Can anyone tell me if this BB pan is a 31420 or 31470? It's an older one, but need to make sure the drag link tube location is correct for the '66-up chassis. The earlier ones are located further to the rear. To me, this looks like a 31420 for the early chassis, but can anyone confirm?

SS pan.jpg

CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax