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HomeCar Classifications

AHCA Classes and Designators

Classes - Both male and female drivers

Class
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Description
948 Sprite - Stock
1098-1275 - Stock
948 Sprite - Prepared
1098-1275 - Prepared
BN1, BN2 100M, BN4 early 4 port engine - Stock
BN4 late, BN6, BN7, BT7 MKI - Stock
BT7 & BN7 MKII, BJ7, BJ8 – Stock
BN1, BN2, BN4 – Prepared
BN6, BN7,  BT7 MKI – Prepared
BT7 & BN7 MKII, BJ7, BJ8 – Prepared
Modified – Healey components 4 & 6 cylinder classes
Nasty Boys – Healeys with non-Austin engines
Jensen Healey – Stock
Jensen Healey – Prepared
Premier Output Healeys



AHCA Points Designator

Total Points
0 to 5
6 to 12
13 to 20
21+

Stock
Prepared
Modified
Premier Output Healeys

Point Assignment for class designation

Description
1. Major Component Conversion & Swaps
    a. Non-Healey Transmission
    b. Limited Slip Differential
    c. Engine Modifications (Headers, Camshaft {more than fast road cam} Pistons (over +30 bore) Flywheel, Roller Rockers, etc.
    Carbs - Changes to other than stock carbs
    Aluminum aftermarket head
Points

 
4
2
2 each

2/carb
4
 
2. Wheels and Tires
    a. Wheels wider than
      i. Big Healey   5 1/2 inch
      ii. Sprite           5 inch
      iii. Jensen Healey    5 1/2

    b. Tire Treadware Rating less than 160
    c. Tires should be less than 10 years old for any speed event



2
2
2

5
Components affecting Safety or common upgrades not increasing performance significantly will be free of a points penalty. Some of these are:

  • Disk Brake Conversion
  • Sway Bars
  • Suspension Bushings
  • Tube Shocks
  • Electronic Ignition (not programmable multi spark ignition) etc.