Chris, it wasn't a big deal to check the cam cover, because the K321 is the broken down motor originally from the 1450, and it's sitting on the bench.
I think you're right, that all I'd need to do is remove the oil pan to see, if it comes down to having to pull the K341 to check those timing marks. The problem will be getting the engine in any kind of position for me to look up in there. I'm really, really hoping I don't have to do that...
I don't remember for certain that the compression release was working correctly, but I'm pretty sure it was. I don't know how it couldn't be, right? That's all built into the cam. Besides, if it wasn't working you could expect the engine to turn harder, but not all the backfiring and all that.
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