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Pretty Please - add it to our Events forum(s) and add to the calendar! >> 
I have a 1275 that was re-worked by Rivergate, lived recently in a Morris Delivery, and was painted Chevy Orange. While removing the offending paint I decided to pull the timing cover, gears, chain and backing plate. I noticed an odd shaped hole due north of the crank and west of the cam. The hole is about the size of a dime and an odd shape. If it is a breather hole it was obviously made on a Friday. Good, bad, problem......?
Also, how much play should there be on the cam chain on the upper side? The teeth on the gears seem kind of sharp. I was planning on replacing both gears and chain but was curious. The chain may have been new at the rebuild but I doubt the gears were replaced. There appears to be enough slack that everything has a chance to be a few degrees off.
Now that I have the block down to bare metal anyone have an opinion as to who makes the best paint? I am disposed to break the rules and use Big Healey metallic green only because it is more pleasing to my eye then the darker green.
Also, how much play should there be on the cam chain on the upper side? The teeth on the gears seem kind of sharp. I was planning on replacing both gears and chain but was curious. The chain may have been new at the rebuild but I doubt the gears were replaced. There appears to be enough slack that everything has a chance to be a few degrees off.
Now that I have the block down to bare metal anyone have an opinion as to who makes the best paint? I am disposed to break the rules and use Big Healey metallic green only because it is more pleasing to my eye then the darker green.
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