text:  block and do that. We've done a number of those to get the rust scale out of them where we've had to pull the starter, drain the blocks, and it took a lot. I mean, for me, even on my own truck, I spent about eight hours taking the starter off, draining, filling, you know, cleaning, do it a second time, make sure it looked clean, and then putting a neutralizer in there, then pulling the starter and draining it again.