Is there a difference between EMERY and SANDPAPER?
Is there a difference between EMERY and SANDPAPER? alright tryna clean my cam. tryna figure out if i can use sandpaper instead of emery, like a 1200 grit. Or are these the same? I cant find any emery anywhere.
On The Tree
Joined: Aug 2008
Posts: 143
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From: honolulu
heres some online http://www.3m.com/Product/informatio...ery-Cloth.html
TECH Fanatic
Joined: Jun 2002
Posts: 1,979
Likes: 3
From: Upstate NY
If you are just removing some flash rust, try 400 grit (wet) and when it's cleaned off, finish with 600 grit, always wet. 1200 is a waste because it won't remove anything except the scratches from 600. 600 will give you the surface finish (smoothness) you need. Clean thoroughly between grits.
If 400 doesn't remove the rust, etc, start with 220 or 320 and progress to 400 and 600. In this case, you should be rotating the cam mounted in a lathe to prevent changing the shape of the lobes/journals.
If there are small pits, don't try to remove material down to the bottom of the bits. IOW, little "innies" don't hurt, but "outies" do. If you have scratches that 220 doesn't remove, you might need to replace the cam. Show it to a good engine builder or cam guy first.
Good luck.
Well i used the aluminum oxide one and used WD40 with it, itd take a week just to remove any material or to change the shape of it. I was just removing some prints from the lifters and some black crap on the cam. The 400 grit aluminum oxide worked really well. This was on an LS6 cam. I also checked home depot but they dont sell emery anymore and not sure where a lowes is in my area.
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TECH Fanatic
Joined: Jun 2002
Posts: 1,979
Likes: 3
From: Upstate NY
Well i used the aluminum oxide one and used WD40 with it, itd take a week just to remove any material or to change the shape of it. I was just removing some prints from the lifters and some black crap on the cam. The 400 grit aluminum oxide worked really well. This was on an LS6 cam. I also checked home depot but they dont sell emery anymore and not sure where a lowes is in my area.
http://stores.lowes.com/lowes/cgi/se...y.x=9&easy.y=8
FWIW, emery cloth is usually cloth backed and not a good idea for this application.
I will venture a guess that you have at least one automotive paint store in the Big D area. You'll find wet-or-dry up to 2000 or even 3000 grit there.
Hey it was just free advice....and worth everything you paid for it. You solved your problem without it. Good for you.
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