The first ‘in-house’ sportscar to use the Rover V8 engine was the MGB. It was introduced in 1973, coinciding badly with the fuel crisis. Arriving late in the MGB’s production cycle, it was beaten to showrooms by Costello’s aftermarket offering.
More at …… https://www.goodwood.com/grr/road/news/8-sportscars-with-a-rover-v8-rumble/
MGB tips mods and maintenance 