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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 MG Y Type - EF or FI needle?

My YA has an EF needle in the carburettor, which is the weaker/leaner needle as opposed to the standard FI needle.

This weekend I collected the spare SU H2 I bought some time ago and it has a good FI needle that I could use.

Normally I wouldn't hesitate to fit the standard needle but I read in one of the newly added SF Y-registers articles that someone was very pleased with the performance and economy of his EF-equipped YB.

What are your thoughts on this, maybe in relation to modern fuels; do they require a leaner or richer mixture? The engine still has a standard height cilinderhead, so low compression.

Willem van der Veer

Hi Willem

I changed to the weaker needle when this article was published ... the first time around, and the car runs great on unleaded.

Paul
Paul Barrow

This thread was discussed on 29/05/2007

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