Quote:
Originally posted by Tim Berry
Here is a problem. How do I prevent vapor lock in the old cmp without fitting an electric pump. The vapor lock is very bad and the V8 at times simply stops.
Lately in my area it has been 40 degrees C. Any ideas.
Tim
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Move to Canada and your problem will be solved. -40 will then be your problem.
The old car club guys felt that since the vapor lock problems weren't realized nearly as much in the old days, there must be some part of the equasion that had changed. Their answer was it was the fuel that had changed fromulas, and was more prone to vapour lock on the old stuff. Many of us started mixing up to 15% kerosene with the gas, and much of the problem went away. The kero also was reputed to help lubricate the valves where the lead additives had been legislated away.
I had found that improvements in the ignition system actually did the most to assist the problems.
Many of us also installed the boat outboard motor primer pumps inline to the fuel pump to assist in the initial priming and to also reduce the back flow of the fuel to the tanks. Only costs about $8 and saved a lot of cranking with that poor 6 volt system.