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I keep reading that you do and do not need engine paint. Some say any paint will work, others say that you need engine paint. What gives. Any idea what would be durable, resistant to chemicals, and keep its gloss? I have no spray quipment.
 

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DC Crew
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I've had lots of luck using rustoleum high temp out of a rattle can. I imagine it's really only needed for looks, I mean the motor in my Vette isn't painted but I did paint the T-bucket motor, it's all exposed.
 

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correct surface prep and degreasing on the metal is critical to long term paint retention, a good pressure cleaner, solvent spray and a stiff brush and a heat gun will prove beneficial during the process.
internal surfaces like the lifter gallery, and lower crank case surrounding the rotating assembly, where paint is used to both trap and hold micro debris and speed oil flow back to the sump, is best done with paint designed to handle a constant bath of hot oil and rapid temp changes.

http://forum.grumpysperformance.com/viewtopic.php?f=51&t=125&p=155#p155

http://forum.grumpysperformance.com/viewtopic.php?f=51&t=3774&p=10002&hilit=bottoming+taps#p10002
 

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As far I read some blogs, the engine pain is not so much important, either you pain or not its not give so observable impact. grumpyvette provide you nice links to clean your doubt. Paint is used just for resist the heat, its not work as lubricant on the surface.
 
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