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Bill, just curious but would you expect the manifold to produce more HP than ft lbs on a stock ko4 turbo?
I was looking at a few dynos of the jbs ko3 manifold and they all produced more HP than ft lbs which you don't see with the stock manifold. BUT these were all different hybrid ko3 so its hard to tell if its the combination of turbine and compressor pushing the power up the rpm band or if its manifold design
firstly the manifold does'nt make power or torque... the engine does...
mapping and boost delivery determin whats produced. things like manifold facilitate it.