Todd's Compound-Boosted Grand National
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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 its streetability, and he sought out a factory motor that could provide similar thrust in a civilized fashion.
He found one, along with plenty of other components suited to the unique and ambitious build he had in mind. Check out the full story on Hot Rod Hotline!
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 its streetability, and he sought out a factory motor that could provide similar thrust in a civilized fashion.
He found one, along with plenty of other components suited to the unique and ambitious build he had in mind. Check out the full story on Hot Rod Hotline!

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Guess what Todd, you now simply own a Buick Regal with a drive change. Not worth 2 cents to most. But your car and your money.