360 LA , Smog 360 heads, 273 rockers with custom pushrods.
55 miles plus 25 min of cam break break in. I’ve got Johnson hyd lifters. 130 on the seat around 325 open. Broke it in with Brad Penn. 25 min and dumped it. New Brad penn 15/40 and new Mopar filter. Thought I heard a little touch of...