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0506htp Fresh 09 Z

Here's the test subject: a 119,000-mile, nearly untouched LT1. It runs better than it looks, putting down 236/280 on the dyno.
LT1 - High Mileage - Old School

 Here's the test subject: a 119,000-mile, nearly untouched LT1. It runs better than it looks, putting down 236/280 on the dyno.  View Related Article

 

 

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