Now, that being said.. drag racers for years have used a belt driven vacuum pump to pull upwards of 20inches of vac on the engine at high rpm (non dry sump engines)
GT3 = dry sump
9X6 = wet sump
9X7 = wet sump
Want to run a breather can? Go to a belt driven vac pump and adjust the suction side of the pump so it does not pull too much vac on the engine causing seals to collapse.
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