Club Cobra Keith Craft Racing  

Go Back   Club Cobra > Club Cobra Tech Areas > Tech Tips

MMG Superformance
Nevada Classics
Main Menu
Module Jump:
Nevada Classics
Nevada Classics
MMG Superformance
MMG Superformance
Advertise at CC
Banner Ad Rates
MMG Superformance
Keith Craft Racing
Keith Craft Racing
March 2024
S M T W T F S
          1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
31            
  #1 (permalink)  
Old 06-25-2013, 10:04 AM
Senior Club Cobra Member
Visit my Photo Gallery

 
Join Date: Feb 2005
Posts: 651
Not Ranked     
Default 3M Paint Defender - My Results

I like it! The end result is very good. I just had to do it twice!

I've had the can of it for a few weeks. I finally applied it yesterday, and again today. The first application wasn't acceptable, and the poor results were my fault. The good news: I let it cure overnight. I was able to peel it off in a single sheet. I did the second application today, and it turned out very nicely. Today's work is curing as I type this.

I applied the Defender to the leading surface of the rear fenders, where fender spats would be used. This is a small area and a vertical surface. After having to spray the fenders twice, I still have about 1/2 can of Defender.

The Process
1. Directions state 3 coats are needed. The 1st coat should be applied in a left to right, then right to left pattern. The 2nd coat should be applied in an up, then down pattern. The 3rd coat is applied in the left/right pattern.

I did all that, and had a bad case of runs on each fender. Those runs didn't begin to appear until 10 minutes after the spraying. They got progressively worse over the course of 1 hour. Here's why. As a COAT is applied, (let's use an up and down pattern), you will make one spray PASS from top to bottom. A pass will provide about 3" width of product. Before make the next PASS, count 6 seconds and then spray the next parallel pass. The waiting of 6 seconds between PASSES probably allows the product to begin stabilizing. I didn't wait the 6 seconds during my first application, and I probably put a little too much product on.

2. I modified the written procedures a bit when I started today's new application. Since my work area was vertical and narrow, I:
a. eliminated the left/right COAT. I did 3 COATS, but each COAT was the up/down pattern.
b. I counted closer to 8-10 seconds between PASSES.
c. Instructions say spray 6-8 inches from the surface. I was at least 8" away, and maybe a little more.

3. I removed the tape about 3 minutes or so after having finished the spraying. The edge line was sharp and undisturbed.

4. Instructions state cure time can be accelerated if you park the car in the sun, AFTER spraying and tape has been removed. I stayed in the garage with it. However, in about 4 minutes into curing I saw the slight beginning of a run on the first fender of today's work. I set up a single 500w quartz work light about 16" from the fender. The cure process began to speed up, and the beginning of the run almost totally disappeared. At least it didn't get larger. I'm not recommending the quarts light. It did work for me. I used it on both fenders today.

Now the endurance/protection test begins. The GY BB's have been brutal on my red paint.

David
Reply With Quote
  #2 (permalink)  
Old 06-25-2013, 10:31 AM
CC Member
Visit my Photo Gallery

 
Join Date: May 2003
Location: Hudson Valley NY, NY
Cobra Make, Engine: Backdraft, 302, Tremec 3550. #038
Posts: 863
Not Ranked     
Default

Hmm, may have to try this. I have a spray on coating that is black and still removable after 3 years. How long will the 3M stay removable?
__________________
Kids in the backseats cause accidents, accidents in the backseat causes kids ! Good reason to get a Cobra !!!
Reply With Quote
  #3 (permalink)  
Old 06-25-2013, 07:45 PM
SoTxButler's Avatar
Senior Club Cobra Member
Visit my Photo Gallery

 
Join Date: Jan 2008
Location: McAllen, TX
Cobra Make, Engine: Butler...488" hi-rise, dry-sump FE s/o w/stacks
Posts: 543
Not Ranked     
Default

What is the black spray on?
__________________
Russ
Reply With Quote
  #4 (permalink)  
Old 06-26-2013, 11:09 AM
CC Member
Visit my Photo Gallery

 
Join Date: Jun 2007
Cobra Make, Engine: SPF GT40
Posts: 236
Not Ranked     
Default

I too was impressed with 3M Defender. Did the nose of my GT40 a couple of weeks ago before a 1000 mile drive with the Mile High Cobra Club. No rock chips even though we did an unintended gravel road detour. My advice is wait 2-3 minutes between the 3 coats to eliminate runs.
Reply With Quote
  #5 (permalink)  
Old 06-26-2013, 12:11 PM
Got the Bug's Avatar
Senior Club Cobra Member
Visit my Photo Gallery

 
Join Date: Oct 2006
Location: Santa Cruz, CA
Cobra Make, Engine: SPF 2613 Titanium w/Black, Roush 402SR
Posts: 4,097
Not Ranked     
Default

Looks pretty cool. There are several videos on you tube about how to apply and remove it.

YouTube
__________________
Doug

No stop signs, speed limit - Nobody's gonna slow me down - Like a wheel, gonna spin it
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -7. The time now is 01:23 AM.


Powered by vBulletin® Version 3.8.0
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Search Engine Friendly URLs by vBSEO 3.6.0
The representations expressed are the representations and opinions of the clubcobra.com forum members and do not necessarily reflect the opinions and viewpoints of the site owners, moderators, Shelby American, any other replica manufacturer, Ford Motor Company. This website has been planned and developed by clubcobra.com and its forum members and should not be construed as being endorsed by Ford Motor Company, or Shelby American or any other manufacturer unless expressly noted by that entity. "Cobra" and the Cobra logo are registered trademarks for Ford Motor Co., Inc. clubcobra.com forum members agree not to post any copyrighted material unless the copyrighted material is owned by you. Although we do not and cannot review the messages posted and are not responsible for the content of any of these messages, we reserve the right to delete any message for any reason whatsoever. You remain solely responsible for the content of your messages, and you agree to indemnify and hold us harmless with respect to any claim based upon transmission of your message(s). Thank you for visiting clubcobra.com. For full policy documentation refer to the following link: CC Policy
Links monetized by VigLink