Quote:
Originally Posted by Ol Blue K20
It could be an exhaust valve causing the "popping" noise. Is the popping coming up the carb. What do you mean when you say compression test comes up 8.5 through 9.5 to 1. All gauges I own are in PSI not compression ratio.
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My apologies. I was getting between 8.5 to 9.1 Kg/Cm^2. I think that is around 125 PSI. I assumed that was the compression ratio, but maybe that was an incorrect assumption. And yes, it sounds like the popping sound is coming up the carb.