Todd’s Compound-Boosted Grand National

Click Here to Begin Slideshow 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!

Todd's Compound-Boosted Grand National

Click Here to Begin Slideshow

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!

Todd's Compound-Boosted Grand National 1

Todd's Compound-Boosted Grand National 2

Todd's Compound-Boosted Grand National 3

Todd's Compound-Boosted Grand National 4

Todd's Compound-Boosted Grand National 5

Todd's Compound-Boosted Grand National 6

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About Tommy Parry 115 Articles
Tommy Parry has been racing and writing about racing cars for the past seven years. As an automotive enthusiast from a young age, Tommy worked jobs revolving around cars throughout high school and tried his hand on the race track on his twentieth birthday. After winning his first outdoor kart race, he began working as an apprentice mechanic to amateur racers in the Bay Area to sharpen his mechanical understanding. He has worked as a trackday instructor and automotive writer since 2012 and continues to race karts, formula cars, sedans and rally cars in the San Francisco region.

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