Quote:
Originally Posted by Todd Gross
NHRA Stock Car Qualification Has the 378 SC @ 700 HP as SS only and the 392 @ 450 HP in Stock and SS ( auto only )...as of today anyway.
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Rated at that much horsepower it could only be legal in Superstock and meet the SFI25.5 cage specification based on the weight breaks. SFI25.5 7.5 second cage has a maximum permitted weight of 3,600LBS, in FS/AA the current weight break is 5.5 so once any combination is rated over 623hp the car would have to weight over 3,600LBS to compete in stock, but then it wouldn't meet it's cage requirements. It's the same reason the 630hp version of the supercharged 350 COPO's is only legal in superstock while the 600hp version can run in stock.