Ever wonder why they used those little Torx screws to hold the piston squirters into the block? I removed them from the block I was working on so I could deglaze the cylinders for new rings. One of the screws had it's drive socket damaged and I had a very hard time getting it out. I replaced all four with short Allen socket head screws and started putting the bottom end back together. All seemed well until I bolted the first rod big end to the crank.
You know that magic moment when you first roll the flywheel over and you see that piston slide smoothly up and down in it's cylinder? Well, what you don't want to happen is for the rod to go "BONK" and stop part way around -- but of course in this case that is exactly what happened. Sure enough, the head end of the rod bolt was hitting the head of the squirter screw.
I don't know where to find one of those little Torx screws, so I guess I'll chuck the Allen heads in an electric drill and put them against a bench grinder wheel to reduce the head to a lower more mushroom shape. Maybe there was some reason why they used those little screws after all
Topic: squirter screws (Read 1868 times)
