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Tech Manual
The complete tech manual encompassing all of Johns MG guides.
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Barrie's Notes -
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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: Rocker Arm Lubrication
Tuesday January 03rd, 2006
Hello John - I've have been browsing through your tech tips and find them very informative. I have a newly aquired 1974 MGB. I have replaced the worn rocker arm shaft and rebushed the rockers. appear to have good oil flow to the pushrod ball and socket but no oil "squirting" out of the front bleed hole for valve stem lubrication. I rebushed and drilled the bushings as per the original. Also, as per the origianal, the depression in the bushing I.D is located at the bottom of the rocker shaft. The front lubricating hole does not appear to line up to any holes in the rocker arm shaft. What am I missing here??? How does the oil get to the forward hole to lubricate the valves?
Doug!
You have assembled the rockers correctly. The relief on the bushing should be at the bottom as that groove holds the oil and the pressure on the bushing is at the bottom. Oil "oozes" out the pushrod end and down t... 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)