Hotter thermostats like the 180°,and/or weak coolant,along with a weak (or,failed) cap make formation of air bubbles between cylinders far more common/possible...
Winner 2001 Road Course (prep. class) Detroit,MI
Winner 2006 Drag race (SS class) Indianapolis,IN
Quickest event reaction time .013sec. (final-round)
Class Winner 2014 Charlotte,NC. 2016 NOLA car shows
Winner 2019 Road Course (prep.class) Pittsbugh,PA