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8/14/2013 12:08 PM  #1


Cleaning off old RTV silicone

Hey guys I'm cleaning up my intake and block to re-install it.  I previously installed it the way Mustang Steve recommends with only black rtv silicone on the front and rear instead of the cork gaskets, which worked great, but now I need to clean all of the old silicone off to prep it for re-install.

I got most of it off of the block with a razor blade, but there is still a paper thin layer I can't get off.  I haven't started cleaning it off of the aluminum intake yet for fear of gouging or shaving the aluminum with the razor blade.

Anybody know any cool tricks for cleaning this stuff off?

Last edited by Michael H. (8/14/2013 12:08 PM)

 

8/14/2013 12:12 PM  #2


Re: Cleaning off old RTV silicone

A very sharp 1" wood chisel works great.  You can push harder on it than you can on a razor blade.  Even quicker use a wire wheel on your grinder or drill.


Embrace Patina, No Matter How Old Or New It Is         ~          http://www.mustangsteve.com           ~
 

8/14/2013 12:16 PM  #3


Re: Cleaning off old RTV silicone

Michael H. wrote:

Hey guys I'm cleaning up my intake and block to re-install it.  I previously installed it the way Mustang Steve recommends with only black rtv silicone on the front and rear instead of the cork gaskets, which worked great, but now I need to clean all of the old silicone off to prep it for re-install.

I got most of it off of the block with a razor blade, but there is still a paper thin layer I can't get off.  I haven't started cleaning it off of the aluminum intake yet for fear of gouging or shaving the aluminum with the razor blade.

Anybody know any cool tricks for cleaning this stuff off?

 
I use a rotary scotch pad disc...perfect for cleaning  up metal...be sure to protect all areas from flying debris....jj


"Never put a question mark where God put a period."
 

8/14/2013 1:21 PM  #4


Re: Cleaning off old RTV silicone

Are those method safe on aluminum?

     Thread Starter
 

8/14/2013 1:53 PM  #5


 

8/14/2013 2:10 PM  #6


Re: Cleaning off old RTV silicone

Michael H. wrote:

Are those method safe on aluminum?

 
YES, Excellent on aluminum...I use" Permatex The Right Stuff " (gray) aerosol  gasket maker...lay intake on for a look-see test fit to figure out how thick the bead has to be....jj 


"Never put a question mark where God put a period."
 

8/14/2013 2:15 PM  #7


Re: Cleaning off old RTV silicone

Plus 1 for the wire wheel. I bought one and it worked great on the intake and block. 


1966 Mustang Fastback K-Code,289,T-5, 9-inch rear with 3.50 gears.
 

8/14/2013 8:34 PM  #8


Re: Cleaning off old RTV silicone

i wire wheel iron steel and aluminum..no issues

 

8/14/2013 9:16 PM  #9


Re: Cleaning off old RTV silicone

jerseyjoe wrote:

 
I use a rotary scotch pad disc...perfect for cleaning  up metal...be sure to protect all areas from flying debris....jj

+1... they are fast and safe
 

 

8/14/2013 9:57 PM  #10


Re: Cleaning off old RTV silicone

JamesW wrote:

jerseyjoe wrote:

 
I use a rotary scotch pad disc...perfect for cleaning  up metal...be sure to protect all areas from flying debris....jj

+1... they are fast and safe
 

A couple of years ago someone on this forum told me not to use the little Scotch Bright pads in my die grinder to clean up heads and manifolds as they will eat away the metal.

Well, I guess they will if you aren't a little careful but I've used them twice to clean up manifold gasket Mustangsteve residue and  they are absolutely the best method I've ever used...just go easy and use a little gray matter.

BB


"Richard made me do it..."
 

8/15/2013 12:13 AM  #11


Re: Cleaning off old RTV silicone

Bullet Bob wrote:

JamesW wrote:

jerseyjoe wrote:

 
I use a rotary scotch pad disc...perfect for cleaning  up metal...be sure to protect all areas from flying debris....jj

+1... they are fast and safe
 

A couple of years ago someone on this forum told me not to use the little Scotch Bright pads in my die grinder to clean up heads and manifolds as they will eat away the metal.

Well, I guess they will if you aren't a little careful but I've used them twice to clean up manifold gasket Mustangsteve residue and  they are absolutely the best method I've ever used...just go easy and use a little gray matter.
  
BB

"Love that" What's this stuff Abby? Well Jeffro its Mustangsteve residue. 

Last edited by bulletbirdman (8/15/2013 12:15 AM)


Hey... I never said it was a good joke! I'm just playing along with the gag
 

8/15/2013 7:47 AM  #12


Re: Cleaning off old RTV silicone

Bullet Bob, I think you may have just coined a new phrase... "MustangSteve Residue"

     Thread Starter
 

8/15/2013 10:28 AM  #13


Re: Cleaning off old RTV silicone

I thought that was what you were left with after one of those...'actually...' events.

 

8/15/2013 8:25 PM  #14


Re: Cleaning off old RTV silicone

NNNNNNNNNNNNNNOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO!!!!!!!!!!!!!!!!
LOL...

I knew it was coming when I read BB's post, then the others sealed the deal..

And, Bullet, I do NOT remember saying that about not remembering stuff!


Embrace Patina, No Matter How Old Or New It Is         ~          http://www.mustangsteve.com           ~
 

8/15/2013 8:56 PM  #15


Re: Cleaning off old RTV silicone

MustangSteve wrote:

NNNNNNNNNNNNNNOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO!!!!!!!!!!!!!!!!
LOL...

I knew it was coming when I read BB's post, then the others sealed the deal..

And, Bullet, I do NOT remember saying that about not remembering stuff!

Would you like me to post the E-mail in which you made that statement?  I think It's still burried somewhere on this here machine.  Been laughing my fanny off ever since.

BB


"Richard made me do it..."
 

8/15/2013 9:00 PM  #16


Re: Cleaning off old RTV silicone

If you guys start using that term, you are going to scare off any newcomers...

" I did NOT place RTV on his manifold!"  or MSR for that matter...


Embrace Patina, No Matter How Old Or New It Is         ~          http://www.mustangsteve.com           ~
 

8/15/2013 9:26 PM  #17


Re: Cleaning off old RTV silicone

I think there's some mustangsteve residue on that T-shirt you sent me....

 

8/15/2013 9:29 PM  #18


Re: Cleaning off old RTV silicone

JamesW wrote:

I think there's some mustangsteve residue on that T-shirt you sent me....

MSR....a new acronym James.


"Richard made me do it..."
 

8/16/2013 6:31 AM  #19


Re: Cleaning off old RTV silicone

Just wait until I get ahold of your yellow plug wires...


Embrace Patina, No Matter How Old Or New It Is         ~          http://www.mustangsteve.com           ~
 

8/16/2013 2:48 PM  #20


Re: Cleaning off old RTV silicone

This is a New Zealand web site. I'm pretty sure that product is not available in the U.S. 

Cut off as much as you can with a razor blade or a chizel (I too am partial to the chizel), then use Permatex RTV remover. 

 

Board footera


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