more from a 1970 Buick engineering features book. a super rare book, the only one i've ever heard of. the GS 455 model 4637 two door hardtop coupe.

all dimensions are in inches unless otherwise indicated.
all dimensions to ground are for comparaive purposes only.

WIDTH
track-front 59.0
track-rear 59.0
maximum overall car width 77.3

LENGTH
wheelbase 112
overall car length 202.2
overhang - front 41.2
overhang - rear 49.0
body upper structure length 93.3

HEIGHT
overall height 53.1
cowl height 38.3

GROUND CLEARANCE
bumper to ground - front 12.8
bumper to ground - rear 11.2
minimum running clearance ( specify ) 5.39 ( a ) exhaust system

LUGGAGE COMPARTMENT
usable luggage capacity 12.6 ( cu ft? )
liftover height 27.2

COOLING SYSTEM CAPACITY
w/ heater, 19.17
w/o heater, 18.34
opt equipment-specify (qt) 19.67 (A/C)
lower rad hose I.D. 1.50
upper rad hose I.D. 1.50
by-pass I.D. .62
fan blade diameter 18

BATTERY
make & model, Delco #Y-70
voltage Rfg. & total plates 12-66
SAE designation & Amp Hr rtg. 9MJ6A-70
terminal grounded, negative
alternator make Delco-Remy
model 1100761 (a) ( 1100774 with A/C )
type & rating diode rectified alternator ( 37 amps )

regulator Delco-Remy
model 1119515
type, voltage control
voltage test conditions, run 15 minutes at 10 amps ( max. ) battery must be in circuit.

starting motor
make, Delco-Remy
model 1108392
motor drive, number of teeth, pinion 9 flywheel 166
flywheel tooth face width, .375

coil
make, Delco-Remy
model 1115247
amps, engine stopped 3.8 @ 12.6 volts
engine idling 2.3 @ 12.6 volts

distributor
model 1112027
( no mention of STAGE 1 distributor )
timing mark location, harmonic damper
spark plug R44TS
14 MM torque to 15 ft lbs, gap .030

CLUTCH
Borg and Beck ( dry )
total spring load, lbs 2450-2750
clutch facing outside and inside dia 11.0 - 6.5
total eff. area, (sq. in. ) 123.7
thickness .140

DRIVE UNITS MANUAL TRANS.
optional four speed transmission ratios are :
1-2.20 , 2 -1.64 , 3 -1.28 , 4 - 1.00
trans lubricants, capacity 3.5 ,
multi-purpose gear lubircant ( MIL-L-2105B )
viscosity SAE 80


more coming soon.