[SnakeH2]

Originally Posted by f5fstop

Stock 3100 Class:
Tires can be changed, lights added, safety equipment must be installed (including fuel cell), seats changed:
ENGINE:
Any engine may be used providing that it is listed as standard equipment or an option for that model of vehicle in that particular year of production.
Any make and type of exhaust is permitted.
Smog equipment may be removed.
Any make of automotive carburetor(s) or factory stock fuel injection may be used, providing they maintain a maximum of one venturi per cylinder. Any original equipment factory intake manifold set (upper and lower) appropriate for the engine may be used. Upper intake of the factory fuel injection cannot be modified.
Any make of intake manifold may be used for carbureted engines only.
Any make of air cleaner may be used with the location optional but must not cut the hood for clearance.
Any make of fuel pump and filter is permitted.
Dry sumps are not permitted. External oil coolers are permitted.

TRANSMISSION:
Any transmission may be used providing it is produced by the vehicle manufacturer for that model of vehicle. (ie; A Ford Explorer must use a transmission manufactured by Ford for an Explorer.)

DIFFERENTIALS:
Front and rear differentials must remain factory stock as delivered by the manufacturer. Straight axle differentials must be mounted in the same manner and location as originally produced and manufactured (IE: a differential mounted to the top of the leaf springs must remain mounted to the top of the leaf springs it is prohibited to change the mounting to the bottom of the leaf springs.) Gear ratios and carriers are open.
Front and rear straight axle differentials only may have material added for strengthening purposes only. Non-straight axle differentials (traction beam, etc) may not have material added for strengthening but may use a skid plate to protect the front pumpkin only. The skid plate must be a bolted on type only and may not reinforce the differential in any way.
Knock-off hubs are not permitted.

STEERING:
Steering box or rack and pinion must remain stock as delivered by the manufacturer and in the stock mounting location. Steering box or rack and pinion mounting may be reinforced by the addition of material. Aftermarket steering column mounted ?steering quickeners? may be utilized.
Steering parts (tie rods, tie rod ends, idler arms, pitman arms, relay rods and turning arms) must remain stock as delivered by the manufacturer.
Any manufacturer power steering pump may be used in the approximate stock location.
Any manufacturer steering wheel may be used. Steering wheel location must remain stock. Steering column shaft may be replaced.
BRAKES:
Turning or steering brakes are not permitted.
Stock brake system must be retained. Antilock or proportioning valve may be removed or replaced.

SUSPENSION:
Front and rear suspension components must remain stock manufacturer, shape, size and configuration as originally produced and installed on the chassis to which it is attached. All suspension components must remain in the original stock locations and retain the original stock mounting methods. All components will be original manufacturer?s design and remain stock as delivered from the manufacturer.
Some other changes are allowed....

DAMN!

I guess pure stock is a little misleading...at least to me