Thread: rebuilt cossie engine help!
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Old Jul 6, 2011 | 01:37 PM
  #20  
Stu @ M Developments's Avatar
Stu @ M Developments
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From: Blackpool, UK Destination: Rev limiter
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Originally Posted by Deano
Really ? Mine was never open on tickover I wonder why !
Are you sure? If it didnt open when you lift your foot, it would never operate and release the boost. Are you sure yours wasnt a twin piston one and just the secondary piston was closed?
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