| [ Total Views: 813 | Total Replies: 6 | Thread Id: 38092 ] |
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 modulus
A.k.a.: Peter Hill
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| posted on April 23rd, 2005 at 01:17 PM |
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Polishing Type IV engine alloy (now with naked engine parts)
Hi,
I'm looking for any tips on polishing this alloy. I've seen these parts powder-coated, but not polished. Is it possible? Whaat equipment and
pastes?
Thanks in anticipation...
[Edited on 24/4/2005 by modulus]
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modulus
A.k.a.: Peter Hill
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| posted on April 25th, 2005 at 12:40 PM |
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Well, I've got the polishing rags out (metaphorically, at least)... so where do I start?
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PurpleT3
Fahrvergnugen
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| posted on April 25th, 2005 at 01:02 PM |
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You need a polish suitable for aluminium or alloy as it's usually called. As it's a cast piece you will need to sand it first to get rid of all the
surface imperfections.
Are you planning to pull it out? If not, I think trying to polish that by hand will take about a week! To do it properly, pull it out and use a
bench polishing wheel. To do it in place you'll need a buff on a drill.
Ain't nothin' like the wind in your hair.
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barenyisbeetle
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| posted on April 28th, 2005 at 04:11 PM |
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If you are going to do this its better to pull the motor or go and get a spare housing and polish until you do. When I did my last rebuild I did
inside and out using fine emery paper /dowels and eventually autosol, looked so good I hung it on the wall. looks like a giant alien skull. anyhow
you'll be glad you did. Its reassuring knowing the air you have blowing in your face is running over clean alloy and not to much oil and crud. but be
warned this mag stains and corrodes if a long luster is what youre after maybe crome? or a satin anodies.
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Andy
Son of Jim - Creator of Good
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| posted on April 28th, 2005 at 04:22 PM |
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Yep, as barenyisbeetle said, this is magnesium base (not aluminium) like the old beetle engine cases, so once polished it will need clear coating or
something to protect it. It will stain and corrode before your eyes.
It will also react to some cleaners/polishes so try it on a hidden cornet first.
I like most opted to paint/powder coat. The enamal on mine seems to be lasting. I painted inside and out to try and stop crud building up inside as
well.
Polishing will require lotsa elbow grease!!
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modulus
A.k.a.: Peter Hill
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| posted on April 29th, 2005 at 03:02 PM |
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Thanks to all for the advice.
Andy, how about a photo?
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Andy
Son of Jim - Creator of Good
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| posted on April 29th, 2005 at 03:34 PM |
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Will have to get one from home, so post later dude!
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