Paint inside of engine?
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Senior User
Joined: Dec 2002
Posts: 373
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From: Wallaceburg On.
Paint inside of engine?
I have seen a few photos of rebuilt engines with the valley painted, does this assist with oil flow, is it worth the time? Also the metal plate behind the water pump on my 76 460 is solid but surface rusted. What should I use on this once I get the rust sanded off?
As always, thanks in advance
Greg
As always, thanks in advance
Greg
Elder User
Joined: Jun 2005
Posts: 651
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From: northeast, KY
I don't know about the valley painted, but i think they just paint them because for no reason (i can't think of one, i don't think it'd help in flow). Why don't you try some of that rust bullet and let us know about it. I've been thinking about doing that to my motor and then painting it with some engine paint.
Posting Legend
Joined: Sep 2001
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I have seen a number of engines painted inside and it indeed does make them slicker but when it comes to my engines I just deburr and smooth out all of the return passages etc. With my luck the paint would flake off and a piece would jam the oil pump.
Posting Legend
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Senior User
Joined: Feb 2006
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Seems like most of the valley painted engines I've run into have flaking or adhesion problems somewhere. I simply won't do it. Why add potential trouble?
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Junior User
Joined: Mar 2005
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From: Sandy, UT
I've heard it helps with return oil flow, however I've also heard that leaving it bare metal helps thermal transfer to help cool the oil on it's way back. The performace guys I know and myself don't thinks it's worth the risk of paint comming off... especially in a daily driver with all those temp cycles. And on a race engine the manifold is off a bit more often for inspection. I just de-burr...my .02
Fleet Mechanic
Joined: Mar 2004
Posts: 1,529
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From: Kansas
Originally Posted by Torque1st
I have seen a number of engines painted inside and it indeed does make them slicker but when it comes to my engines I just deburr and smooth out all of the return passages etc. With my luck the paint would flake off and a piece would jam the oil pump.
Junior User
Joined: May 2006
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From: New Jersey - SOUTHERN
for what its worth, there is a product out there called "Glyptol" that you can get through Eastwoods. Eastwoods make all sorts of crazy specialty tools, paints etc for car restoration. The "Glyptol" is a clear finish you paint on the inside of the block after its bead blasted to help the oil sheet off the metal and return to the oil pan/pump.
I believe Eastwoods website is just that www.eastwoodco.com
Its a little late on the post, but I hope this helps
Al Conforti
p.s. i've never used the stuff, just relaying information based on what i've read. I would have used it but at the time I did my engine build, i couldn't wait for them to ship it to me, i had to put my motor back together quick.
I believe Eastwoods website is just that www.eastwoodco.com
Its a little late on the post, but I hope this helps
Al Conforti
p.s. i've never used the stuff, just relaying information based on what i've read. I would have used it but at the time I did my engine build, i couldn't wait for them to ship it to me, i had to put my motor back together quick.
Posting Legend
Joined: Sep 2001
Posts: 30,255
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Yeowch... I have seen what happens when gunk and/or debris plugs an oil screen and I have seen some nice pretty spiral twisted pump drive shafts when a small particle got past the screen. The final effect is pretty much the same... 
BTW- For the pump plate, see if you can get it zinc plated.
BTW- For the pump plate, see if you can get it zinc plated.