Rover V8 vs Lexus V8 Dimensions

Modern V8's are getting smaller and more powerful. The Lexus V8 is growing in popularity among builders and with the good old fashioned Rover V8 getting a little long in the tooth, is it a serious contender?

Rover V8 Dimensions

There are numerous Rover V8 dimensions published on the web. I measured my engine with micrometers and most are somewhat wrong or misleading.