so i have a 306 with all the goodies, bored .030, comp 274hr, long tubes, x pipe, single plane intake, and for now PRO COMP 3037 190cc alum heads, anyway it has maybe 4000 miles on it now probably more, but it has recently started smoking after idling warm for say 5-6min and slightly under wot, cant blame it there i built it to run 6500rpm and she sees it regualarly, i am not running a pcv system, just a oil cap on one side and a frpp breather on the other, i didnt put the short block together a very trusted machinist did so (done race cars for 30+ years) but im trying to narrow it down, it also smokes upon intial take off like after work if i get down on it ill have a small poof of smoke, i really dont want to tear it down but will if its serious, all cylinders have great comp 212psi on all except 3 has 210. thanks in advance guys