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-   -   Salt damage on Sportmaster lower (https://www.offshoreonly.com/forums/drives-lower-units/241428-salt-damage-sportmaster-lower.html)

redbud35 10-25-2010 09:38 PM

Salt damage on Sportmaster lower
 
Any ideas on removing salt damage. (Streaking, tiny pitting).

Philm 10-25-2010 10:06 PM

I used wet 800 grit sandpaper on my Imco lower. the tarnish came off very easily with a liberal application of water. The aluminum will clog up your sandpaper quickly if you try to do it dry. 800 grit wont get it shiny, more like the brushed aluminum/Satin look that they have from the factory.

I then put on a couple coats of wax just for good measure.

redbud35 10-26-2010 05:06 AM


Originally Posted by Philm (Post 3238549)
I used wet 800 grit sandpaper on my Imco lower. the tarnish came off very easily with a liberal application of water. The aluminum will clog up your sandpaper quickly if you try to do it dry. 800 grit wont get it shiny, more like the brushed aluminum/Satin look that they have from the factory.

I then put on a couple coats of wax just for good measure.

THanks. I'm not looking for a polished look. Just want them back to satin.

CB-BLR 10-26-2010 07:02 PM

An orbital sander with 60-80 grit paper will make a IMCO lower look just like new.

Chris

Philm 10-26-2010 10:54 PM


Originally Posted by CB-BLR (Post 3239340)
An orbital sander with 60-80 grit paper will make a IMCO lower look just like new.

Chris

60 GRIT!!! :eek::eek:

Dont do that too often or you will be seeing gears before you know it.:lolhit:

800 grit took off aluminum damn fast, i would think 60 grit would eat the hell out of it.

Strip Poker 388 10-27-2010 12:21 AM


Originally Posted by Philm (Post 3239587)
60 GRIT!!! :eek::eek:

Dont do that too often or you will be seeing gears before you know it.:lolhit:

800 grit took off aluminum damn fast, i would think 60 grit would eat the hell out of it.

i agree,Even a scotch brite pad will work

CB-BLR 10-27-2010 09:50 AM

If you go over the lower very lightly with an orbital sander (60-80 grit)...It works great. I believe it is the same grit IMCO uses originally.

Chris


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