I have 3 from different cars in the garage and they are all the same. The reason the turbo spins faster is because it has lower compression.

Dan

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81 240D 4speed with 300D engine
87 560SL
2005 E320
Yukon Denali
Sierra Denali
850 Turbo Volvo
1996 Mustang
1984 Mustang race car
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