Lotus TURBO ESPRIT Service Manual page 29

j .
SECTION TD B
ENGINE
Page
3
Type designation
Max. rpm of engine 7,000
No
.
of cylinders
Firing order
Capacity
Stroke 76.2mm (3.00 in.)
Bore (nominal) 95.29mm (3.75 in.)
Compression mtio
-
Std. 7.5
:
1
J .
-
H.C.
Compression pressure
-
Std.
-
H.C.
2
8.8 bar (1 30 Ib/in )
minimum
2
9.5 bar (140 Ib/in )
minimum
Maximum boost pressure
-
Std.
2
0.55 bar (8.0 Ib/in )
-
H.C.
2
0.65 bar (9.5 lb/in )
Engine number location On top
rear
of cylinder block near
starter mounting
Engine belt
tensions
-
Toothed timing belt, using Burroughs gauge part number
TOOOG0025J, 90
-
95 units cold (60°~/200c)
See
Section W .9.
(
-
Alternator 'V' belt 12
mm
(0.5 in.)
(4
in.)
Total movement (
-
using moderate (
finger pressure
(
(
-
on longest
be1 t run.
(
-
(
CYLINDER HEAD
Compressor 'V' belt )
A/C
)
Vacuum Pump 'V' belt )
A i r Pump 'V' belt )
1
9
rnm
(0.35 in.) (3/8 i n .)
Material
Gasket
A1
umi
nium a1 loy
Steel/asbestos
Combustion chamber depth (nos. 1 & 4)
12.19
-
12.57 m m (0.485
-
0.500 in.)
.!
DEC
1986