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Cleaning a plastic fan shroud #1177732 02/13/12 03:39 PM 02/13/12 03:39 PM
Joined: Mar 2005 Posts: 939 Metro Detroit 1 1970RT OP super stock
1970RT OP super stock 1 Joined: Mar 2005 Posts: 939 Metro Detroit	I recently picked up an original plastic fan shroud for my car. It is in great shape but needs a good cleaning. I tried washing it and scrubbing it with a brush but the dirt on it is like baked on. Does anyone know what I could use to clean the dirt off without damaging the surface of the shroud?

Re: Cleaning a plastic fan shroud [Re: 1970RT] #1177733 02/13/12 03:46 PM 02/13/12 03:46 PM
Joined: Jan 2004 Posts: 27,347 Today? Who Knows? 1_WILD_RT Management Trainee
1_WILD_RT Management Trainee Joined: Jan 2004 Posts: 27,347 Today? Who Knows?	Chrome Wheel cleaner.... It's an acid formula & will loosen all sorts of stuff... Since acid is stored in a plastic bottle it obviously doesn't effect plastic... "The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."

Re: Cleaning a plastic fan shroud [Re: 1_WILD_RT] #1177734 02/13/12 05:53 PM 02/13/12 05:53 PM
Joined: Jul 2009 Posts: 249 Sonora, CA 68X426 enthusiast
68X426 enthusiast Joined: Jul 2009 Posts: 249 Sonora, CA	Quote: Chrome Wheel cleaner.... It's an acid formula & will loosen all sorts of stuff... Since acid is stored in a plastic bottle it obviously doesn't effect plastic... Not all plastics are the same, "plastic" is a very broad category. Best to not assume that the storage bottle is the same material in the shroud. The bottle has different requirements for its job than a shroud. Try Simple Green first. Amd then maybe a pressure washer. The 12 Scariest Words in the English Language: We are here from the Government and we want to help you. 1968 Plymouth Road Runner, Hemi and much more 1968 Dodge Charger, 318 and not much else 1958 Dodge Pick Up, 383 and loud 1966 Dodge Van, Slant 6 and cool

Re: Cleaning a plastic fan shroud [Re: 68X426] #1177735 02/13/12 06:19 PM 02/13/12 06:19 PM
Joined: Jun 2003 Posts: 21,442 It's a dry heat gtx6970 Too Many Posts
gtx6970 Too Many Posts Joined: Jun 2003 Posts: 21,442 It's a dry heat	In the order I do them simple green laquer thinner glass bead cabinet laquer thinner adhesion promotor SEMS satin black

Re: Cleaning a plastic fan shroud [Re: gtx6970] #1177736 02/13/12 08:58 PM 02/13/12 08:58 PM
Joined: Jan 2003 Posts: 20,796 A collage of whims topside Too Many Posts
topside Too Many Posts Joined: Jan 2003 Posts: 20,796 A collage of whims	I've used wax & grease remover and Simple Green, then some Armor-All. I prefer to not paint them, but I can understand that sometimes there's no other way to make them nice.

Re: Cleaning a plastic fan shroud [Re: 1970RT] #1177737 02/13/12 09:22 PM 02/13/12 09:22 PM
Joined: Feb 2005 Posts: 28,312 Cincinnati, Ohio Challenger 1 Too Many Posts
Challenger 1 Too Many Posts Joined: Feb 2005 Posts: 28,312 Cincinnati, Ohio	I blasted the plactic stuff that comes on challengers with a pressure washer. It did a great job for me and I did't do anything to them afterwards except spray WD 40 on them. They still look good today.

Re: Cleaning a plastic fan shroud [Re: Challenger 1] #1177738 02/13/12 09:34 PM 02/13/12 09:34 PM
Joined: Jan 2007 Posts: 7,664 IN A ahy master
ahy master A Joined: Jan 2007 Posts: 7,664 IN	Simple Green and a pressure washer has worked well for me on plastic chassis parts like the shroud. On somewhat nasty under car parts like rail mounted splash shields I have used a light coat of Krylon semi flat black which seems to hold up well. I wouldn't do that on a shroud as it might just flake and look crummy... if needed I'd use the 3 step SEM plastic paint process (cleaner, adhesive promoting primer wash, black finish coat).

Re: Cleaning a plastic fan shroud [Re: ahy] #1177739 02/13/12 11:49 PM 02/13/12 11:49 PM
Joined: Jan 2003 Posts: 6,584 SE Pa. L LimeliteAero master
LimeliteAero master L Joined: Jan 2003 Posts: 6,584 SE Pa.	another vote for Simple Green...

Re: Cleaning a plastic fan shroud [Re: LimeliteAero] #1177740 02/14/12 12:33 AM 02/14/12 12:33 AM
Joined: Nov 2006 Posts: 4,761 Star Idaho 6 67vertman master
67vertman master 6 Joined: Nov 2006 Posts: 4,761 Star Idaho	If you don't mind spending some coin.....contact these guys. Thier product works great for fan shourd restorations. http://www.restorationfullcircle.com/index.html Last edited by 67vertman; 02/14/12 12:34 AM.

Re: Cleaning a plastic fan shroud [Re: 67vertman] #1177741 02/14/12 02:00 AM 02/14/12 02:00 AM
Joined: Jun 2004 Posts: 3,380 St. Charles, MO wingman Uncreative Title
wingman Uncreative Title Joined: Jun 2004 Posts: 3,380 St. Charles, MO	I gave mine a good cleaning with Simple Green and then shot it with a Krylon Fusion (for plastics) spray bomb. Surprised how good it looks--maybe a little glossier than stock. No flaking. 1969 Dodge Coronet Super Bee 383 A4 1970 Plymouth Road Runner 440 FC7 (sold)

Re: Cleaning a plastic fan shroud [Re: wingman] #1177742 02/14/12 10:10 AM 02/14/12 10:10 AM
Joined: May 2005 Posts: 416 Franklin Co. Illinois runinonmt mopar
runinonmt mopar Joined: May 2005 Posts: 416 Franklin Co. Illinois	Foaming tire cleaner (No Touch),brush,rinse,dry then your favorite protectant. The original on my '75 looks like new. Ron In sixty-five I was seventeen and running up one-o-one I don't know where I'm running now, I'm just running on Jackson Browne-Running On Empty

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