Quote:
Originally Posted by daiviet
You said home made hi-flow valves, I know that its a simple mod but I can't find somewhere that gives instructions (i'm not looking too hard either).
Would you mind giving some insight on how to do the mod?
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Cut off some of the supporting posts. Simple as that.
The stock valve has four posts. Cut two opposing posts to remove the restriction and increase flow volume. For more consistency, cut just one of the posts and install the valve so that one wider opening faces up and out of the port.