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#74294 03/05/2007 6:12 PM | Joined: Jan 2007 Posts: 99 Shop Shark | | Shop Shark Joined: Jan 2007 Posts: 99 | I have a '51 Chevy 3604 and I am cleaning the engine side cover. Do I dare sandblast the interior side of the cover to remove all the carbon built up over the years. :confused: I plan on blasting the exterior surface. I used a wire brush on my drill one the interior side and got most of it. I would imagine blasting it would pit the surface too much. I won't do anything until I get a lot of feedback. Thanks, Wada. | | |
#74295 03/05/2007 6:41 PM | Joined: Dec 2003 Posts: 2,733 Shop Shark | | Shop Shark Joined: Dec 2003 Posts: 2,733 | Cleaning it or sandblasting it will not harm it in any way however do not paint it as it could come off and get in the oil. Solvents should be all thats needed now however to finish it. | | |
#74296 03/05/2007 6:53 PM | Joined: Jan 2007 Posts: 99 Shop Shark | | Shop Shark Joined: Jan 2007 Posts: 99 | I think you're right 53moneypit, my gut tells me just to clean it as best I can without sandblasting it. I wasn't planning on painting it. I'm just a perfectionist I guess. Of course, then I would have just bought a new one. Thanks for your input. Wada | | |
#74297 03/06/2007 8:57 AM | Joined: Oct 2001 Posts: 3,458 Extreme Gabster | | Extreme Gabster Joined: Oct 2001 Posts: 3,458 | Soak it in a bucket full of lye for a week or two. It will remove all the crud but leave the metal alone, then just rinse it and coat it with motor oil to keep it from rusting.
Paint & Body Shop moderator
A lone amateur built the Ark. A large group of professionals built the Titanic. | | |
#74298 03/06/2007 3:35 PM | Joined: Aug 2005 Posts: 6,377 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,377 | Good advise above. One possible problem with sandblasting is it's easy to warp the metal from the heat generated. Sometimes blasting is necessary but always be careful about heat buildup.
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
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#74299 03/06/2007 6:01 PM | Joined: Jul 2004 Posts: 5,708 'Bolter | | 'Bolter Joined: Jul 2004 Posts: 5,708 | I could be all wet on this, but the 'warp' deal on sandblasting isn't from heat but rather the little granules of sand (or whatever) 'peening' the face of the material and spreading it out...just like beating on it with a hammer.
Stuart | | |
#74300 03/06/2007 7:33 PM | Joined: Feb 2006 Posts: 395 Shop Shark | | Shop Shark Joined: Feb 2006 Posts: 395 | blasting seem to make things grow so be carefull...doc | | |
#74301 03/06/2007 9:17 PM | Joined: Aug 2005 Posts: 6,377 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,377 | Could be stretching the metal or maybe a combination of both. The local sandblaster is the one who told me it was heat buildup. 
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
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#74302 03/06/2007 9:58 PM | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | Sand blasting motor parts makes me nervous. You sure don't want any sand inside the motor when you start running it!
I'd rather soak it in lye or have it hot tanked or something.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
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