I Show The Flow Differences Between Backcut And Nonback Cut Valve That Will Be Dyno Tested

Eric Weingartner

I show the flow difference between a non-back cut valve and a back cut valve. This is the head and valves that will be used for this dyno test coming up this year.  Link to become a channel member https://weingartnerracing.braveshop.c... Link to buy digital books https://weingartnerracing.brave