Which is the right oil filter for 1988 454

[rmm]

"I have been using a Napa 1515

"I have been using a Napa 1515, but in just looking it up between Sierra and Napa getting two different answers. Sierra I get a 18-786

One shows a 13/16-16 thread and the other 3/4-16 thread. This is for the remote filter style."

 

[ezstriper]

they use a std long ford type

they use a std long ford type filter motorcraft fl-1 or eq.