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I'd suggest changing the oil asap. Then eliminate the oil cooler as a possibility by looping the coolant lines from the radiator to the water pump. If the cooler leaks oil and there isn't any more signs of coolant in the oil, you should be ok. As for the motor barely turning, I would pull the plugs to see if ther is any water/coolant in the cylinders. CRank it without the plugs in it and see how it turns over and if anything foreign comes out of the spark plug holes. Just make sure that you unplug the injectors or pull the fuse for the f/p so you don't was the rings out with fuel (cause you to loose compression). If coolant is pressent, then you're looking at replacing the head gaskets.
Have you checked to see if the fuel regulator was ruptured? I've seen them dump so much raw fuel into the cylinders that it can cause simular symtoms. Then again, that won't cause oil in the water.
Last edited by Formula WS6; Jun 24, 2007 at 12:41 AM.
And like the other Formula said, enough gas can get pushed into the crank case, but if you think it's water, it's a fair bet it is.
If its been that way for awhile, water will start to cease internal parts very quickly.
If the car doesn't/hasn't seen much driving and the leak is recent, it might not be that bad.
So I look at it this way, what do you have to lose?
For the first oil change, run 10W40 and 10W30. 2-3 quarts of each.
The thicker oil will be better for the seals/gaskets and help revive the important things like lifters, crank bearings, etc...
(its just a tiny thicker then 10W-30 and won't do anything to a SB 350)
In fact, high mileage Gen 1 350's run 10W-40 to extend thier life.
Thats the route I would go.
There is a chance that nothing has been difinively damaged yet.
And if it has, either way you have to rebuild the motor anyways so might as well do the best you can for it and go from there.
I would also recommend driving the car easy for a couple hundred miles with the half and half 10W-40/10W-30 mix to really help lubricate them motor as good as possible.
If there are no major ticks, knocks, rattles or noises after a couple hundred miles you might just luck out.
If its been that way for awhile, water will start to cease internal parts very quickly.
If the car doesn't/hasn't seen much driving and the leak is recent, it might not be that bad.
So I look at it this way, what do you have to lose?
For the first oil change, run 10W40 and 10W30. 2-3 quarts of each.
The thicker oil will be better for the seals/gaskets and help revive the important things like lifters, crank bearings, etc...
(its just a tiny thicker then 10W-30 and won't do anything to a SB 350)
In fact, high mileage Gen 1 350's run 10W-40 to extend thier life.
Thats the route I would go.
There is a chance that nothing has been difinively damaged yet.
And if it has, either way you have to rebuild the motor anyways so might as well do the best you can for it and go from there.
I would also recommend driving the car easy for a couple hundred miles with the half and half 10W-40/10W-30 mix to really help lubricate them motor as good as possible.
If there are no major ticks, knocks, rattles or noises after a couple hundred miles you might just luck out.


