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If it was polished then sand blasted depending on the media would look anything like brushed finsh to cast finsih. Soda or dry ice would leave it the smoothest, where sand, glass bead, or walnut shell would leave it pretty rough.
 
Last alum intake I sandblasted looked great, for about five minutes.
It became uncleanable, the grime would get into the pores so it seemed.
I ended up painting it.

Maybe I used the wrong abrasive ?
 
Mike,
I have sand blasted several over the years and used POR-15 Clear on them immediately, if you are interested you can go to my showroom and the pictures of my 396 and that is how it will look. It comes out a bit darker than how a new intake looks out of the box. The POR-15 will live I am here to tell you. Drove my on a 18 hour round trip and the heat cross over ports never even tried to peel or turn yellow. Amazing stuff for sure, a bit expensive but worth it the money, what ever you do, do NOT use rattle can clear. If you need any more info let me know. You can wipe it down with 50/50 409 and it will look great for years, the one in the pictures was done in 2003.
I hope this helps.

Jesse
 
Ice Blasting will do absolutly nothing other then clean the grease and grime off. I blasted an intake and then clear coated it with VHT Clear. When you pull it out of the cabinet, don't get it dirty as the pores will attract dirt and stay dirty.
 
I sandblasted mine and cleared it with a matt Imron clearcoat. I like the look of the matt finish over gloss. Seems to clean up well. Like mentioned above if it is not cleared or painted it attracts dirt like a magnet, even finger prints show up just handling it.

Image
 
Mike,
I have sand blasted several over the years and used POR-15 Clear on them immediately, if you are interested you can go to my showroom and the pictures of my 396 and that is how it will look. It comes out a bit darker than how a new intake looks out of the box. The POR-15 will live I am here to tell you. Drove my on a 18 hour round trip and the heat cross over ports never even tried to peel or turn yellow. Amazing stuff for sure, a bit expensive but worth it the money, what ever you do, do NOT use rattle can clear. If you need any more info let me know. You can wipe it down with 50/50 409 and it will look great for years, the one in the pictures was done in 2003.
I hope this helps.

Jesse
Looks good Jesse, I grabbed a link from your showroom. How old is this picture relative to the paint job?

Image
 
Ron,
Thanks for the kind words, the clear job on this intake was done in November 2006. Now this is a show car and not a daily driver OK. However I do stand by this product on sand blasted intakes. You can apply it three ways, (1) Spray, (2) Brush, or Foam Brush. I used a Foam Brush from my local Ace Hardware Store. The clear is very forgiving and works out smooth, two coats. I did the one of my 350 crate that I sold back in 2002 and the engine is in a 36 Chevy since that time, and has made several trips to Tenn from South Carolina and it still looks great also.
Take care.
 
Hey guys, sorry about possibly hijacking this thread, but I just bought a new 2101 Edelbrock intake and I'd like to keep it looking as nice as possible. I like the idea of the POR-15 clear, so what should I use to clean it before I use the clear? The intake is still new in the box, I've just handled it a couple of times. Thanks for any advice. 64elkynss
 
Make sure to scrub out the inside of the intake. I sandblasted mine, when I rubbed the sides, my finger hand sand on it. Just squirting water through it will not get the sand out. You have to scrub.
 
Make sure to scrub out the inside of the intake. I sandblasted mine, when I rubbed the sides, my finger hand sand on it. Just squirting water through it will not get the sand out. You have to scrub.
Some do some don't, If it has a tin splash shield underneath remove it and thoroughly clean.
 
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