Chevrolet 2011 Corvette Owner's Manual page 303

See Engine Compartment Overview
on page 10 10 for the location of the
external engine oil tank and fill cap.
Add enough oil to put the level
somewhere in the proper operating
range. Push the dipstick all the way
back into the oil tank when through.
Changing Engine Oil and Filter
(ZO6, ZR1, and Grand Sport)
These vehicles have a
racetrack ready dry sump
engine lubrication system.
This high performance system
operates differently than a standard
engine lubrication system and
requires a special procedure when
changing the engine oil and filter.
Follow this procedure closely when
changing the engine oil and filter.
ZO6 Shown, ZR1 and Grand Sport
Similar
A. Engine Oil Drain Plugs
B. Seals
1. Remove the two engine oil drain
plugs from the bottom of the
engine oil pan. One drain plug
drains the external oil tank
via the oil transfer supply line.
The other drain plug drains
residual oil from the crankcase
sump. Allow the oil to drain.
Vehicle Care
2. Once the oil has been drained
from the engine, remove the
engine oil filter and allow the
oil to drain.
3. Re install both drain plugs and
tighten them to 2
4. Replace the oil filter and
tighten it to 30 (22 lb ft).
See Maintenance Replacement
Parts on page 11 8 for the
correct filter.
5. Oil is filled through the opening
in the top of the external engine
oil tank. Remove the oil fill cap.
6. Add 9.9 L (10.5 quarts) of oil to
the oil tank. See Capacities and
Specifications on page 12 2.
7. Install the oil fill cap and insert
the dipstick, if removed.
10-19
(18 lb ft).