POR-15 Application Guidance
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Joined: Mar 2011
Posts: 61
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From: White Mountains, NH
POR-15 Application Guidance
Fact: My truck is old and is starting to develop issues with rust.
Fact: I keep doing little bits and pieces of work on it, last year it was a muffler, fuel filler neck, track bar, and rear shocks. This year it is front shocks, rear door drivers side, and some rust on the sills and bottoms of the front doors.
My plan for the sills and bottoms of the front doors is to wire brush, then scotch-brite, then use a prep cleaner, then hit it with POR-15 brushed on. Then, as I do every year, have the chassis oiled.
However, since I am going to be taking the shock towers out to do the shock replacement anyway, I was thinking about cleaning them up and slapping some POR-15 on them as well. This got me to thinking about the proximity of the shock towers to the exhaust manifold and begs the question of... if I plan to POR-15 every part I take out of the truck and put back in from this point forward, where should I put it and where shouldn't I. The heat rating provided by POR-15 is 450°F. Is there any place I shouldn't use it aside from the block and headers?
Long term plan is going to be to strip the cab, clean it up, POR15 the floor and sides, then do a bedliner floor and do the exterior (haven't decided between doing the whole truck or just up to the crease in the sides). This means lots of POR-15 and bedliner by exhaust components.
Edit: Also, any thoughts about POR-15 on the inside of doors? Methods of application, suggestions, etc?
Fact: I keep doing little bits and pieces of work on it, last year it was a muffler, fuel filler neck, track bar, and rear shocks. This year it is front shocks, rear door drivers side, and some rust on the sills and bottoms of the front doors.
My plan for the sills and bottoms of the front doors is to wire brush, then scotch-brite, then use a prep cleaner, then hit it with POR-15 brushed on. Then, as I do every year, have the chassis oiled.
However, since I am going to be taking the shock towers out to do the shock replacement anyway, I was thinking about cleaning them up and slapping some POR-15 on them as well. This got me to thinking about the proximity of the shock towers to the exhaust manifold and begs the question of... if I plan to POR-15 every part I take out of the truck and put back in from this point forward, where should I put it and where shouldn't I. The heat rating provided by POR-15 is 450°F. Is there any place I shouldn't use it aside from the block and headers?
Long term plan is going to be to strip the cab, clean it up, POR15 the floor and sides, then do a bedliner floor and do the exterior (haven't decided between doing the whole truck or just up to the crease in the sides). This means lots of POR-15 and bedliner by exhaust components.
Edit: Also, any thoughts about POR-15 on the inside of doors? Methods of application, suggestions, etc?
Administrator
Joined: Apr 2010
Posts: 87,482
Likes: 4,223
From: Clayton MI
I think if you just keep it off parts that get REALLY hot, you should be fine.
I plan to do the inside my my replacement doors with POR-15, when I get around to it.... Biggest thing is, when you are done, make sure the drain holes are clear. (bottom of the door)
If you strip everything out of the door to clean them up, and treat them, there is plenty of room to get in there with a brush. Or, I think there are instructions on there for thinning it enough to shoot it with a gun as well?
I plan to do the inside my my replacement doors with POR-15, when I get around to it.... Biggest thing is, when you are done, make sure the drain holes are clear. (bottom of the door)
If you strip everything out of the door to clean them up, and treat them, there is plenty of room to get in there with a brush. Or, I think there are instructions on there for thinning it enough to shoot it with a gun as well?
Champion
Joined: Oct 2009
Posts: 4,717
Likes: 10
From: N/A
What he said and: Most body supply shops can make you up a aerosol can with POR-15 in it, then just spray it for inside the doors. POR-15 takes better to brushing on mind you, it lays flat very well with a brush. I have some by my exhaust and it seems to by handling it well, no flaking or peeling so far.
