RPi Engineering - V8 Engines The R380 (top photo) is a suburb transmission and should have no problems with power outputs well above 300bhp, and, as you can see, in terms of fitment is the same as the LT77 (bottom photo), making the conversion very simple, and the ideal choice for your Rover V8 application, with the additional advantage of the short Remote or std. remote fitment. BritishV8 Forum: Rover V8 Auto transmission options Apr 16, 2013Someone else will have to answer your questions about later model automatics. Rover installed many tens of thousands of Borg Warner 35 automatic transmissions behind the Rover V8. I expect a "wanted" ad in our classified section might help you source one of those from someone who has switched to a stickshift.