
Oil pan to block 6-15 initial
3-5 residual
Oil screen housing pipe and flange assembly to block 10-15
Timing chain cover to block 20-25
Oil pressure relief valve 30-35
Filter bypass valve 30-35
Oil pump cover assembly to timing chain cover 10-15
Oil pressure 8-10
Fan and pulley to water pump hub 15-20
Pulley and reinforcement to harmonic balancer 15-20
Engine mount to cylinder block 50-55
Engine mount to frame bracket 50-65
Intake manifold and transmission idler lever bracket to cylinder head 25-30
Buick 215 Head Torque Pattern


GENERAL SPECIFICATIONS
Engine Type 90° V-8
Valve Arrangement In Head
Bore and Stroke 3.500 x 2.800
Piston Displacement 215 Cu. In.
Compression Ratio
- Standard
- Power Pack
- Export

8.8 to 1
10.25 to 1
7.6 to 1
Brake Horsepower @ RPM
- Standard
- Power Pack
- Export

160 @ 4600
185 @ 4800
145 @ 4600
Foot Pounds Torque @ RPM
- Standard
- Power Pack
- Export

220 @ 2400
23 0@ 2800
205 @ 2400
Octane Requirement
- Standard
- Power Pack
- Export

84 Motor 93 Research
88 Motor 99 Research
83 Research
Taxable Horsepower 39.2
Cylinder Numbers Front to Rear Right Bank 2-4-6-8
Left Bank 1-3-5-7
Firing Order 1-8-4-3-6-5-7-2
Cylinder Block Material Aluminum
Cylinder Liners Non Replaceable Cast Iron
Crankshaft Bearings Number and Type 5 replaceable liners
Material Durex 100A
Bearing Which Takes End Thrust No. 3
Connecting Rod Bearings - Type Replaceable liner
Material Durex 100A

 

Piston and Piston Pin Specifications
Piston Material and Surface Treatment Aluminum Alloy - Tin Treated
Piston Pin Offset none

 

Compression Ring Material & Surface Treatment
Top Iron - Chrome Plated
#2 Iron - Lubricated
Oil Ring Type Dual Steel Rail Chrome Plated
Oil Ring Expander Steel Spacer Expander
Location of All Piston Rings Above Piston Pin

 

Camshaft Specifications
Type and Material Cast Alloy Iron
Camshaft Drive Chain
Number and Type of Camshaft Bearings 5 Steel Backed Babbit
Valve Lifter Type Hydraulic
Valve Spring Type Single Helical
Oil System Type Forced Feed

Oil System Specifications
Oil Supplied to Bearing Surfaces
- Crankshaft, Camshaft and Connecting Rods
Pistons and Pins
Cylinder Walls
Valve Lifters
Rocker Arms

Full Pressure
Splash
Splash and Nozzle
Full Pressure
Low Pressure
Normal Oil Pressure 33# at 2400 rpm
Oil Reservoir Capacity - Quarts 4 (5 with Dry Filter)
Oil Filter Make and Type AC Type PF-7

 

Cooling System Specifications
Water Temperature Control Thermostat
Thermostat Opens at ( °F.) 167 ° to 172 °
Cooling System Capacity (Quarts)
Less Heater
With Heater

12
13.5
Fan Diameter, Number of Blades
Regular
With Air Conditioning

17.12" - 4
18" - 7
Fan Drive, Regular and With Air Conditioning Torque and Temperature Sensitive Clutch

 

BUICK 215 ENGINE DIMENSIONS AND FITS

 

Rings, Piston, and Piston Pin Specifications
Crankshaft journal diameter 2.2992
Crankshaft journal to bearing clearance .0005" - .0021"
Crankshaft end play at thrust bearing .004" - .008"
Crankshaft bearing effective length
....#1 .802"
....#2 .802"
....#3 .821"
....#4 .802"
....#5 .802"
Crank pin journal diameter 2.000"
Crank pin journal to bearing clearance ..0022"
Connecting rod end play on crank pin .006"-.014" (Total both rods)
Connecting rod bearing length .737"
Piston clearance in bore .0005" - .0011"
Piston pin diameter .8747" - .8750"
Piston pin length 2.870"
Piston pin fit in connecting rod .0007" - .0015"
Piston ring side clearance in groove  
....Compression ring .003" - .0005"
....Oil ring .0095"
Piston ring gap  
....Compression ring .010" - .020"
....Oil ring .015" - .035"
Camshaft bearing journal diameter  
....#1 1.785" - 1.786"
....#2 1.785" - 1.786"
....#3 1.785" - 1.786"
....#4 1.695" - 1.696"
....#5 1.665" - 1.666"
Camshaft journal clearance in bearings .005" - 3.5"
Valve lifter diameter .8422" - .8427"
Valve lifter clearance in crankcase .0015" - .003"
Valve lifter leak down ratio, in test fixture 12 to 40 sec.
Rocker arm ratio 1.6 - 1
Rocker arm clearance on shaft .0027" - .0042"
Valve head diameter inlet 1.500"
Valve head diameter exhaust 1.3125"
Valve seat angle, intake and exhaust 45°
Valve stem diameter inlet .3412" top - .3407" bottom
Valve stem diameter exhaust .3407" top - .3402" bottom
Valve stem clearance in guide
intake

exhaust


top .0005" - .0025"
bottom .001" - .003"
top .001" - .003"
bottom .0015" - .0035"
Valve Spring
Valve closed pounds @ length
Valve open pounds @ length

64 @ 1.640"
168 @ 1.260"
Valve stem installed height 1.7500"*
*1.9250" - 1.955" measured from rocker cover to tip
*A11 Measurements in Inches Unless Otherwise Specified.

 

Buick 215 Blue Print Specifications

Bore
3.500”
Stroke
2.800”
Bore Center
4.240”
Cylinder Head Volume
 
Piston Dome Volume
 
Deck Height
8.960" 
Comp. Distance
1.860"
Rod Length
5.660"
Rod/Stroke Ratio
0.66"
Bore/Stroke Ratio
1.25"