What should the normal operating oil pressure be for a 91 OMC cobra 4.3l. I have noticed mine stays at 40psi while idling, while cruising at 3400 rpm the oil pressure jumps to 60psi and at WOT the pressure gets to 80psi. I am trying to figure out if that is normal. I checked the oil level and...
91 4.3L OMC cobra, has been running fine for past few weeks. I noticed today when I went to "gun it" to pull up a skier the motor immediately died. I was able to re-start without issue but it died again when I tried to "gun it" a 2nd time. I tried increasing the throttle faster than normal but...
I have a 91 OMC 4.3 L GM motor that I am having problems tuning. I pulled all the plugs and one side is burning normal and the other is carbon covered. I have checked the timing and can't get it to 6BTDC which is what my manual calls for, it is stuck at 2BTDC and whenever I move the distributor...
