'61 Buick Tech

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1961

Assembly plant

Engine Tune-up

MODEL SPARK PLUGS DISTRIBUTOR IGN.
TIMING comp.,
crank VALVES FUEL
PUMP
PRESS. IDLE
SPEED

Type Gap Dwell Gap Tappet
Clearance, hot intake
opens,
(deg)

intake exhaust

V8-364 cu. 250 hp.
LeSabre 44S .032 30° .015 12BTD 180 zero zero - - -

V-8, 401 cu. in. 325 hp.
Invicta 44S .032 30° .015 12BTD 180 zero zero - - -

V-8, 364 cu. in. 325 hp.
Electra 44S .032 30° .015 12BTD 180 zero zero - - -

V8-364 cu. 325 hp.
Special 44FFS .035 30° .016 5BTD 155 zero zero - - -

Engine Specifications

DISPLACEMENT
CUBIC INCHES CARBURETOR HP @ RPM TORQUE HP. per CI. BORE &
STROKE COMP. VALVE
LIFTER TYPE OIL
PRESSURE

V8 - 364 Carter, Stromberg 250 @ 4400 - - 4.125 x 3.4 - hyd. -

V8 - 401 Carter, Rochester 325 @ 4400 - - 4.1875 x 3.64 - hyd. -

V8 - 215 Carter, Rochester 155 @ 4400 - - 3.50 x 2.80 - hyd. -

Other Specifications

MODEL WHEELBASE WHEEL ALIGNMENT KING PIN
INCLINATION COOLING SYS.
CAPACITY CRANKCASE
CAPACITY FIRING ORDER

CASTER CAMBER TOE-IN

LeSabre 123 -1 +3/8 3/16" 10 18 1/2 qts. 4 qts. 12784563

Invicta 123 -1 +3/8 3/16" 10 18 1/2 qts. 4 qts. 12784563

Electra 126 -1 +3/8 3/16" 10 18 1/2 qts. 4 qts. 12784563

Special 112 -2 -5/8 1/16" 7 1/2 13 1/2 qts. 4 qts. 18436572

Engine Torque Specifications

Engine Cyl. Bolt
Torque Con. Rod Bolt
Torque Main Bolt
Torque

215 70 42 105

364 70 42 105

401 70 42 105

MODEL	SPARK PLUGS		DISTRIBUTOR		IGN. TIMING	comp., crank	VALVES			FUEL PUMP PRESS.	IDLE SPEED
	Type	Gap	Dwell	Gap			Tappet Clearance, hot		intake opens, (deg)
	Type	Gap	Dwell	Gap			intake	exhaust	intake opens, (deg)
V8-364 cu. 250 hp. LeSabre	44S	.032	30°	.015	12BTD	180	zero	zero	-	-	-
V-8, 401 cu. in. 325 hp. Invicta	44S	.032	30°	.015	12BTD	180	zero	zero	-	-	-
V-8, 364 cu. in. 325 hp. Electra	44S	.032	30°	.015	12BTD	180	zero	zero	-	-	-
V8-364 cu. 325 hp. Special	44FFS	.035	30°	.016	5BTD	155	zero	zero	-	-	-

DISPLACEMENT CUBIC INCHES	CARBURETOR	HP @ RPM	TORQUE	HP. per CI.	BORE & STROKE	COMP.	VALVE LIFTER TYPE	OIL PRESSURE
V8 - 364	Carter, Stromberg	250 @ 4400	-	-	4.125 x 3.4	-	hyd.	-
V8 - 401	Carter, Rochester	325 @ 4400	-	-	4.1875 x 3.64	-	hyd.	-
V8 - 215	Carter, Rochester	155 @ 4400	-	-	3.50 x 2.80	-	hyd.	-

MODEL	WHEELBASE	WHEEL ALIGNMENT			KING PIN INCLINATION	COOLING SYS. CAPACITY	CRANKCASE CAPACITY	FIRING ORDER
MODEL	WHEELBASE	CASTER	CAMBER	TOE-IN	KING PIN INCLINATION	COOLING SYS. CAPACITY	CRANKCASE CAPACITY	FIRING ORDER
LeSabre	123	-1	+3/8	3/16"	10	18 1/2 qts.	4 qts.	12784563
Invicta	123	-1	+3/8	3/16"	10	18 1/2 qts.	4 qts.	12784563
Electra	126	-1	+3/8	3/16"	10	18 1/2 qts.	4 qts.	12784563
Special	112	-2	-5/8	1/16"	7 1/2	13 1/2 qts.	4 qts.	18436572

Engine	Cyl. Bolt Torque	Con. Rod Bolt Torque	Main Bolt Torque
215	70	42	105
364	70	42	105
401	70	42	105

1961