buddy of mine had a 69 r/t 440 t-flite that ran 13.50s back in the early 70s.. ran at bristol tn....tires were street tires of that era...owner was part time ihra tech inspector..regular job physics and chemistry teacher ...needless to say the dude was sharp on racecars..car was a good example of a true ''showroom'' car tuned and driven by an expert....