RMS in a 68 Barracuda, oil pan problems

We ran TTI headers on our W5 using the Milodon pan you showed (this was back in our stock K days)... they cleared the kickout of the Milodon pan so I can't see where they wouldn't work with a truck pan that has no kickout to speak of. Finding one at the boneyard might be a trick.... that stuff just isn't laying around like it used to.