Lotus Elan 1970 - Technical Data: Engine Internals; Gudgeon Pin and Piston Details

ti
Connecting
Rod
Typ"
Moteriol
Distonce
bcfween
centres
Beorings
-
Typ"
-
Running
cleoronce
-
End
floot on
cronkpin
Smoll end
bore
(bushed):
Grode'A'
(silver)
Grode
'B'
(green)
Gudgeon'(Piston)
Pin
TyP"
Locotion
Diometer
-
Grode
'A'
-
Grode
'B'
Closs
of
fit
Piston
TyPu
Moteriol
Length
Compression
height
Moximum
permissible
weight voriotion
per
set
Rings
-
Compresion
-
Oil
control
Diometer
-
'A'
type
-
Grode
I
-
Grode
2
-
Grode 3
-
Grode
4
-
'C'
type
-
Grode
I
-
Grode
2
-
Grode 3
-
Grode
4
'H'section
Steel
forging
4
.799/4
.801
i n
.
(t
2
.19/t
2
.24
cn
.)
Steel
bocked,
leod bronze
with
leod overloy
.0005/.0022
in
.
(.01
3/.513
mm .)
.004/.010
in.
(
.l}t/.254
mm.)
.8124/ .8125
in.
(20.635/20.637
mm.)
.8125/
.8127
in
"
(20.637/20.642
mm.)
F
looting
Circlips
.8r21/
.8122
in.
.8122/
.8123
in.
Finger
push
fit
(20.627/20.628
mm.)
(20.628/20.632
mm.)
Solid skirt
Tin-ploied
oluminium
ollov
2.687
in.
(68.250
mm.)
|
.s36/1.538
in
.
(39
.014/39.065
mm.)
4
grommes
2
I
3.2470/3.2473
in.
(82
.474/82.481
mm.)
3.2473/3
.2476
in.
(82
.481/82.489
mm.)
3
"2U6/3
.2479
in
"
(82
.489/82.497
nn.)
3.247e/3.2482
in.
(82
.497/82.504
mm.)
3.2447/3 .2470
in.
(82
.466/82.474
nn.)
3
.2470/3
.2473
in.
(82
.474/82.481
mm.)
3.2473/3
.2476
in.
(82
.481/82.489
mm.)
3.2476/3.247e
in.
(82
.489/82.497
mm.)
t3.
\,
r)