We have some results of air flow on Duramax heads. Teaming up with DTS to see what several popular Duramax heads flow. This test is not a power chart, it is simply cfm.
Heads tested:
Stock head/stock valves
Stock head/Wagler ported/stock valves
Stock head/DTS ported/stock valves
Stock head/So Cal Diesel/ bigger valves
Wagler cast iron/ported/ bigger valves
Heads tested:
Stock head/stock valves
Stock head/Wagler ported/stock valves
Stock head/DTS ported/stock valves
Stock head/So Cal Diesel/ bigger valves
Wagler cast iron/ported/ bigger valves
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