I have a set here that I purchased in April 2019. After a couple years of scrounging parts I am finally able to use them or so I thought... with all 10 head studs in the block the heads will not sit on the dowels as they should. So I pulled all but the corner studs, set the head on the block and it sits as it should. I start putting studs in 1 by 1 looking for an issue. The long stud between cylinders 5 and 7 will not thread in as it should. I checked both heads on both sides. The issue...
TrickFlow 190 Issue
