Hennessey pilots a bone stock C7 to 12.23@114

Turbocharged400sbc

3800 & 4T80E > ALL
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Jun 16, 2007
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hangover park IL
Id think big gains for tuning the C7 even in stock form. Id hope.

i can see a little but i honestly doubt they cut back power at WOT since the CAFE drive cycle never goes to wot.

id bet a tune would unlock lots of power "below the curve" as thats the one spot that helps the fleet mpg ratings

not much is "overbuilt" nowadays when the bean counters are looking for pennies
 

Lead Pipe

TCG Sub-par Member
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Nov 4, 2010
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Everybody dogs magazine times but they typically get better than real world results.

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