Drop the pan man lol. I would also be inclined to drop the valve body to look at 1-2 spring in the bore. That’s my wild guess. Maybe a pressure leak? Also, just wondering, how’s overdrive?
2010 P7B 149K. 11K hours. 3.27, RKE, Cruise, Ported stock plenum, JMod
2011 Sierra 1500 155K, too many mods to list. (RIP 01-05-2019)
2001 Durango R/T 5.9. 230K. SOLD 5-1-19
I’m a classical textbook over-thinker.