Re: New Horse Power Ratings
Stock Horsepower Changes
Complete for 1st half rating period of 2011
Engine OEM NHRA New
Make CID HP HP HP Years Affected
Mopar 370 385-390 404 413 09-10 Drag Pak
Mopar 392 375 399 408 10 Drag Pak
Mopar 512 450 450 456 11 Drag Pak
Ford 330 425 445 451 08 Cobra Jet
Ford 330 425 469 475 08 Cobra Jet manual only
Ford 330 435 464 470 10 Cobra Jet
Ford 428 335 389 394 68-70 Mustang auto only
Ford 428 355 372 377 67 Mustang
Super Stock Horsepower Changes
Complete for 1st half rating period of 2011
Engine OEM NHRA
Make CID HP HP New HP Years Affected
Chev 350 247 279 285 90 GT only
Ford 428 335 350 354 68-70 Mustang
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