well i knuckled down to it inbetwwen showers hail & thunder and removed all inlet manafold parts and i think iv found the engine running problems
1 is left hand rubber joining manafolds together is split out of sight right under jubile clip
2 left hand side and right hand side manafol elbows gasket seal has been blowing leaking 
the nice metal gasket was thier but some numpty used silicon seal on them  
 
so dispite geting damp im sure on the way to fixing her
just need to order gaskets 
  
  
  
  
  
  
  
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