I pulled the valvecover tonight, and got down to the girdle that holds the cams. Presumably I am supposed to jam the feelers in these little diamond shaped openings in the girdle? Is this a task I'm better off dropping the engine for? The Factory Manual doesn't suggest doing so, but it's real light on information here. There's not a lot of room here, what're my best practices here? is there a particular brand/length of feelers y'all recommend? do I need to pre-bend them or anything like that? This looks like a pain in the ass- I am not enthused here. Thoughts? Good wishes? Good stories? Bad stories? Story stories?