Originally Posted by
hustler777
The 5.5 was the gx series, which came in 3, 5, and 7 port configurations and was paired with the 2072 pipe. A few are still being used today, especially in my area. Not the best of fuel milage but certainly enough power for any condition.
We always got great milage out of the tank on the 5,5 . It will depend on many factors however.
The modified gen 5 was one of the quickest engiens id ever seen, its what i based the MG on .. I remember modding one for Brendan Mock from Mock Motorsports in Vic and he was impressed.