Posted By: 5carguy
Oil wt. in rebuilt 340 ? - 03/23/18 11:20 PM
71 340 engine.Started on a run stand and oil pressure at 2000-2500 rpm was 100 lbs.Engine totally rebuilt,all bearings within specs.Oil used was Pennzoil 20-50.If I went with 5-30 would that bring the pressure down? Thanks in advance