ZDDP, just think there are some older and very costly engines that a zinc additive has never been allowed in the lube oil. It is considered a huge no no to use it. The key would be a lube with very high EP properties.

Last edited by Truckrolet; 05/17/2023 3:38 AM.
Kicking self for selling off my Taskforce trucks.
Still looking for an LCF or conventional big bolt in decent shape.


As of 10-26-2022, A 55.2 Taskforce long bed now the work begins