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I ordered MAMs thumper kit. I have been looking for some turbo info, just to know more, and came I came across volumetric efficiency. I am trying to figure out what our engine's volumetric efficiency is. does anyone know the volumetric efficiency of our engines in the progeges?

I am now ready to buy a turbo setup. I have been doing some searching and would like to see what people feel about the Thumper kit. I have seen Cwill's videos and am feeling this is probably the best setup out there. I am looking at building my setup to make 350-400 horsepower. Thanks for any...