I just talked with one of Superior's technical guys in California and he said that the SEM product I mentioned above leaves a pimply finish rather than a grainy finish. He suggested their MIRACLE DASH TEXTURE PARTS A & B. This two part texture has the properties such that if you use A heavier it will widen the ridges and if B is heavier it will widen the rivers. A 4 oz. can of each is $8 and change, so a dash will cost $16-32.
Now the down side: they use this on metal and vinyl covered dashes all the time, but he said he had never used it on fibreglass. So there is a bit of an unknown here. You also have to put a color coat (dye) on it as well.
I think this MDTA & MDTB might have a better chance than your everyday wrinkle coat which is just plain old enamel paint that you purposely do a bad job with. I found that curves that were smooth, like the front edge of the dash, would hardly wrinkle at all (that is why you need heat: so it will setup before it can run off and get thin) and lower spots would wrinkle excessively.
[ December 09, 2002: Message edited by: Lynn Larsen ]