M Mark720 New Member Joined Mar 6, 2022 Messages 3 Reaction score 1 Location You ess and ayy Mar 6, 2022 #1 I have a really good 441 Magnum that has been ported. I've never changed the stock filter and I am putting maxflow kit on it, do I need to adjust mixture?
I have a really good 441 Magnum that has been ported. I've never changed the stock filter and I am putting maxflow kit on it, do I need to adjust mixture?