Rickyd TJ Expert Supporting Member Joined Jan 2, 2020 Messages 3,811 Location North coast,CA Apr 5, 2023 #21 Did you follow a lifter break in? What oil did you use initially and after? I recommend flat tappet break in oil and then zddp additive afterwards,engine oil isn'twhat it used to be.. Cam and lifter quality hasn't improved either Reactions: BlueC
Did you follow a lifter break in? What oil did you use initially and after? I recommend flat tappet break in oil and then zddp additive afterwards,engine oil isn'twhat it used to be.. Cam and lifter quality hasn't improved either