Most stock LS1's won't run 13.1 LS1Jay. The ones I've seen at HRP usually run 13.5-13.7 @ about 103-104. Don't get me wrong, they're really quick for stock Detroit iorn, but I've never seen a stock LS1 run 13.1. I don't doubt that your's does, just that most don't. Again, not questioning your car's performance. Just noting my limited observations.
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'66 Coupe, 306, 300 HP, C-4, 13.97 e.t., 100.3 mph
1/4 mi.
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