Motor Oil Capacity

I was wondering if anyone could tell me the factory specified motor oil capacity for a 3.0 liter engine with an auxillary fender mounted oil cooler? (The engine is on my 74 so all my printed material references a 2.7)

Thanks
Dan


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Dan Shust
74 Carrera

With the system totally empty 13qts but when changing your oil a little over 12qts

Dan and Jim:

I would err on the side of caution; until you add at least 11 quarts frist, then bring the car up to temperature (180 degrees F.), and then check the dipstick in the engine compartment. The 3.0 does take a total of 13 quarts with lines and cooler, but at least 1-1/2 of those never come out of the sump and the oil tank when you drain. They stay in the lines and the cooler up front.

Thus, I would suggest that you add 11 quarts, check the dipstick, and add as much as you need to bring it up to the top hash-mark. Overfilling will merely blow it out through the overflow, into the airbox, and thus enrichen your air-fuel mix, and blacken your exhaust. Not an elegant engineering solution, at all.......Andras

Andras, I thought you were supposed to get the oil level half way between the top and bottom hash marks on the dip stick in order to keep the oil from spilling over into the breather hose and into the air box.

Leland:

Normally this is true, but if your engine is already at "normal operating" temperature, then oil to the the top hash mark will not expand much more (unless you keep getting hotter and hotter, as on the track or under some other load), and therefore will not over-expand into your air box.

By the way, notice that as you accelerate, your oil tank gauge goes down, indicating that the pumps are doing their job in scavenging from the sump and the tank, and keeping all that nice oil flowing as it was designed.

And since I don't sit idling too much (more fun to drive it), an overexpanding oil capacity is never a problem.......Andras