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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 TD TF 1500 - Re; plug gap > Pertroinx

After 2 units burned out, newer literature states; ... coils in four cylinder engines require a minimum of 3.0 ohms of resistance. (primary side, all wires removed) They were replaced no charge.
Len Fanelli

Len,
How is the best way to check out the coil. I have had a pertronics in my TF since my restoration with no problems, yet, but I have never checked the coil! Thanks and have a good day!

John
John Progess

Attach an ohm meter between the CB & SW terminals, with no other wires connected to the coil.
Len Fanelli

John, see http://www.ttalk.info/Tech/pertronix_Into_TD.html The attached image shows a DVM (in ohms mode) connected across the coil terminals.
Bud Krueger

This thread was discussed between 13/01/2008 and 14/01/2008

MG TD TF 1500 index