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Unread 09-12-2009, 08:25 PM   #1
NWA_CJ7
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Should I prime before Herc or U-Pol ??

Had my tub sandblasted and was wondering if I should spray down some self etch before I do the inside with herc or upol?? Will probably be U-pol most likely.

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83 CJ7 AMC 360, nuttered & team rushed. Dana 44 rear geared & locked, Dana 30 front geared & locked Dana 300 T. Case 4" Tough Country Lift, 1" daystar body lift, 1/2" shackle 35x12.50x15 MT MTZ's on MT classic 2's, Besrk Bumpers, Genright Tube Fenders
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Unread 09-12-2009, 08:47 PM   #2
Pricecheck
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Hey man. I just u-pol'd my cj. It turned out awesome. Just took it out today and tomorrow I'm gonna powerwash the inside. Should have no problem at all.

With as small as the cj5 tub is, I was able to get 4 coats out of the kit along with heavy application to the front floors, tranny area, rear floor (in front of seat).

check out me on cardomain http://www.cardomain.com/ride/3090904
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Unread 09-12-2009, 08:49 PM   #3
Pricecheck
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Forgot to mention... I did not prime first.
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Unread 09-12-2009, 08:51 PM   #4
Jeep89JV
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Wouldnt suggest primer although lots of people use some spray adhesive to help the wished liner to hold on better, also can use very rough sand paper on the entire area you're covering to make a rough surface.

Lets see pics after
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Unread 09-12-2009, 10:34 PM   #5
Coiz
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It states right in the U-Pol instructions "For best results bare metal should be treated with a suitable etch primer e.g.U-Pol Acid#8 (UP07776/ UP0741)"
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Last edited by Coiz; 09-12-2009 at 10:53 PM..
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Unread 09-13-2009, 08:21 PM   #6
NWA_CJ7
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Quote:
Originally Posted by Coiz View Post
It states right in the U-Pol instructions "For best results bare metal should be treated with a suitable etch primer e.g.U-Pol Acid#8 (UP07776/ UP0741)"

Thanks for the insight. I might know that if I already had it. Do you have to use their brand or do you think any etch primer would work?
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83 CJ7 AMC 360, nuttered & team rushed. Dana 44 rear geared & locked, Dana 30 front geared & locked Dana 300 T. Case 4" Tough Country Lift, 1" daystar body lift, 1/2" shackle 35x12.50x15 MT MTZ's on MT classic 2's, Besrk Bumpers, Genright Tube Fenders
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Unread 09-13-2009, 08:27 PM   #7
Coiz
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I would think any etching primer would be fine.
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Unread 09-14-2009, 03:04 PM   #8
47redwillys
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The auto aprts stores and the automotive paint supply stores have a product by SEM I think that works pretty well as far as primers go, but I have not used it under Raptor. I did spray my tub with Raptor after scuffing up the old paint with Scotch-brite and soap and water wash. Went on super, but it is only a month old right now.
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Unread 09-14-2009, 05:45 PM   #9
chainz
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I herculined the inside of my bronco 2 and all I did was scuff it up with sand paper and hose it off. 2 years later I have no problems or complaints.
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