Originally Posted by cidd
Is that the front of the cylinder ? if so that could be an extra boss for an accessory of some type to bolt to or maybe a spot to tap an oil galley running up to the top of the motor to oil the valves ? either way the metal separating the two has gotten a small hole in it and it would be smart to fix it if you can b4 the hole gets bigger.
Yes it is the front of the cylinder. The hole is a manufactured hole for sure as to who the manufacturer or person is that made it I don't know? I just wonder why its there and if it would be a problem if I plugged it.
Thanks for your reply