I have my 355 sbc broken in~~~~~~ 20 mins at "up and down" with throttle- and 2000 rpm or close,. mixture of both,----and it still has the;Brad Penn- breakin oil in it.Can i change it to regular oil now? or wait awhile.Waiting isn't needed after intial breakin Is it? What is recomended -----if i can do this now? 10w-40 Wolfs Head- or you tell me what weight ,i will need another filter also.?If i am getting to "quickly" on this oil change lmk please, thanks as always for good help:thumbup: bob s
