69 Camaro front suspension HELP!!

[bearcat]

Ok I have a problem BBC, hotchkiss springs, QA1 shocks, 2 " spindles.

The height was too low when I first put the engine in. I then put 2" spacers and everything was good to go. THen a few months later, more sagging and the ride height is too low.

any ideas how to fix this? Can I put a 4" spacer? Do I need different springs?

THanks for helping!