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LS engine paint removal without damaging aluminum??

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Old 02-08-2016, 08:01 AM
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Default LS engine paint removal without damaging aluminum??

I just picked up a low mileage LS 6.0 but the seller painted the block and heads gloss black.

What can I use on the the heads to remove paint and not tarnish the aluminum?

I want to keep the long block assembled but clean it, remove all paint from heads, mask, paint block assembly. None of the accessories are installed.

I was thinking about the Mar Hyd AL aircraft stripper but wondering if it will tarnish/stain the aluminum.

Open to suggestions.
Old 02-11-2016, 10:51 AM
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I think you can use about anything and you won't "damage" the AL.

You will likely have to do something to improve the appearance however.

I heard Al fin cleaner works well.

I have use a stainless wire wheel on it and it shines it up nicely.
Old 02-11-2016, 11:27 AM
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If you are going to paint it again, why not just take off the gloss with some sandpaper and paint over it?

Otherwise, a brass wirewheel should take the paint right off.
Old 02-11-2016, 11:29 AM
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Originally Posted by MuhThugga
If you are going to paint it again, why not just take off the gloss with some sandpaper and paint over it?

Otherwise, a brass wirewheel should take the paint right off.


Whomever painted it before just painted it. Its flaking and peeling off.


I don't want to paint over a poor prepped paint job so off it comes.
Old 02-11-2016, 11:43 AM
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Im almost considering stripping the block and heads and repainting them both.
I will be using a Edelbrock victor jr intake and I can paint the timing cover to match
the intake for contrast....We will see....


How it is now
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Old 02-11-2016, 11:48 AM
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Yeah, can't paint over a poor paint job. I just thought you wanted a different color.

Honestly, I'd hit it with a brass wire wheel to take the paint off. Use a rag and lacquer thinner for the stubborn areas.
Old 02-11-2016, 12:04 PM
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Originally Posted by MuhThugga
Yeah, can't paint over a poor paint job. I just thought you wanted a different color.

Honestly, I'd hit it with a brass wire wheel to take the paint off. Use a rag and lacquer thinner for the stubborn areas.


Definitely changing color too...Thanks for info



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