couldn't be tellin you that without knowing every body on the site I haven't used it, but high build sanding primers are useful, just don't expect it to cover previous poor work or make the tedious task of sanding "slick"
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics