Best Single turbo for drag racing? HELP

What I was saying is go with a 64/74. I run it on my truck and I like it. With a CR it will spool pretty quick and the 74 wheel will pull really hard on the top end.
 
I have tried a lot of different combos. I have found that the 64-71.80 is the best charger for a driver and the track. It seemed to push more air than the 66.

Wait bigger is not better? That can't be right :rules:LOL
 
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