ducky698 Posted July 7, 2011 Share Posted July 7, 2011 Hi everyone, hope all is well. I finally got to drive the Mack last week, the 20spd was fun but I found them all... eventually I went to go start it today because its going down for a dyno tomorrow and it would not start and the fuel has drained back again. it has new fuel lines, the valve in the right side of pump for return line was cleaned and has new o rings. what else could it be?thanks for your help.Grant Quote Link to comment Share on other sites More sharing options...
fjh Posted July 8, 2011 Share Posted July 8, 2011 Hi everyone, hope all is well. I finally got to drive the Mack last week, the 20spd was fun but I found them all... eventually I went to go start it today because its going down for a dyno tomorrow and it would not start and the fuel has drained back again. it has new fuel lines, the valve in the right side of pump for return line was cleaned and has new o rings. what else could it be?thanks for your help.GrantDid you replace all the orings ect on the return line tubes ? Quote Link to comment Share on other sites More sharing options...
ducky698 Posted July 8, 2011 Author Share Posted July 8, 2011 Did you replace all the orings ect on the return line tubes ?Hi, no only the ones in the pump where check valve is.it went on the dyno today, found fuel leaks under load, so will fix those and see what happens.Grant Quote Link to comment Share on other sites More sharing options...
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