Another new Z getting a spanking

svt1111

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Jun 23, 2009
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970
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MA
Nice races!

The Gen 4 Vipers work really well. Mine picked up 75 lb ft of torque between 3800 rpm and 4800 rpm, which really demonstrates how effective the VVT is in allowing these motors to breath.

I'd like to do a full exhaust and tune on mine someday.
 

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