rodknee1231
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- Jun 9, 2014
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I have been doing some digging and am going to replace the venatherm thermostat on my motor I'm rebuilding. and came across this on I boats, adding a tell tale pee hole up high on the block I think it's a great idea and they say it's common to get air trapped in the cylinder 1 so adding a tell tale hole gives it a chance to burp and let the trapped air out is there truth to this has anyone done it? here's the link https://forums.iboats.com/forum/engine-repair-and-maintenance/engine-frequently-asked-questions-faq/228380-johnson-evinrude-adding-a-tell-tale