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Originally Posted by BOYD3800SII

This seems promising, but I am interested in seeing how it compares to the OVERKILL kit and a well setup single turbo kit. Also does anybody know why on the LGX motor that this roots style supercharger estimates to make more horsepower than torque overall? I see that the I4 turbo engine has more torque than horsepower? Soooo would that imply that turbos on these engines are better off?

You’re comparing very different things here. The turbo 4 and the LGX have nothing in common, and the three different kinds of forced induction have very little in common. There are so many factors that determine a torque curve: turbo size, boost pressure, timing, cams, etc. so it’s really hard to say what the specific differences are without a lot more detail. Right now the details are pretty light from Edelbrock other than the fact that it’s a TVS 1750 with a water to air after cooler. In general, a turbo makes more torque down low than a supercharger as turbo boost is based on exhaust pressure vs engine rpm. Again, a lot of variables here and not enough information to actually compare them.