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Boyd Coddinton fender finish


Ferd/289

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I was watching the Boyd Coddinton show where they prep the car surfaces by first sanding to bare metal, then etch primer, then it looks like they completely cover the car surfaces with what looks like a 'thinned' bondo covering, before final sanding down again. I guess they use the bondo as a last phase filler before paint. Is this correct. I have also seen this done on motorcycle tins. If the bondo is thined, how is that done? How do you get the right consistancy.

Ferd :o

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Don't know if this is the same as the "honey", but I've used Evercoat's filler mixed with some polyester resin/catalyst from Home Depot. I got this from some online autopainter's bulletin board. They called it "slurry'". Sanding non-mixed filler was easier tho.

Owen

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First let me start out by saying that I'm not an expert body guy, so these are IMOs and observations.

 

I think the viscosity or thickness is proportunate to the ability to knock it down with sandpaper.

 

Example; Bonod is about like bread dough or peanut butter and, is harder to sand down. Where as cream fillers like Feather Coat, are more like pancake batter or yogert and will sand out much easier.

 

So the thinner your filler, the better they tend to spread on, and then blend out.

 

As far as thinning or cutting them, as long as you're using a polyurethane bassed product (resin type) styrene or monomer additave will thin it out to a desired consistancy.

 

If I'm way off here, perhaps an autobody pro will chime in to correct me.

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Hi Ernie,

 

I have a question: If the filler that is layered over, say fiberglass, shrinks, will the imperfections be truly noticeable? How bad could they be? I'm wondering if one could then fill over the imperfections and end up with a failr good end result? Just curious.

 

Davy

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Hi RacerX, How bout Z chrome by clausen? Hey, with a name like that it has to be good. Here's a link to the ebay mustang that Rad rods by Troy did. They talk about "Honey" what are they mixing with it? I just sparyed the Z chrome on a 31 model A today and I'll let it sit a week or so and see how it sands.

 

 

 

 

 

http://66.139.75.240/story5-1.html

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I guess the even the high dollar cars use this topcoat of bondo/evercoat or whatever with resin to smooth out all the little imperfections over old painted surface and bare metal. This saves much time but is not as exotic as true total body sheet metal work which few including me know how to do today. I am curious if anyone out there has a customized HybridZ with all metal body.

Ferd :?:

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I guess the even the high dollar cars use this topcoat of bondo/evercoat or whatever with resin to smooth out all the little imperfections over old painted surface and bare metal. This saves much time but is not as exotic as true total body sheet metal work which few including me know how to do today. I am curious if anyone out there has a customized HybridZ with all metal body.

Ferd :?:

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I guess the even the high dollar cars use this topcoat of bondo/evercoat or whatever with resin to smooth out all the little imperfections over old painted surface and bare metal. This saves much time but is not as exotic as true total body sheet metal work which few including me know how to do today. I am curious if anyone out there has a customized HybridZ with all metal body.

Ferd

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Racerx,,You bring up a good point. I guess you can consider primer's including high-build's, a type of 'plastic' covering. I have reading up on automotive metal finishing and I guess its a lost art save for the few who still make a living pounding out new replacement fenders and body parts for classic and custom cars. Marcel and family in southern Cal. comes to mind. These folks use english wheels, plannishers, pounding bags, Yoder's etc. and use steel and aluminum. Plastic is good in that it saves a lot of time and it looks basically the same as an all metal replacement. All metal is to me still more exotic, and still has its place in areas like racing, ie Nascar, F1 etc. I would be happy being considered a good plastic body repairer ( which I am not, but working on it). BTW, lots of stuff I have learned has been from you on this URL..thanks much.

Ferd

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Hi Ernie' date='

 

I have a question: If the filler that is layered over, say fiberglass, shrinks, will the imperfections be truly noticeable? How bad could they be? I'm wondering if one could then fill over the imperfections and end up with a failr good end result? Just curious.

 

Davy[/quote']

 

I've done this to the underside of my glass hood am curious to know the answer. How long before you notice any shrinking?

 

Also, if the filler is painted over with base/clear, I assume that will slow down the shrinkage.

 

Owen

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