cbr400dave said:
are all the 420 gsi's a t 16 turbo motor or just a few? i'm a bit confusedi'll have a search the the 800 one in brum, might be worth a punt if the moror & box is ok
There is a 420 normally aspirated and a 420 turbo. Both are the T16 engine, but they are the least common of the turbo'd cars.
The coupe/tomcat is the most common.