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curious thought


The_buster

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A number of guys have done this on the 07-12 GT500s as well. There seems to be no advantage to putting a larger than stock S/C on in conjunction with the turbos so most leave that part completely alone (not even a smaller pulley).

 

The advantage the compound boost guys tout is the low end response of the S/C with the top end torque of the turbos.

 

Seems though, removing the S/C and only running the turbos is the way to go to produce the largest numbers. Low end grunt generally not being your biggest problem in the GT500 :)

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Compound charging goes back to the 20s, Curtiss experimented with compounded supercharging to maintain engine output at high altitude. This was developed through the 30s, in WW2 many US aircraft used an integral crank-driven supercharger and a remote exhaust gas driven turbo. The turbos were usually bypassed for lower altitudes, with more flow being added to maintain rated power as altitude increased. The B-17 and B-24 bombers used this system, as did the P-38 and P-47 fighters.

 

If you want extreme...the turbo-compound motor: http://en.wikipedia.org/wiki/Turbo-compound_engine

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