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  1. P

    CP3 return test

    Oh i should have mentioned, 'new' as in this engine looks brand new, not sure if its a reco engine or new from gm, it looks like its been ran (maybe tested) but not fitted to a car or anything. The 5sp allison was also brand new, have had it pulled down for upgrades. So I have in the back of...
  2. P

    CP3 return test

    Hi guys, I have a LB7 that Im fitting into another vehicle, the engine is 'new' but has been sitting for a long time (2003 model). The problem I'm having is I cant get rail pressure, I have just done a basic return test and I got 95ml from the main return after 15sec cranking. I then...