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Painting Steel Pulley

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Old 02-02-08, 06:20 PM
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Painting Steel Pulley

Hey gents, So I bought a new pulley double belted pulley for the s4-s5 alternator and I am doing the FD alt upgrade. So the pulley needed to be reamed out and have a spacer welded in. Well during the reaming out process, the nickel platting burned off. So now I have a oxidized steel pulley that is gonna rust the second I put it in the engine.

My question is, what is the best paint to use on a pulley that won't wear off or won't apply a think layer so it'll cause squealing.

People have recommended certain types that I am unsure of what the results would be.

- Extend from locktite, that converts rust to black paint, dun know how this will adhere
- Steelit , stainless steel paint that is durable, can't even find this one?
-Powder coat black, that'd be nice but that leaves a rough finish for the grooves in the pulley area.


Any ideas would rock, thanks (=
Old 02-02-08, 06:28 PM
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Almost any paint will work. You just need to make sure to properly clean and prep the surface before you paint. Do not paint the grooves. The grooves will not rust as the belts will keep them clean.
Old 02-02-08, 09:06 PM
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Alright, will it hurt to put a very light coat in the grooves?
Old 02-02-08, 10:34 PM
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Will it hurt? No, but I would expect that paint to eventually rub off from belt contact eventually.
Old 02-02-08, 11:14 PM
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Agreed for the most part, it probably wouldn't hurt to paint the groove, but it would be pointless. I would argue there's a higher chance of belt slippage if you paint the groove. Because of that, if it were me I would purposely avoid painting the groove.
Old 02-03-08, 07:08 AM
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gotcha, thanks =)
Old 02-03-08, 09:21 AM
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i would try appliance epoxy paint.. made by rustoleum. painted an engine bay with it and other stuff, works great =p
Old 02-03-08, 10:30 AM
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I've always had good luck with VHT caliper enamel. Once it's baked, it becomes very solid.

Don't worry about getting it into the grooves. It will wear off quickly.
Old 02-03-08, 01:15 PM
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VHT, I'll give that a try,
Old 02-03-08, 05:30 PM
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I would actually just Nick the original Timing Mark.That is,Indent it a bit with a Scribe,or Lightly Mark it with a "rotary Tool" cutting disc(Dremel)..and Then Paint it.That way the Paint will have a place to settle into (the Groove) and IF you ever get the paint Scuffed off it,the Marks can be found by "Feel"...anyhow,That's Me..
Old 02-03-08, 05:42 PM
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paint in the grooves is bad actually, unless your belts are crap i would try to find some old used v belts and strap them into the groove to keep paint out of it while painting them. i've had some paint fouled belts that turned to crap after a short period of time and either squealed or ate themselves up.

it's usually not as bad of an issue if you let the paint COMPLETELY cure but mid winter, as it is now, that's alot to ask.




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