Por15 Without Complete Tear Down - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Jahloha · 12-02-2013, 06:51 PM

Team:

Can I apply Por15 without completing a full tear down (i.e. the front and rear ends, engine cross member, etc)? Or is this just foolish?

Mahalo,

Lee H · 12-02-2013, 07:15 PM

Sure, just clean per instructions and have at it. Do what ever you can reach now and then the other parts in the future do as the opportunity presents it's self.

JointTech · 12-02-2013, 07:47 PM

how will you por that stuff? Por works on bare metal. can you grind all the paint off those things while still on the truck? It also has a degreasing process where you have to wash first then apply an etch then you por. seems like a nightmare with it all still on the truck. And if you dont do the por the correct way you might as well just use rattlecan imho. it costs to much and is to nasty to work with to not get the full rust proofing benefits and/or have it peel off later.

notahybrid · 12-02-2013, 07:57 PM

Used it both ways. Obviously easier to use if the parts are out but not impossible if you are willing to lay on the floor scrape, wire brush, degrease, etc.. then start the POR process. I will say if done right it looks good and lasts.

gysgtc · 12-03-2013, 07:49 AM

I can tell you from experience. POR does not stick well going over existing paint.

12-02-2013, 06:51 PM	#1
Jahloha Registered User Join Date: Oct 2013 Location: Anaheim, CA Posts: 526	Por15 Without Complete Tear Down Team: Can I apply Por15 without completing a full tear down (i.e. the front and rear ends, engine cross member, etc)? Or is this just foolish? Mahalo, __________________ -JASON My grandpa, Gramps, won a 1970 C20 in 1969 for $1. I'm on a mission to restore it before he passes. My 1970 C20 Build Thread

12-02-2013, 07:15 PM	#2
Lee H Registered User Join Date: Jun 2010 Location: Upland Ca Posts: 4,147	Re: Por15 Without Complete Tear Down Sure, just clean per instructions and have at it. Do what ever you can reach now and then the other parts in the future do as the opportunity presents it's self. __________________ 1972 C10 SWB, Air, PS, PB, 350/350THM. Second owner. 1965 Corvette roadster, 44K miles, 327/365 SHP, 4 speed, side exhaust, knockoffs, teak, second owner (bought in 1970), Have ALL numbers matching components. My frame off restoration thread: http://67-72chevytrucks.com/vboard/s...d.php?t=556703

12-02-2013, 07:47 PM	#3
JointTech Registered User Join Date: Feb 2012 Location: Mission Viejo, CA Posts: 1,856	Re: Por15 Without Complete Tear Down how will you por that stuff? Por works on bare metal. can you grind all the paint off those things while still on the truck? It also has a degreasing process where you have to wash first then apply an etch then you por. seems like a nightmare with it all still on the truck. And if you dont do the por the correct way you might as well just use rattlecan imho. it costs to much and is to nasty to work with to not get the full rust proofing benefits and/or have it peel off later. __________________ 72 C20 Long Bed SB350 TH400 14 bolt rear end Extremely boring build thread

12-02-2013, 07:57 PM	#4
notahybrid Registered User Join Date: Mar 2007 Location: Chesapeake, Virginia Posts: 39	Re: Por15 Without Complete Tear Down Used it both ways. Obviously easier to use if the parts are out but not impossible if you are willing to lay on the floor scrape, wire brush, degrease, etc.. then start the POR process. I will say if done right it looks good and lasts.

12-03-2013, 07:49 AM	#5
gysgtc Registered User Join Date: Apr 2010 Location: Sutton, WV Posts: 340	Re: Por15 Without Complete Tear Down I can tell you from experience. POR does not stick well going over existing paint.

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