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Don is flow testing the exhaust port. Readings were good but he realized that the exhaust extension that is bolted on to simulate a header was pointed right at the console and did affect exhaust flow. Don's brother Paul Johnston took note of the flow test data as Don flowed the port.
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Don is flow testing the exhaust port. Readings were good but he realized that the exhaust extension that is bolted on to simulate a header was pointed right at the console and did affect exhaust flow. Don's brother Paul Johnston took note of the flow test data as Don flowed the port.  View Related Article

 

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