Cobra Make, Engine: Shell Valley Cobra Kit -428 Fe Built by Clayton Racing Engines
Posts: 519
Not Ranked
All right Corey and Jerry, Lets see 503 HP out of 281 Cu. In . well if I stroke the 428 to 472 cu. in. at 1.79 HP per cu. in thats 844.88 HP . Look out Warren and Bob here I come. Sounds reasonable ?