Tom - Bubbles are still there but the new AFCO radiator doesn't have that baffle in it like the oem one that brings all of them bubbles over to the filler neck to MAKE JOE CRAZY! And the NAPA test kit proved that the bubbles weren't from combustion (whew!. And I'll make a new Avatar next week if we have a sunny day (and I can locate that program that produces them). The link below has the best I have at the moment. It's being wet-sanded and buffed as I type this.
Canepa Twin - already tried that - no joy. There was a discussion on here about acoupla 3 years ago that addressed it but I've searched and searched and searched and can't dig up a thing (probably my 'digital ignorance'). I can't even remember the guy's name (CRS) and I haven't seen him posting for a long time but I think he has a shop in Boston or Ma. anyway and I was hoping maybe someone else would remember it or maybe the resident 'Guru', aka WebMaster, might be able to help me pull it up?