Rebuilt motor out of Komatsu D65 dozer, engine was completely overhaul new pistons liners and heads rebuilt. Injectors were rebuilt as well. Issue is could not get #1 and #6 cylinders to fire up. Bypassed fuel float tank and went direct to filter from tank and put return back to fuel tank top. # 6 cylinder now fires up but still cannot get #1 to spark up. All injector screens and fuel lines have been blown out clean. Does anyone have any insight to what may be causing issues
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