there are (2) "center sump" 360 pans that I have had, a "392" & an "876". the sumps ain't exactly centered but these pass car pans are both referred to as center sump pans. both have a sump that is ~8" long (front to rear) but the 392 sump starts ~4" from a plumb line in effect straight down vertical from the very front pan metal lip and the 876, the sump starts ~2" from the lip. the 876 takes a pickup with a long smooth angled bend to reach further forward to reach, somewhat centered in the sump and the 392 takes a pickup with an almost a right angle bend. for sure the 392 pan clears the rear edge of the kmember, no exp with the 876. When I posted this info prior someone posted an aftermarket pan that will fit & it might be the Mancini one referred to above. If you have an 876 you could likely figure it out with some carefull measureing (the rear kmember edge is the critical point) but I'm inclined to think no on the 876. I dont remember exactly how close the 392 pan was to the kmember lip on my 65 360 dart before I parted it out
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