swjfish

hey guys whats up . i got some problems with my 347 . i have a coast high performance stroker kit with about 10.0-1 comp. trick flow twisted wedge heads,t.f.stage 2 cam,75 mm t.body and mass air. 30 lbs inj. and a diablo sport chip .
first problem is i have pinging under light load 4th gear at 40 mph . and 5th gear at 50 mph. i cant really hear it any other time . (exhaust is too loud !!! ha ha) im running ngk plugs #bkr6es 11
it doesnt matter were i put the timing . ive tried any were from 0 - 14 deg. still does the same any furthrt than 14 and it pings alll the time .
question 2 i have t.f. 1.6 roller rockers and i cant get them to be quiet they make lots of noise . ive tried 6 times and 3 different ways . all with the same results . is it just me ???



any help would be great thanks