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COUPE
.
-=27' - ' 1
In this section are outlined exclusively service data and procedures of units differing from Sedan
Version.
ENGINE
MAIN SPECIFICATIONS
Pistons
.
Connecting Rods
.
Valves
4
Valve Seats
~
Springs
Valve Gear
.
Specifications and Fits of New Parts
FUEL SYSTEM
Carburetor . .
Engine Bench Test
page
271
I)
271
II
272
I)
272
)
213
»
274
»
215
»
275
»
279
PISTONS
The shape of piston crown and the machining
allowance of skirt are shown in fig. 421.
Fig. 4Z2.
Left side rcar view of engine
assembly.
A, 64,94 +64.95
C,
6(,96' 6U7
E·64.98 • 64.99
A, 6UJ, 6l.94
C, 64.95 , 64.96
E, 64.97 , 6U8
20
Fig. 421 • Skirt diameter (metric) of 100GC.OOO C!ngine measured
at class grading points.
5 = .197" - 20 = .787"
MAIN SPECIFICATIONS OF ENGINE
Engine type . . . . . . . .
Cycle and strokes . . . . .
Number of cylinders, in-line
Bore
Stroke. . . . . .
Displacement
Compression ratio
Maximum horsepower, DIN standards
at
.
Maximum horsepower
1
SAE standards
at
.
Maximum torque, DIN standards
at
.
Maximum torque, SAE standards
at
.
Taxable horsepower (Italy) . . .
Timing
__ __ __ . __ . __
Weber dual throat carburetor, type
100 GC.ooo
Otto, four-stroke
4
2.559" (65
rnm)
2.500" (63.5
rnm)
51.44 eu-in (843 ee)
9.3
47
6,200
rpm
52
6,400
rpm
44.1 fLlbs (610 kgem)
3,600 rpm
45.6 fLlbs (630 kgem)
4,000
rpm
II
valves-in-head
30 DIC I
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