Technical data

2;
%
.ENGINE
CARBURETOR
Displacement
1500
1~
-1700
Type
305.88
305.50
ALFA ROMEO
Part No.
M.odel
Position
580.778 - 580.777
580.776 - 580.775
546.860 - 546.861
546.858 - 546.859
Twin Dellorto- Twin Weber
Twin Dellorto Twin Weber
DRLA40FD - DRLA40FS
’ 40lDF81 _ 40lDF80 ~DRLA40FD _ DRLA40FS 40lDF69 - 40lDF68
RH
LH RH
LH
RH
LH
RH
LH
0
e
8
Venturi
Centering device
Main jet
Main air jet corrector
Diffuser
Idlino iet
. 0
mm 30
30
32
32
0
mm 12189.01
3.5
-
-
0
. 135
140
142
140
0
. 205
200'
180
190
9164.01
F70
9164.4
0
. 46
50
52
50
Idlino air corrector
220
220 195
100-140-140
Progression holes
0
.
100-120-130
100: 140 - 140
106-120-130
140-140-140
140-150
140-140
140-150
Acceleration
pump
jet
0
. 35
33
(incl. 3”)
35
35
Needle valve
0
. 150
175
150
175
Float weight
.
9
10
11.8
10
11,8
Starting jet
0
mm 0,80
0,90
80
90
Starting diffuser
l
7482.03
I
F7
( - 7482
l
F7
Acceleration pump capacity for 20 pumps
5+7
6+9
5;5 S6.5
528
Level‘of float chamber
mm
5+6
8.5 + 9.5
2oz22
'(0) Dimensions in 10'