Lotus Elan 1970 - Technical Data: Valve Guides and Seats

-\,
Length
-
lnlet
Exhoust
Fitted
height
obove
heod
Volve
guides
Oufside
diorneter
of
guide
-
All
engines:
Stondord
.001
?n
.
(.0254
mm.)
oversize
.005
in .
(.127
mm.)
oversize
.006
in.
(.1524
mm.)
oversize
Diometer
of bore
in
cylinder
heod
-
All
engines:
'
Stondord
:001
in
.
(.0254
mm.)
oversize
.005
in .
{,127
mm.)
ovenize
,006
in.
(.1524
mm.)
oversize
Interference
fit
-
All
guides
-
All
engines:
Volve
seot
inserts
Ouiside
diometer
of
inserf
-
All
engines:
Stondord
.005
in
.
(.127
mm.)
oversize
.010
in
"
(.254
mm.)
oversize
.015
in
.
(.38'l
mm.)
oversiz
e
Dibmeter
of bore
in
cylinder
heod
-
All
engine.s:
Stondord
.005
in
.
(.127
mm.)
oversize
.010
in
.
{.254
mm.)
oversize
.0.|5
in.
(.381
mm.)
oversize
Inierference
fit
-
All
inserts
-All
engines:
Elon
llo
1
.6300/1.63.|0
in.
1
.5050/'l
.5060
in '
(4\.402/41
.427
mm.)
(38.227/38.252 mm.)
1
.6350/1.6360
in
.
I
.5100/l
.5'l
l0 in.
(41
.529/41
.554
mm.)
(38.354/38.379
mm.)
.0025/.0045
in '
(.521/.1l4
mm')
1074
1.520
in.
(38.608
mm.)
'l
.480
in.
(37.592
mm.)
.320
in.
(8.128
mm.)
lnlet &
Exhoust
.5000/.5005
in.
(12.700/12.713
nn.)
.5010/.5015
in.
(12.725/12.738
mm.)
.s050l.5055
in.
(12.827/12.839
mm.)
.5A60/
.s065
in.
(12.852/\2 .865
mm
.)
.499Q/
.4*5
in.
(12.675/12.687
mm.)
.5000/
.5005
in .
(12.700/12 .713
mm.)
.5M0/
.5M5
in.
(12.802/12.814
mm.)
.5050/.5055
in.
(12.827/12.839
mm.)
.0005/.0015
in.
(.0127/.038]
mm.)
ln
let
1
.6235/1
.6245
in.
(41
.237/41
.262
mm.)
1
.6285/1
.6295
in.
{41
.3U/41
.389
mm.)
1
.6335/1.6345
in.
(41
.
491
/41
.51
6
mm
.)
1
.6385i1.6395
in.
(41
.61
8/41
.643
mm.)
| .6200/1.6210
in
.
(41
.l
48/41
.173
mm.
)
1
.6250/1
.6260
in.
(41
.275/41
.300
mm.)
Exh
oust
1
.49e5/1
.4995
in.
(38.%2/38.087
mm.)
1
.5035/1.5(X5
in.
(38.1e9ft8.214
mm.)
I
.508s/l
.5095
in.
(38.31
6/38.214
mm.)
.|.5135/1
.5145
in.
(38.21
4/38.23e
mm.)
1
.4950/1
.496Q
in.
(37
.973/37
.998
mm.)
I
.5000/l
.5010
in.
(38.100/38.'l25mm.)