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W211 AMG Discuss the W211 AMG's such as the E55 and the E63

Pulley sizes/Real HP gain?

     
Old Oct 26, 2014 | 08:55 AM
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2005 E55 amg
Pulley sizes/Real HP gain?
Please, need to know more about pulley sizes/WHP gain. Need Fact please, not Fiction.


1. Small s/c pulley power gain
2. 84mm pulley power gain
3. 80mm pulley power gain
4. 77mm pulley power gain
5. Are all 77mm, 80mm, 84mm pulleys clutchless, if not, which sizes are available as clutched ?
All tuned.

Will appreciate all facts. Thanks!
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Old Oct 26, 2014 | 09:21 AM
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The smallest clutched is 84mm, then there's also an 84mm clutchless , others that are smaller are clutchless only

As far as gains every car and dyno will be diff, it all depends
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Old Oct 26, 2014 | 09:31 AM
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pulley size comparison chart


https://mbworld.org/forums/w211-amg/...alculator.html
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Old Oct 26, 2014 | 09:32 AM
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That will say boost not whp
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Old Oct 26, 2014 | 09:52 AM
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Originally Posted by Hulk
The smallest clutched is 84mm, then there's also an 84mm clutchless , others that are smaller are clutchless only

As far as gains every car and dyno will be diff, it all depends


So, does the 84mm clutched pulley and 84mm clutchless pulley have the same power gain, besides the instant power gain of the clutchless over the clutched pulley?
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Old Oct 26, 2014 | 09:55 AM
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Yes since they will spin the blower at the same speed
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