I still have one engine out and it will be going back in Monday. I'm putting two new fuel pumps on and the new cool kits too. Not to mention all new exhaust manifolds, risers, and elbows. Lol. Should be back out next weekend.

Try to stay away from regular pump gas with ethanol. In Florida, non-ethanol fuel is called REC-90 and many road stations are selling it. Try to use that instead. Ethanol is an alcohol which has a lower boiling point.... when the engine compartment gets warm, the alcohol boils, creating pockets in the fuel lines and fuel rail.

I think this has been kicked enough, but VST is the Vapor Separation Tank, it is mounted on top of the engine and at the rear port side. Fuel gets pumped into that little tank via a mechanical pump mounted on the raw water pump (or maybe a regular mechanical fuel pump, depending on engine vintage - not 100% certain on that), and then a high-pressure pump in the VST tank pressurizes the fuel rail.

Great info as well. Thanks guys.