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Old 06-15-2019, 06:30 PM   #23
Graeme / New Zealand
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Join Date: May 2010
Location: Lower Hutt , New Zealand
Posts: 2,126
Default Re: Foundering flathead

I got my car as an unfinished project with a motor in the same condition as yours. I could see nice shiny valves through the spark plug holes. My car ran, but not the best. I had sticking valves, it farted, backfired every now and then and ran rich like yours. We can't get MM oil here is NZ but I poured some Moreys upper cylinder lube down the sparky holes and put some in with the gas. Overtime it freed up and I would say the rings bedded in. I have done 2k miles on it now, the more I drive it the better it gets. I have even backed the idle off now where I had to have it up a bit to get it to run ok.

The other thing is to get your distributor properly set up and run a good coil. I got one of Skips rebuilds and this made a diferrence the way it ran and started

GB
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