Subject	Google "crevice corrosion" for an explanation on the pitting
Posted by	Jim (Selin Design) on February 24, 2013 at 6:13 PM
	This message has been viewed 464 times.
In Reply To	Today's work posted by ZaXxon on February 24, 2013 at 02:54 PM
Message	Basically the clamped hose limits oxygen in the gap creating a potential with areas of the part with higher oxygen exposure. That area then acts just like a sacrificial anode on a boat. http://chem409.wikispaces.com/pitting+and+crevice+corrosion www.selindesign.net
Follow Ups	Winter in Michigan - ZaXxon 06:20:15 02/24/13 Nice work! - Drk93TT 07:41:34 02/24/13 haha Mine too (n/m) - IBZ2000 (Grand Rapids, MI) 12:11:14 02/24/13 Great job! (n/m) - Bigwill837 09:04:00 02/24/13 Did you clear out the block passages yourself? - puddlejumpinzx 11:53:56 02/24/13 Cleared myself... - ZaXxon 14:36:10 02/24/13 I remember my first build,, ahh takes me back. - white22sky 12:40:03 02/24/13 Looking good! (n/m) - Jayru 13:21:32 02/24/13 Using assembly lube? - BlackholeZ 13:51:21 02/24/13 Yes, royal purple max tuff assembly lube (n/m) - ZaXxon 14:37:16 02/24/13 Looks good, got a question. - DVDBURN (MD) 14:07:02 02/24/13 Thanks, I'm using the stock TT squirters, holes aready there (n/m) - ZaXxon 14:38:21 02/24/13 Ah ok. - DVDBURN (MD) 15:00:20 02/24/13 They spray in a different location. - Woody75 (Denver) 15:10:24 02/24/13 Yes, the squirters are interchangeable from NA to TT. - white22sky 15:15:29 02/24/13 Today's work - ZaXxon 14:54:01 02/24/13 Nice! as far as the water pipes go.. - Drk93TT 15:19:40 02/24/13 Swiss cheese water pipes - white22sky 15:22:58 02/24/13 Nice work dude! (n/m) - PiotrC70 16:04:27 02/24/13 Re: Nice work dude! - wild_maxx 16:28:56 02/24/13 Yes, they grind the rod, press the studs, then hone them (n/m) - ZaXxon 17:05:06 02/24/13 And what about the main crank bores? - ZXoltan 18:40:26 02/24/13 Google "crevice corrosion" for an explanation on the pitting - Jim (Selin Design) 18:13:40 02/24/13 What's a good cure for this? (n/m) - OverZealous (CT) 22:42:40 02/24/13 It's kind if inevitable but paint or a conversion coat may - Jim (Selin Design) 18:44:16 02/25/13 Wild, so the aluminium is actually being transferred to the - ZaXxon 12:42:55 02/25/13 The aluminum is being dissolved or oxidized... - Jim (Selin Design) 18:41:27 02/25/13 Extremely impressive, you wrenchers amaze me. I did go out - Gold Z 16:24:56 02/24/13 I take it that you finally got your car running OK? (n/m) - The Hawk 09:21:26 02/25/13 Awesome. Looks great. - ZXRider 17:13:41 02/24/13 Ive had the misfortune of making that mistake. Luckily only - Krazyd27(Houston) 11:50:42 02/25/13
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