I know that Marine Tex is the reported best to repair the fuel wells on a Thermoquad but I found they have quick set version and was wondering if any body has used it?

http://www.amazon.com/Marine-Tex-Rapid-Set-2-Ounce/dp/B000Y8A06C/ref=pd_bxgy_sg_img_y

1973 Charger, former SE, former auto

I'm not trying to be difficult, it comes naturally....