In fact, the 231 cubic inch motor had been ... much smaller numbers than the GNX's turbocharged V6, but if we're calling it the rarest Buick engine ever made, that's got to be something packed ...
Though it employed turbocharging and didn't feature a V8, Buick's Grand National series brought back genuine American muscle during the 1980s ...
it was natural to take the engines from one company and bring them over to another. This Buick 231 V6 engine was not a powerhouse by any means. Under the hood of a Firebird, it was only able to ...