Thread: Cossie plenum spacer
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Old Feb 11, 2020 | 09:02 PM
  #6  
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Caddyshack
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From: Guildford
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Originally Posted by Mark Shead
I had one on Rods older spec Not needed under 700hp. Above it on a larger capacity engine the larger volume plenum helps with power.
I did wonder if it might be a big power thing.
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