Quote:
Originally Posted by nachob
A lot has already been said here especially about sizing correctly. Generally, you supercharge for low end, then have big turbos that pick up the boost at higher RPM. The problem is that the 1M uses tiny turbos to reduce lag, so to do it right you would have add the supercharger and go with bigger turbos. There is also not a lot of room. Bigger turbos by themselves would increase lag and probably overwhelm the already iffy charge pipe. Finally, the current tires can barely handle the torque on this monster, so you will have to address that or go to Costco and buy a bulk pack of diapers so you drive this proposed beast without messing up the seat. : )
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Wrong..
In a compound setup the supercharger is for the entire RPM range, it spools the turbo at any RPM. The larger turbo is needed for increased CFM for power and the larger turbine housing is needed to allow for the exhaust gas to flow out you don't restrict the flow with a small turbine housing.
I'm just tryin to give the facts on compound charging.. Too many guys get it wrong.
Also dyno sheets don't tell you anything when it comes to the responce on the road in different gears..They only show you what you will get if you leave it in one gear with the throttle floored..