steeler Posted September 4, 2018 Share Posted September 4, 2018 How do you guys hook up your clear line to the head while checking cups? Do you buy the banjo fittings and just keep a rig for testing? Quote Link to comment Share on other sites More sharing options...
fjh Posted September 4, 2018 Share Posted September 4, 2018 Yup that’s the best way Quote Link to comment Share on other sites More sharing options...
steeler Posted September 4, 2018 Author Share Posted September 4, 2018 What size clear hose is it? Quote Link to comment Share on other sites More sharing options...
fjh Posted September 4, 2018 Share Posted September 4, 2018 Not positive I believe 1/2 inch Quote Link to comment Share on other sites More sharing options...
steeler Posted September 4, 2018 Author Share Posted September 4, 2018 Ok cool thanks fjh. Quote Link to comment Share on other sites More sharing options...
OJ Avery Posted September 10, 2018 Share Posted September 10, 2018 OTC makes a kit that works great for testing for air...OTC p/n 88800236...I use it often Quote Link to comment Share on other sites More sharing options...
turckster Posted September 13, 2018 Share Posted September 13, 2018 (edited) 99.9% of the time I just look in the fuel tank at the return tube and check for air coming out. Make sure the plastic cap by the fuel primer pump is not wet and if you have the 7th inejctor w/air purge "T" fitting, remove the air purge line. If, after idling for a while, you still have air in the return pipe you most likely have leaking cup(s). Rarely have I ever used the clear line kit. Yes, I got bit once. The 7th injector "T" fitting was bad and air was getting back into the fuel system from there. Edited September 13, 2018 by turckster 2 Quote Link to comment Share on other sites More sharing options...
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