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MG parts spares and accessories are available for MG T Series (TA, MG TB, MG TC, MG TD, MG TF), Magnette, MGA, Twin cam, MGB, MGBGT, MGC, MGC GT, MG Midget, Sprite and other MG models from British car spares company LBCarCo.

MG MGA - Gunson experience

I went out and bought a gunson color-tune, since I wasn't as successful as I would have liked with the piston lifter method of mixture setting. It worked beautifully. Turns out the rear carb was one flat rich. Clearly visible through the clear plug -- a slight yellow cast to the flame. I leaned it out one flat and hey presto the flame turned blue. What's interesting is that I still couldn't discern any change in the engine note across the two settings when lifting the piston. And once the mixture was correct per the color-tune, lifting the piston didn't cause a "slight increase in engine note". It stayed pretty much the same, then fell off as I continued to raise the piston.

So the car's running great, I have nice tan colored spark plug electrodes, and I can now Leave the Carbs Alone.

Many thanks for all the advice.
Mark Lambert

This thread was discussed on 14/10/2006

MG MGA index

This thread is from the archive. The Live MG MGA BBS is active now.