Quote Originally Posted by Chip42 View Post
as I understand it, if you run "to the VTS sheet" you run EXACTLY what's on that list (no more, who cares if you run less) and run the greater of VTS indicated weight +5% OR the STU weight +5%. this is NOT well explained for turbos because without an TIR, there's no "STU" weight.

what's your turbo's inlet ID? you could use that I guess. I'd write to the STAC for turbo VTS weight clarification.
No turbo. I was just wondering.