123\VOLVO-B21-B23-4-R-V

for Volvo > B17, B19, B21, B23 and B230 engines
the 123\VOLVO-B21-B23-4-R-V is designed for the Volvo B17, B19, B21, B23 and B230 engines, not only for classic cars like the Volvo 242, 244, 245 etc but also for the trucks and boats ( Volvo Penta ) .

the 123 offers advance-curves for B17 - B25 Volvo & Volvo Penta engines including turbo engines. This is the result of thorough research in the original Volvo-workshopmanuals. (even a couple of optimised LPG/Ethanol curves are available )

The unit offers a maximum total of 16 advance-curves to be selected by the end-user.
Please take a look in the table below for available advance curves.
SPECIFICATIONS
cylinders: 4
direction: CW/CCW
voltage: 4,0-15,0 Volts
range: 500 - 8000 rpm
temperature: -30 to 100 Celsius
coil: stock or High Energy coil, primary coil NOT below 1,0 ohm
dwell: constant current, fully autom.
time-out: after 1 second current is switched off
spark-bal.: better than 0,5 degr. crankshaft
vacuum: starts at 100 mmHg, ends at 10 degr. @ 300 mmHg
max.advance: 45 degr. crankshaft
wiring: red = +6V or +12V, black = '-' coil

Curve table data

123\VOLVO-B21-B23-4-R-V
advance starts max. advance vac. adv. starts max. vac. adv.
curve [rpm crankshaft] [rpm/ degr. crankshaft] [mmHg] [mmHg/ degr.] replaces remark
0 1000 4500 30,0 200 400 14,0 BOSCH 0231.170.134, 0231.178.010 VOLVO B21/23 PENTA
1 1000 3800 26,0 200 400 14,0 BOSCH 0231.178.016,17,18 & 19 VOLVO AQ131, AQ150
2 1000 3000 25,0 150 400 14,0 BOSCH 0231.170.185, 0231.170.284 VOLVO
3 1000 5000 25,0 150 400 14,0 BOSCH 0231.170.287 VOLVO
4 1000 4000 25,0 150 400 14,0 BOSCH 0231.170.302 VOLVO
5 1000 4000 30,0 150 400 10,0 BOSCH 0231.176.103 VOLVO
6 1000 6300 29,0 150 400 14,0 BOSCH 0237.002.001, 0237.002.017 VOLVO
7 1000 4800 23,0 150 400 14,0 BOSCH 0237.003.027, 0237.003.024 VOLVO
8 1000 5000 29,0 150 400 14,0 BOSCH 0237.003.003, 0237.003.009 VOLVO
9 1000 4000 28,0 150 400 14,0 BOSCH 0237.002.038 VOLVO
A 1000 4800 22,0 150 400 10,0 BOSCH 0237.002.007 VOLVO
B 1000 4500 30,0 200 400 14,0 BOSCH 0231.170.134, 0231.178.010 VOLVO LPG/E85
C 1000 4000 30,0 100 300 10,0 BOSCH 0237.002.001, 0237.002.017 VOLVO LPG/E85
D 1200 4800 22,0 100 400 20,0 BOSCH 230FH-MODULE VOLVO
E - - - - - - - -
F - - - - - - - -