Re: Another Big Twin Observation….

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vintin


Replies: 580
Topics: 19
#81108
quote Chris_P:

Why would the air line that pressurizes the pressure tank not need a vapour sepearator on it?

Just trying to figure this out…..

I think you are on to something.

I don’t think my system needs a vapour separator. At first I liked it because I could see the rate at which the condensate dripped. Then it etched up and I couldn’t see. Right now I have that motor resting as I run other motors. I’ve put in new transom wood and will not be installing the separator again. The air vent on the tank does have to be sealed or vapor escapes from the fuel tank. I was hoping not to have to seal the fuel tank vent hoping the liquid would drop out of the separator and the vapor would pass on to the air box. I’m running a 15 gallon fuel tank and the 1957 35hp Johnson has a fuel pump.

Just venting the fuel tank up to the air box would be smarter.