Originally Posted by R/T1968R/T
I thought the HP engines / engines that came on an R/T were stamped with an "S" PT440S special and the 350 horse got the "P"


good catch iagree pics would help work PT440P = 350hp & NO "HP" or VIN stamp and PT440S = 375hp & both "HP" & VIN stampings

the partial VIN A314791 would've been from an early June '68 "scheduled" Coronet R/T or GTX