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XJ XJ6 / XJR6 ( X300 ) 1995-1997

What RPM does Eaton M90 spin on XJR6?

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Old 04-19-2017 | 10:29 PM
al_roethlisberger's Avatar
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Question What RPM does Eaton M90 spin on XJR6?
I guess I can go outside and measure the upper and lower pulley to estimate, but thought I'd ask if anyone knows off-hand what RPM the Eaton M90 supercharger spins at maximum engine RPM with stock pulleys?

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Old 04-20-2017 | 03:52 AM
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Enough to absorb about 80 bhp according to one source...
I find that hard to believe, having had cars with 40-50bhp that can wind up to 90mph.
 
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Old 04-20-2017 | 04:51 AM
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SC drive ratio in 2.5:1

based on the Jaguar technical guide, see attachment
 
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