Ive ask you this question a couple times before with no answer. What do you have done to you lt to make it 265r.

I could have sworn I've answered you before.. Ah well,,,,
It's just on the final bore. It's either a 262 or 265. I'm not too sure. I claim 265 cause its a nice round number. There's more to it then the bore but that's where the extra 12-15cc's comes from is just the oversize bore.