It depends, If you drive your vette alot the FRC is more practical and cheaper to maintain, If you drive it little and want a beast for the street then the ZR1 is it 
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best 60ft/ 1/8=60'. 1.67,1/8. 7.48 missed 4th to a 11.83
best mph= 60'.1.86,1/8.7.79...11.93@ 120.97
best 1/4 = 60'.1.79,1/8.7.65... 11.79@119.69
Vararam,Kooks,Shaner TB,160*stat,Drag radials!
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