[pickleboy]

i myself have not done a frame yet but this is what i think might be the problem. if you are getting spottingafter you try to polish all the anodize/clearcoat may not have been removed. as for the different coloring of the parts as u stripped them there is going to be a differenc between cast and tube parts. the ovals and circles are most likely dimples in the alum. as for sanding it is pretty much required. i would start at 320 and see how it goes if the alum spots go away then proceed to at least 400, if not step back to 240. if the sanding is done properly you should not need sisal at all but use spiral and black. as for the tight spots you may have to use a dremel or small felt bobs w/ a drill. if possible post some picks and we can see the problem first hand. there is a ton of expertise on this forum so stay with us. if you cant post pics send them to me in a email it should be on my profile. and lastly best of luck.