1979 Formula Firebird 6.6liter 17K mile survivor..

[GTO_DON]

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: bkhpah</div><div class="ubbcode-body">Its a 403, from what I have researched that engine was also referred to as the 6.6 Litre. The T/A 6.6 was the stick 400 car.. </div></div>That's correct. On a trans am when the shaker says 6.6 litre it's equipped with the olds engine and when the shaker says T/A 6.6 it's the pontiac engine.