Gear Jam Heads-up 4-speed Gassers Classes

Pre-Registration

Gear Jam Heads-up 4-Speed Gasser

Gear Jam Heads-up 4-Speed Gasser Classes

1/8-mile

Pro Tree.

A/Gas: 6lb per cubic inch

C/Gas: 8lb per cubic inch

D/Gas: 10lb per cubic inch. 

Cars must be 1967 or older.

All vehicles must meet NHRA tech to run.

Seat Belts must be up-to-date.

Blow proof bell housings must be employed.

Wheels must be 1970 style or older

Rear slicks: Maximum 10.5 x 29.5W, 11.5” with tape

Body:

Front: Minimum 12in clearance from rocker panel to ground

Rear: Minimum 11’inch clearance from rocker panel to ground.

No Power Adder*

(For the first year, we will allow superchargers, 6:71 only, in D- and C-Gas ONLY, and as per early ‘60s NHRA rules, will bump them up one class. Blown D will run in C, blown C will run in A. No blown A-Gas combinations allowed.)

No oxygenated fuel

4-Speed Only

No two-steps

Minumum weight: 2500lbs

Suspension:

Front: Stock or straight axle

               No rack-and-pinion

Rear: Stock, with ladder bars. No modern suspension systems. 

Wheelie bars: Maximum length 44 inches. No single-wheel

Engine:

No sheet metal intake

A-Gas: head angle open

C- and D-Gas: 23-degree heads only.

All proper safety equipment required: including belts in-date, racing helmet (not motorcycle helmet), no short pants, no open-toe shoes or sandals.

Protest Fee: P&G $100

Pull head and check valve angle: $300

Gear Jam Heads-up 4-Speed Gasser Classes

1/8-mile

Pro Tree.

A/Gas: 6lb per cubic inch

C/Gas: 8lb per cubic inch

D/Gas: 10lb per cubic inch.