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Products
Tech Manual
The complete tech manual encompassing all of Johns MG guides.
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Tech Guides
Barrie's Notes -
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DVDs
MG Factory DVD -Factory Training Films #1, "Pride of Abingdon", "MG Midget Then and Now", "MGB Features", and "Scheduled Maintenance".
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Talking Tour of MGB MKIV - A complex overview of the Mark IV MGB, with detailed instructions of owner operation and some maintenance.
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Under Construction
September 29th, 2008
Q & A: Ignition System Trouble
Tuesday December 30th, 2008
I am currently working on my 1980 MGB LE which I have had since 1983. I am having some trouble with the ignition and would like to test the magnetic induction pick up. Is there a impedance test which will show me if the pick up is working? I do not have the OPUS electronic ignition system. I have the 2 wire system with the amplifier mounted to the inner fender. Also, do you know what the air gap on the star wheel should be adjusted to?
I think I read somewhere that this system is a GM item and that it is available at any automotive store. Do you know if this is true?
There is no impedance test, however the most common problem is broken wires. The CEI is the black box under the coil. If you have three wires going to the distributor, it is most likely faulty. The air gap is set to ten thousandths. We have neve... read more
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#152 1957 MGA Engine
Tip of the Day
It makes no difference how quickly your MG will accelerate if it cannot
stop! The proper functioning of your brakes must ALWAYS be at the
top of your list of priorities. You owe this degree of safety to yourself,
your passenger, and all others on the road.
John H. Twist (Fall, 1980)