Part No.: 123MG4RV

Distributor Electronic Top Entry Cap - 123MG4RV - 123 Ignition

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'MGB 123 Ignition Electronic Distributor'

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Product Description

Distributor Electronic Top Entry Cap - 123MG4RV - 123 Ignition
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:

vacuum-advance
automatic dwell
spark balancing
automatic power cut off after 1 second
gearshift retard

SPECIFICATIONS

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

Specifications and additional product information

MGB - 4 cylinder models (-earth) top entry cap
Defender 1983-2006 - 2.25L Petrol, 2.5L Petrol - Lucas distributor replacement, Negative Earth - Quantity Required - 1
Series 3 - 2.25L Petrol models - Quantity Required - 1

Customer Review

2 people wrote reviews

Rate and Review this Product

Review: RH Submitted: 16/08/2024

Overall5 out of 5 stars.

Subject

Works perfectly and an improvement on the original

Did this item work well with your project? What vehicle type are you using this for?

Bought this for my MGB Roadster at the recommendation of my mechanic after the original dizzy was providing a poor spark on 2 cylinders. Whilst this is a more costly upgrade the money appears justified and doesn't detract from the originality/period of the car. Some things just need to be upgraded for piece of mind!