tucka786 Posted November 29, 2014 Share Posted November 29, 2014 I'm bench testing an EA81 and have managed to start and run the engine thanks to help from an earlier post requesting help . I can rev the engine fine but I can't maintain an idle so I'm guessing that it's a vacuum problem with one of the pipes . I'm not sure which pipes need to be blocked or if it could be something else Link to comment Share on other sites More sharing options...
tucka786 Posted November 29, 2014 Author Share Posted November 29, 2014 I've attached some pics of pipes I'm not sure of Link to comment Share on other sites More sharing options...
tucka786 Posted November 29, 2014 Author Share Posted November 29, 2014 hose from intake Link to comment Share on other sites More sharing options...
tucka786 Posted November 29, 2014 Author Share Posted November 29, 2014 Pipe from intake Link to comment Share on other sites More sharing options...
tucka786 Posted November 29, 2014 Author Share Posted November 29, 2014 (edited) Does this need to be connected for engine bench test ? Edited November 29, 2014 by tucka786 Link to comment Share on other sites More sharing options...
kgrove56 Posted November 29, 2014 Share Posted November 29, 2014 one way to find a vacuum leak is to take a standard propane torch turn the gas on but do not light way it near the suspected leak area and the engine speed will increase when it draws in the propane Link to comment Share on other sites More sharing options...
Gloyale Posted November 29, 2014 Share Posted November 29, 2014 The one in the first pic is vac for the Power Brakes. It definately should be plugged for test. Link to comment Share on other sites More sharing options...
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