Front Fenders Paint/Undercoat

B

Broncomt

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• Oct 23, 2018

• #1

I decided to restore my 1970 front fenders in spite of some rust pitting and the fact that I'm more of a mechanic than a bodyman. In spite of the lack of talent, I have gotten one fender in really good shape. I have some rust underneath that doesn't want to disappear. Should I use some POR-15 on it then paint? Then what should I use for undercoating and should I do that before remounting them. Thanks for all the help. I'll get my contributor status soon and post some pics.


Thanks, Gary

 

bronkenn

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Bronco Guy

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• Oct 23, 2018

• #2

The POR15 will work good for the rusty parts. You can put a top coat on it if you want but it doesn't need it. The biggest thing with the paint over rust products is to follow the prep instructions. I have been using POR for 20 years and when done properly it will last. It would be easier to do before mounting them back on. Ken
.

 

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Broncomt

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• Oct 23, 2018

• #3

Thanks Ken, I appreciate the info.
Gary

 

sprdv1

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REBEL

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• Oct 24, 2018

• #4

What he said.. Good luck

Look forward to the pics

 

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Broncomt

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• Oct 24, 2018

• #5

Any recommendation for undercoating?

 

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wsager

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• Oct 24, 2018

• #6

Ospho works well to convert the rust before paint.

 

bronkenn

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• Oct 24, 2018

• #7

Broncomt said:

Any recommendation for undercoating?

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You won't need any undercoating with the POR.

 

M

markw

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• Oct 24, 2018

• #8

I've used 3M undercoating with good results.

 

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Broncomt

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• Oct 25, 2018

• #9

Thanks for all the responses. I'll forge forward.

 

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rusty2078

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Sherwood Park, AB

• Oct 25, 2018

• #10

As far as undercoating goes, I've had good success with Monstaliner on my truck, wife's car, and a buddy of mine did his 60 series land cruiser. I wouldn't worry about trying to tint it to get a colour match, but just shoot over it. UV stable product if you don't top coat it, and thus far has stood up nicely to a couple of Canadian winters.