Todd's Compound-Boosted Grand National
Words: Tommy Parry It’s an uncommon swap. Not only is this Grand National’s motor both supercharged and turbocharged, the original V6 has been scrapped entirely. Todd ran with the Buick V6 for several years, eventually bumping displacement to a stroked 4.2 liters and enjoying the 600-odd horsepower it provided. However, it lost much of… Continue reading Todd's Compound-Boosted Grand National