@Keif2Hype@atbashed Just go slow, take your time and monitor knock and ARFs, fair on the side of rich until you find the sweet spots. And keep a spare set of plugs on hand from fouling while learning 😅
@theunspecific@RealRichSimms Fact, the pressure keeps the coolant from boiling so it's keeping the coolant jackets in the block from being exposed to air. Once you open the cap the pressure drops and the coolant can boil away in a fury of a steam geyser this allowing the block innards to be exposed and warp