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Old Jan 16, 2013 | 09:31 PM
  #10  
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Rod-Tarry
Happily retired
 
Joined: Nov 2006
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From: Hampshire
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if you want one that works at 450 all the three mentioned will be OK.

You ask which is best the Hart is on a different planet & will flow over 850bhp. The RS500 is out of puff around 750bhp.
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