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Old 12-14-2004, 01:22 AM
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Question some help with polyester resins!!!

i have a big project for myself ahead of me... i want to try to fabricate a custom dash for my 89 fbody. If all goes well, i might even try to custom make a body kit. Now, from what i know so far, polyester or ester vinyl would be my best bet for a resin. Polyester is cheaper so im going to use that and basic "A" cloth. What i need to know now is what I can use to easily make a mold? I believe it is going to be a male mold and i would prefer something like a clay... something i can just model out with my hands like foam or clay. Does anybody know of a good website or place in the New Jersey area where I can get this stuff for cheap (resins and or clay materials)? How much do you think I will need? Basically, I need a project manager!!! (lol) I have the mind to do this and really believe I can so if anybody has suggestions or wants to help out in some way, advice, experience etc... please do so. Could I find this stuff at home depot? THANKS

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Old 12-14-2004, 04:02 AM
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Check out http://www.fibreglast.com/

Lots of useful info. Watch out for some of the pricing. Once you get a handle on what you want to use, shop around the net and see if you can get it somewhere else cheaper.

If you are truly making a dash from scratch you may want to think about making a frame for it out of aluminum. I am not familiar with the vehicle that you are fitting, but you more than likely will have mounting points that need to be utilized, and a basic configuration that must be adhered to so keep that in mind when planning your adventure. At the very least I would plan on reinforcing the mounting areas with aluminum. Glass does not make for the best grommet for screws and bolts.

My suggestion is that once you have the dash designed, and fabricated to your liking, make a female mold off the plug that you build and offer it up to others. After investing the time and effort into making one for yourself, it is nothing to make a female mold so that you can make more for anyone interested. This makes $$$ for your project and gives back to the "community".

One more thing, once you make a dash (which is an ambitious first project) and get friendly with composites and working with them, you will be more than anxious to get moving on that body kit. But be forewarned that you are going to have to spend a fair amount of money in order to get the tools and material that you are going to need.
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Old 12-14-2004, 04:17 AM
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how my friend's rod shop builds dashes

start with a big block of ridgid urathane foam...

use an electric steak knife to cut the basic shape....

"cheese grater" for more detail....

36 grit for more detail....

polyester filler and sand.

To give it more strength, cut notches in the back, reinforce it with glass and "paint sticks" (for the guages etc.)

Test both the filler and glass on a scrap piece first to be sure they won't react with the foam.

It's pretty easy and fun to make some really wild and crazy parts.

I don't know how much a G body dash adds to the body strength/A pillars/etc., you may want to add steel reinforcing behind/across the new dash.

Last edited by red65mustang; 12-14-2004 at 04:32 AM.
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