4. CHECK YOUR FLUIDS
Models: CT4-V Blackwing, CT5-V Blackwing
Be sure to follow all service procedures before driving your Blackwing on the track or competitively.
Engine Oil
CT4-V Blackwing:
dexos1Gen3 5w-30
CT5-V Blackwing
dexosR 0w-40
(Currently only Mobil 1 Supercar)
Check the oil level and keep it at or near
the upper mark that shows the proper
operating range on the engine oil dipstick.
Often (before, during and after every
track event or competitive driving
session)
Please note: If you use the vehicle for racing or
other competitive driving, the engine may use
more oil than it would with normal use. Low oil
levels can damage the engine. Be sure to check the
oil level often during racing or other competitive
driving and keep the level at or near the upper
mark that shows the proper operating range on the
engine oil dipstick.
Automatic Transmission Fluid –
CT4V-Blackwing and CT5-V
Blackwing (DEXRON® ULV
Automatic
Transmission Fluid)
Change after track usage.
For track events or competitive driving, it is
recommended that the brake fluid be
replaced with a high-performance brake
fluid that has a dry boiling point greater than
>310° C (590° F). After conversion to the
high-performance brake fluid, follow the
brake fluid service recommendations
outlined by the fluid manufacturer. Do not
use silicone or DOT-5 brake fluids.
Before every track event or competitive
driving session
Rear Differential Fluid
CT5-V Blackwing
SAE 75W-85
API GL5
AC Delco 19418501
Change after 1,500 miles prior to first track
event.
Change every 24 track hours
Please note: Chevrolet recommends the use of TOP TIER
TM
Detergent Gasoline to keep the engine cleaner and reduce engine deposits. Visit www.toptiergas.com for a list of TOP TIER
Detergent Gasoline marketers. Use premium unleaded gasoline meeting ASTM specification D4814 with a posted octane rating of 93. If unavailable, unleaded gasoline with a posted
octane rating of 91 may be used but with reduced performance and fuel economy.
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