what transmission is this? 1jz*

[Options13]

is this an r154 or a w58?

http://i40.tinypic.com/8y5iww.jpg

[Flicktitty]

R154, the W58 has a casting line going between the two lines that are by the top two bolts for bell housing.
The W58 also has more casting lines in the middle of the trans on the left, the R154 does not.