However, in race trim they were delivered putting out, which could be improved further to, while still using normally aspirated engine components.
42.
In 1989, turbos were banned and new regulations allowing only naturally aspirated engines up to 3.5 litres were put in their place.
43.
Luyendyk became the first driver since A . J . Foyt to win the race with both a turbocharged and a normally-aspirated engine.
44.
It was the fastest time run here since the Indy Racing League went to the new 4.0 naturally aspirated engines two years ago.
45.
The second modified prototype with normally aspirated engines first flew in April 1974 and was followed by a third aircraft with turbocharged engines.
46.
An engine intake was mounted behind and above the cockpit, and shrouded an engine bay which could accept multiple naturally aspirated engine designs.
47.
It also swallowed a huge pill of pride when it decided to abandon the turbocharged engine in favor of a normally aspirated engine.
48.
However Capelli and the March 871 did finish 4th in the Colin Chapman Trophy for constructors of cars equipped with naturally aspirated engines.
49.
The chosen engine is the Lycoming TIO 540 AH1A engine, which is a turbocharged version of the currently installed normally aspirated engine ."
50.
Single-seat chassis built by G Force and Dallara will be matched with Oldsmobile Aurora and Nissan Infiniti Indy 4 . 0-liter normally aspirated engines.
