Hello all and thank you in advance for your advise. I would like to say that I love this forum. I come from the Honda world and it seems that all the forums there are typically very negative. It is such a relief to find an informative and positive minded community of Jeep owners as I've found on...
Anyone ever ran (or know of someone who runs) one of the aluminum cylinder heads they make for the 4.0 engines? They claim big powe but I remain skeptical...
