7. Tuner Category - Oil/Lubrication

In addition to everything you can do in Sport Category, now you can change oil pans, oil pickups, differential covers, and add fluid coolers for oil and transmission coolers.

Tuner Category Oil/Lubrication - Full Rules

1. Oil pans, oil-pan baffles, windage trays, oil pickups and differential covers may be modified or substituted with the following restrictions:

A. Addition or modification of crankshaft scrapers is not allowed.

2. Engine oil, transmission fluid, differential fluid and power steering fluid coolers may be added or substituted (including oil to coolant heat exchangers), but may not serve any additional purpose.

3. Oil accumulators and associated hardware may be installed given it serves no other purpose. If any portion of the oiling system is inside the driver compartment, the vehicle and driver must meet safety level 2 standards at a minimum.

Sport Category Oil/Lubrication - Full Rules

1. Any oil filter may be added if not originally equipped. Canister-type oil filters may be replaced with a spin-on type filter using a minimum amount of hardware and connecting lines.

2. Any oil or grease, including synthetic, is permitted.

3. Coolers and lines may be added for lubricating and hydraulic-type fluids (i.e. not fuel).

4. The installation of oil catch tanks or oil separators is allowed provided the function of the PCV system remains intact.

5. Cars with combustion chamber oil injection systems (such as those in rotary engines) may supplement the standard engine lubrication with additional oil supplied through the standard fuel delivery system.