123 Ignition Electronic 4 Cylinder Distributor - Negative Earth - Top Entry Cap - 123MG4RV
The 123\MG-4-R-V is designed especially for the MGA and MGB.
All the advance-curves, that were EVER specified for these cars, are integrated into this product. And even more than that : there is a fine-tuned curve for the so called 'stage-two' engines too!
Static-timing is on TDC for all MGB-engines.
The unit offers :
- automaitic dwell
- spark balancing
- automatic power cut off after 1 second
- gearshift retard
direction. : CCW (topview)
voltage : 4,0-15,0 Volts
range : 500 - 7000 rpm
temperature : -30 to 85 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 : advance starts at 5 inchHg - stops at 10 degr. @ 10 inchHg - gearshift retard > 17 inchHg
max.advance : 45 degr. crankshaft
wiring : red = +6V or +12V, black ='-' coil