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Hi,
You are right: great cold starting, but hot is a real issue. I sure take longer cranking than 4 seconds, much longer and many times. It's a tribute to the battery that it isn't dead by now. Since the first posting I've checked timing, valve clearances and dwell. All ok. So it sounds like the mixture is too rich and this is confirmed by the condition of the plugs and the smelly exhaust.
I haven't yet checked the diaphagms. The PO had them replaced in 2007, so I'm hoping they are ok. I'll check them next time I'm with the car.
How do I lean off the mixture? I've read Haynes etc and can't find anything about it. I can find the idle screws (on the shafts) and something also called an idle adjustment (on the side of the carbs above the temp compensator). Is this the mixture screw? I set them to 2 full turns out, like the book says, and adjusted them up to a full turn either way. I couldn't tell any real difference.
Thanks for your help. I won't get another chance to play with the carbs until March because I'm about to come to the US for a few weeks.
Regards
JohnH
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JohnH, Sydney, Australia
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