Worried about your 18+ engine tick? This might make you feel better about it.

[Furiosa GT]

Just thought I would post this. This guy has around 20k miles on the stock sealed long block. It has numerous passes at around 1100RWHP and runs mid 8's. He never blew the engine but upgraded it anyway in the quest for 7's. What the engine builder found was that 2 cylinders had a looser clearance and tolerance. That of course would explain his, mine and everyone elses engine tick while the engine is cold. This engine survived with the tick at 1100 RWHP. It does show that the issue is 100% the fault of Ford not building it correctly but also shows that the engine will live and still make great power. Made me feel better about my own tick since the Ford obviously isn't going to fix it cause they deem it normal.

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[Cobra Jet]

Loose tolerances were discussed and documented in the TSB/Issues sub-forum almost 2 years ago when folks included pics and spec findings on engines that were under warranty review due to the (insert your fav Coyote noise here).