Quote:

There is a different one that has the lug in a different spot a little further away from the block, run into that with the 440 in my old motorhome took it back to the parts house and swapped it for a different year if I remember correct and it worked just fine.



I think the issue here is that the OP is playing with
a BB and yes I had a clearance issue when I was building
mine... no problem on any SB