Set Up – Cleaning and Setting Up The Carburettors, and Sorting the Ignition Issue on the 1970 Jaguar XJ

By Craig Ranson
By Craig Ranson

Managing Director – Bridge Classic Cars

The 1970 Jaguar XJ has been in the Bridge Classic Cars workshop for our technicians to look into some running issues with the classic saloon car.

To begin with, our technician Jon road tested the car to confirm the issue with the car and to find out the situation the issue would arise in. After confirming the fault, he could begin to work his way through the fuel and ignition systems in the engine bay.

After inspecting, decided to strip and rebuild the carburettors to make sure that they were clean, clear and working just as they should do. Once rebuilt, they could be put back onto the manifold to begin testing again. The issue had become better but it still had some areas that Jon needed to investigate. He noticed a broken wire inside the distributor which was repaired, and the car was retested but again did not resolve the issue.

The team then took the decision to upgrade the ignition system to an electronic set-up and programme in the correct timing gap and curve to work with the car. After road test, Jon reported that the car worked just as it should do.

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