Category 2 Mini
Permitted modifications supported by documented evidence.
850, 970, 998, 1071, 1098, 1275.
Due to the shortage of Mini Cooper ´S´ blocks, the Solid tappet chest 1275GT block will be allowed.
The ‘A’ Plus block is permitted. The ‘A’ Plus is identified by the strengthening webbing visible on the front of the block below the distributor mounting hole.
12G940 casting 1275cc cylinder heads. Arden or Weslake 8 port cylinder heads.
A crankshaft with C-shape counterbalance webs is not permitted.
Luminition Optronic replacement system.
Single Weber or Delorto. Split Weber configuration allowed. Twin 1.25, 1.5, 1.75 S U´s (Not later H I F type) Amals or twin Forty DCOE carburetors on 8 port cylinder head configuration..
Three or Four syncromesh. (NOT Dog Engagement)
Limited slip differential. Straight cut drop gears.
The starter motor must be of the inertia type. NOT pre engaged. The period modification was to fit a 10 tooth pinion as opposed to the 9, this gave a greater turn speed of the engine.
Front. Minifin brake drums. Solid 7.5 or 8.4 inch brake disc.
Rear: Cast Iron or Minifin brake drums.
Tandem master cylinder. Adjustable brake pedal box. As long as it cannot be adjusted by driver or navigator when normally seated. The KAD adjustable pedal box assembly is acceptable.
The later Rover Mini assembly which incorporates an in line servo is also allowed
The original 2 bolt/stud tower subframe may be replaced by the later single large bolt type
Front. Adjustable Hi Lo´s. Solid negative camber bottom arms (Not rose joints). Adjustable tie bars. (Not rose joints)
Rear. Beam axle with coil over shock absorbers. Adjustable Hi Lo´s. Non adjustable camber brackets. Rear anti/roll bar.
Wheels and Tyres.
Ten or Twelve inch wheel rims
Width and tyres as per MSA Blue book.
Fibre glass bonnet or boot lid. Composite side windows.
Wind up one piece front side windows may be replaced with two piece slider windows. (As mark one Mini)
Alloy doors or skins, centrally mounted replacement petrol tank.
Twin Steel petrol tanks.
Front and rear bumpers must be fitted.
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