Got it, thanks mate!
Oh, btw-redline assembly lube for the camshaft when installing.
Trap door mod looks very interesting, but what smws6ta said, be careful.
Thats good to know, thanks guys.
Hope is will help GM Formula 01.
I'll go on my own and say it has to do with those shocks are probably not valved correctly to work with the spring rate of the new lowering springs.