[carbonBLUE]

Originally Posted by gymratter

yes i am aware. C&D had it at 339hp. some have been higher and others low. yes the dynos from the US Supra and Z4 aren't that different. as i explained earlier the Supra is tuned by Toyota. but that doesn't change the fact that it uses the B58C. maybe @Guff and chime in.

here is a picture of the Supra's engine. it has a two port intake. the B58D in the US Z4 has 6.

https://www.supramkv.com/attachments/image5-jpeg.13312/

from this thread.
https://www.supramkv.com/threads/hav...e.1357/page-48

There is no B58(D) its just B58B across all B58 engine designations. both the supra and zz4 are going to have water cooled exhaust manifolds with the 2 port exhaust flang that connects them