Camchaft chart.

All measurements in inches.

  1 2 3 4 5 6 7 8
PartNo.
(spider drive):
12A 1065   12G 726 AEG 557, AEG 323, AEG 538   AFG 542 C-AEG 567  
Cam lobe width: 3/8 inch   3/8 inch 1/2 inch   1/2 inch 1/2 inch  
Markings:     2 rings     1 wide ring AEG 568  
Standard use: Auto mini, auto 1100.   Auto mini, auto 1100. Midget MK3, Sprite MK4 1300
12H marina.
       
PartNo.
(pin drive):
8G712, 2A297, 2A517.   12G165, AEA630     AEG510 88G229, 2A948, 12A122.  
Cam lobe width: 3/8 inch   3/8 inch     1/32 inch 3/8 inch  
Markings:     2 rings     1 ring 1 ring  
Standard use: 850 Mini, all 803 & 948cc engines   1100 sprite MK2
Midget MK1
Mini 1100
Cooper "S"
Midget MK2
Mini1275GT
  Cooper "S" 997 Cooper  
PartNo.
(slot drive):
               
Cam lobe width:   1/2 inch     1/2 inch     1/2 inch
Markings:         1/4 groove after 3rd lobe      
Standard use: 998 Mini 850 & 998 Metro     Metro, marina, allegro, MG metro turbo.
Mini 1.3, 1990-onw.
ERA-Mini.
    MG Metro, Vandenplas Metro.
In. opens BTDC 5 9 5 5 9 10 10 16
In. closes ABDC 45 41 45 45 41 50 56 56
Ex. opens BBDC 40 49 51 51 55 51 51 59
Ex. closes ATDC 10 11 21 21 17 21 21 29
In. period 230 230 230 230 230 240 252 252
Ex. period 230 240 252 252 252 252 252 268
Cam lift in/ex. .200/.220 .250/.235 .250/.250 .250/.250 .250/.250 .250/.250 .250/.250 .250/.250
Valve lift Std rockers. 0.280 0.318/0.300 0.318/0.318 0.318/0.318 0.318/0.318 0.318/0.318 0.318/0.318 0.318/0.318
Valve lift 1.5 rockers. 0.330 0.375/0.360 0.375/0.375 0.375/0.375 0.375/0.375 0.375/0.375 0.375/0.375 0.375/0.375
Lobe Displacement Angle. 107.5 107.5 107.5 107.5 107.5 107.5 107.5 107.5
Tapped clearance:
            STD:
            1.5:
0.010-0.012/
0.012-0.014
0.012-0.012/
0.012-0.014
0.012-00.12/
0.012-0.014
0.012-0.012/
0.012-0.014
0.012-0.012/
0.012-0.014
0.015-0.015/
0.018-0.018
0.015-0.015/
0.018-0.018
0.015-0.015/
0.018-0.018s
Full inlet lift at: 110 ATDC 106 ATDC 110 ATDC 110 ATDC 106 ATDC 110 ATDC 110 ATDC 110 ATDC
Overlap: 15 20 26 26 26 31 37 45