Re: Let's talk electronic ignition

Posted by Geo-TH,In on August 23, 2021 at 05:04:21 from (50.102.3.175):

In Reply to: Re: Let's talk electronic ignition posted by grandpa Love on August 23, 2021 at 04:39:40:

go rent a leak down tester too.

I battled a 20 hp kohler command. One cylinder was 200 degrees cooler, 700 vs 900 degeees F. The spark plug would turn black in 10 hour. The cause of the problem, valves, It had good compression, but not enough to get complete combustion. It passed both compression and leak down tests. I just had to grind the valves.

A leaky head gasket and manifold gasket could also cause problems.

IR thermometers to measure high exhaust temps are cheap at HF.

Good luck. I'm sure you won't give up until you fix it.

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