04-03-2010, 04:55 PM #1
Intercooler Purging Without Water loss
I used an automatic air vent to automatically remove trapped air in my external cooler. Although there are cheaper air vents on the market - I used the Honeywell EA122A1002 for this project - It cost $30 shipped. I tapped my intercooler with 1/4" pipe threads and used a 1/4" X 1/8" bushing to accomodate the 18" grease gun hose - then used 1/8" couplings and nipple to attach to the "automatic air vent". It works great - with zero water loss.
04-03-2010, 06:47 PM #2
I dont feel that this will give all of the gain the air bleed normally does, Part of the benifit is that you are ensuring a steady flow of cool water too all of the coolers internal area, buy shutting it off when the air is gone you stop that flow.
I had a gate valve on my bleed line as I was running 3/8 out of my cooler straight out the hull and was worried that I might see some overheat issue with the exhaust in the summer if I did not restrict the line atal. I didnt have any issues dumping this much water although I did have a 9mm restrictor fitted in the pump and run in cooler waters than most on here.
I saw a 50 rpm gain/lose with the valve open and closed and it could have been worse if I had left it closed and the water in that area of the cooler had warmed up further.
My 0.2 on this subject. R88
04-03-2010, 07:19 PM #3
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