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Old 11-22-2004, 03:21 PM
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928fan4life
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Default roots M90

will a roots M90 supercharger work for my porsche?
Old 11-22-2004, 03:34 PM
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mspiegle
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well... theoretically, any supercharger could work on any car... you would need a manifold for the M90 to mate it to the car. If its the '80 you want to put it on, you should wait for andy to finish up the positive displacement 16-valve setup. Also, you'd probably want to use an m112 instead of an m90... they can be had for a few hundred on ebay and are capable of more power output.
Old 11-22-2004, 03:47 PM
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PorKen
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Originally Posted by GoRideSno
A very simple way of sizing blowers is a ratio of the amount of HP they can potentially make compared to the HP the engine has already.
For instance the 2300 AX can make 750 HP, the OBs have around 230 HP so the ratio is over 3:1 or a 200% increase. A 50% increase is reasonable and a 100% increase is very possible. The smaller the engine, the smaller the blower it needs to make the same % increase as a bigger motor.
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