The red car (now Tenney's) had a 421, but I don't believe the blue car did. It was not unusual to see '64 GTO's with the Bobcat treatment running mid 13's at over 105. I know from first hand experience as I had to race against a few of them at the drag strip when my car was new. With some massaging I got my 389 down to 13.05 at about 105. I got my 400 down to 12.65 at 109 with a "744" cam and the HO exhaust manifolds.
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