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Volvo-B18-B20-4-R-V
Improve the performance of your classic car with this highly reliable electronic ignition distributor.
The 123VOLVO-B18-B20-4-R-V is a unit that fits the B18 and B20 4-cylinder Volvo carburetor and injection engines. It fits cars, trucks and boats (VOLVO PENTA)
| Brand |
Volvo |
|---|---|
| Cylinders |
4 |
| Operating voltage |
4-15V |
| Wires |
Black: coil '-' ,Red: ignition key (battery 6V / 12V) |
| Model |
Switch |
| Rotation direction |
CW & CCW |
| Vacuum |
Yes |
| RPM range |
500-10.000 RPM |
| IE (D-jetronic support) |
No |
| Environmental temperature |
-30 – 100 °C |
| Cap type |
Straight |
| Dwell |
Constant current: fully automatic adaptive dwell |
| Coil charging time-out |
After 1 second, coil current is turned off |
| Spark balancing |
<0.5 degrees |
| Maximum advance |
40 degrees crankshaft |
the 123\VOLVO-B18-B20-4-R-V is a unit that fits the B18 and B20 4-cylinder Volvo carburetor and injection engines. It fits cars, trucks and boats (VOLVO PENTA)
Please be aware you need the 123\VOLVO-B18-B20-4-R-V-IE for Bosch D-jetronic injection support.
It has advance-curves for the full range engines from B18A to B20F as well B18 and B20 based Volvo Penta engines.
The unit also offers optimised LPG / Ethanol-curves for these engines.The unit offers a maximum total of 16 advance-curves to be selected by the end-user.
Please take a look in the curve table for available advance curves.
Volvo-B18-B20 – 4 – R – V = Volvo-B18-B20 stands for the 123ignition type
Volvo-B18-B20 – 4 – R – V = 4 stands for the number of cylinders
Volvo-B18-B20 – 4 – R – V = R stands for straight distributor cap
Volvo-B18-B20 – 4 – R – V = V stands for vacuum advance
How to install a 123ignition distributor
Where to buy?
Do you want to know where to buy the 123Ignition in your area? Check out the dealer page!
| curve | advance starts [rpm crankshaft] | max. advance [rpm] | [degr. crankshaft] | vac. adv. starts [mmHg] | max. vac. adv. [mmHg] | [degr.] | replaces | remark |
|---|---|---|---|---|---|---|---|---|
| 0 | 800 | 4800 | 26 | 75 | 125 | 10 | BOSCH 0 231 146 026A & 161 001 | Volvo B18A until 1966 |
| 1 | 800 | 4800 | 26 | 75 | 125 | 10 | BOSCH 0 231 146 026B | Volvo B18A after 1966 |
| 2 | 800 | 4800 | 26 | 100 | 200 | 10 | BOSCH 0 231 153 003 & 151 | 001 Volvo B18B |
| 3 | 1000 | 3100 | 29 | 100 | 200 | 10 | BOSCH 0 231 153 009 | B18B with 'pollution-reduction' |
| 4 | 800 | 4800 | 26 | 75 | 125 | 10 | BOSCH 0 231 146 077 | Volvo B20A |
| 5 | 1200 | 3600 | 26 | 75 | 125 | 10 | BOSCH 0 231 170 085 | Volvo 20A with alu.body |
| 6 | 1200 | 3600 | 26 | 75 | 125 | 10 | BOSCH 0 231 170 085 | LPG/E85 B20A with alu.body |
| 7 | 500 | 5800 | 27 | - | - | 8,0* | BOSCH 0 231 146 078 & 099 | Volvo B20B |
| 8 | 1000 | 5000 | 24 | 75 | 125 | 8 | BOSCH 0 231 146 098 | Volvo B20D |
| 9 | 1000 | 3000 | 25 | - | - | 10,0* | BOSCH 0 231 163 006 & 010 & 021 | Volvo B20-E '71-'73 |
| A | 1000 | 2800 | 22 | 75 | 125 | 8 | BOSCH 0 231 170 087 | Volvo B20-E 1974 |
| B | 1000 | 2800 | 22 | 75 | 125 | 8 | BOSCH 0 231 170 087 | LPG/E85 Volvo B20-E 1974 |
| C | 1000 | 4500 | 24 | - | - | 10,0* | BOSCH 0 231 163 033 & 178 007 | Volvo B20-F |
| D | 500 | 2600 | 31 | 100 | 200 | 10 | BOSCH 0 231 110 038 | Volvo B18-PENTA |
| E | 1100 | 5800 | 27 | 100 | 200 | 10 | BOSCH 0 231 153 007 / 010 / 012 & 151 001 | B20-PENTA Q105A AQ115A,120,130, BB115, MB20A |
| F | 1000 | 4800 | 40 | 100 | 200 | 10 | BOSCH 0 231 178 005 & 011 | Volvo B20-PENTA |
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