Paint inside block
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Fleet Owner
Joined: Sep 2005
Posts: 28,609
Likes: 18
From: Lake Tahoe, Nevada
Paint inside block
There was a thread some time ago asking about painting inside the block and why it is done. I have not yet found out what kind of paint is used but I did find out why. Smokey Yunik says it is to encapsulate any small particles of cast iron on the inside of the block that might otherwise end up in your oil.
Logistics Pro
Joined: Jan 2002
Posts: 4,907
Likes: 39
From: suburban atlanta
Why bother with paint? The sludge in my engines holds all those rescally iron particles in place just fine! Besides, paint adds weight, and we all know weight is the enemy of performance.
Actually, my dad had a 352 that had coke deposits on the crankshaft and the inside of the block... he also had so much sludge that you couldn't see the rocker arms when we took the covers off. And this was an aeronautical engineer designing jet engines for B52s. Cobblers kids have no shoes. eh?
tom
Actually, my dad had a 352 that had coke deposits on the crankshaft and the inside of the block... he also had so much sludge that you couldn't see the rocker arms when we took the covers off. And this was an aeronautical engineer designing jet engines for B52s. Cobblers kids have no shoes. eh?
tom
Posting Legend
Joined: Sep 2001
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Senior User
Joined: Aug 2004
Posts: 170
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From: Virginia Beach, VA
Thanks to Torque for the prior link. I deburred and chamfered the interior of the block BEFORE it went to the machine shop for boring/hot tanking. I used Eastwood's Glyptal on the interior, and although I don't have alot of miles on the engine yet, I did have to pull the intake and the Glyptal still looks good. Of course the block was extremely clean before I painted the interior of the block.
Bob
Bob
