Speedmaster vs trick flow

MidnightSwinger said
Their website is written by Chinese bots. All the SM heads are oil through heads, and you can oil through pushrods if you need to(magnum). They are a direct copy of the Edelbrock performer LA head.
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This is 100 percent correct.
69conv said
@GGress Do you know which model you have?
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ALL Speedmaster Aluminum small block Mopar heads ARE OIL THROUGH!!!! No matter what their description is!!!

The iron magnum heads are not oil through.