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MG Car Repair/74 MG electronic ignition


hi Barrie - thanks for tips on the carb \ manifold troubleshooting problems. You mentioned to plug the gulp valve - am I trying to prevent air from entering the manifold so to increase suction to the carbs? Also am wondering if when I installed my new  electronic ignition, the timing may be off. What exactly is dynamic timing - in the Haynes manual it gives little on the electronic timing. Other than adjusting the crank pulley to TDC and aligning the rotor arm to point to #1, is that it?
thanks - June is almost here! P

Hi Paul.  At this stage, the purpose of the exercise is to get the engine running.  To do that, there must be no air leaks into the inlet manifold.  

Once you have got the engine running, then you can set the timing more accurately using a stroboscope.  Unfortunately, with electronic ignition there is no way to set the timing statically.  You could try advancing the distributor a little, but timing is not critical for getting the engine started.

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Barrie Jones


MG Sports Cars from 1949 to 1980 - Including MGB, MGBGT V8, TF1500, TF, TD and modern Midgets. I also specialise in SU carburettors, Lucas wiring, suspension, steering & brakes.


I have owned my 1955 TF1500 since 1966. Technical specialist for the TD and TF with the MG Car Club T Register. Also owned 20 MGBs and currently own an MGBGT V8. Written 3 books on MGs and produced a DVD on how to strip and rebuild the TD/TF gearbox.

MG Car Club.

Barrie's Notes on the 1953-55 MG TF (author). /=====/ Barrie's Notes on the MGB (author). /=====/ Barrie's Notes on the MGB GT V8 (author). /=====/ The Essential Buyer's Guide to the MG TD, TF and TF1500. (author)

M Phil, C Eng, BSc (Eng).

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