My MG's Garage 

Fastener & Tourque
Home Up MG T Series Fastener & Tourque




This chart is an adaption based upon work provided by Dave DuBois, Stuart Lock and TA Terry

To download an Excel Spreadsheet  of this table click here.

SizeLengthWrench SizeTourque Ft/LbsDescription / UseQTYOriginal P/NAbingdon P/NMoss P/N
5 x 0.75mm1-9/16 in in1/8W Fan to pulley (TD/TF)4AAA52137-23320-120
6 x 1mm1/2 in3/16W Upper rear oil seal cover3JA53843-12320-130
6 x 1mm1/2 in3/16W Rocker (valve) cover side bosses (TD/ TF)2JA53843-12320-130
6 x 1mm1/2 in3/16W Baffle to sump4JA53843-173320-130
6 x 1mm5/8 in3/16W6Camshaft thrust plate 2X151755-84320-130
6 x 1mm5/8 in3/16W Oil pickup to baffle (TD/TF)2JA51173-169 
6 x 1mm5/8 in3/16W Oil pickup cover (late TD/TF)1HP04053-167 
6 x 1mm1-1/2 in3/16W6Oil pickup to sump, drilled for safety wire 2ASL58533-161320-150
6 x 1mm1-1/2 in3/16W6Timing chain tensioner, drilled for safety wire2AAA57925-8320-150
6 x 1mm2-5/8 in3/16W6Oil pump to block (TC/early TD)4AAA55863-99320-160
   6(Late TD)2   
6 x 1mm3-5/16 in3/16W Oil pump to block, drilled for safety wire (TC/early TD)2AAA55863-99320-160
    (Late TD/TF) 4   
6 x 1mm3-1/2 in3/16W Oil pump to block, drilled for safety wire2AAA30933-97320-170
8 x 1mm1/2 in3/16W Oil gallery plugs5X229683-8328-100
8 x 1mm1/2 inscrew head Rear plate to head4MG862/2113-50323-180
8 x 1mm5/8 in3/16W Front bearer plate to block2AAA53433-40320-260
8 x 1mm5/8 in3/16W Timing chain cover to front bearer plate (2 bolts from rear of bearer plate)2X150123-39320-260
8 x 1mm5/8 in3/16W Cam bearing dowel bolts ( drilled for safety wire)2AAA56215-44320-900
8 x 1mm3/4 in1/4W19Clutch to flywheel6CA112213-47321-028
8 x 1mm3/4 in1/4W Engine mount cradle to front bearer plate (TD/TF)4OA100773-42320-260
8 x 1mm3/4 in1/4W Generator adjusting link to block1CA11223-149320-260
8 x 1mm3/4 in1/4W Generator mounting bracket to block2CA11223-146320-260
8 x 1mm3/4 in1/4W Clutch cable bracket to sump (early TD)2CA112213-31320-260
8 x 1mm3/4 in1/4W Oil filter support bracket to block (TC)2CA1122USE 3-39320-260
    (Early TD)3   
8 x 1mm3/4 in1/4W Water outlet elbow to thermostat housing bolt (TF)2CA11227-45320-260
8 x 1mm7/8 in1/4W Water outlet elbow to head (TC/TD)4CA12583-132320-270
8 x 1mm7/8 in1/4W Air cleaner elbow to carburetor (TC/TD)4CA12583-62A320-270
8 x 1mm7/8 in1/4W Water pump (short bolt) (TD/TF)1CA12587-27320-270
8 x 1mm7/8 in3/16W19Sump to block (center bolts)10LA74313-74320-270
8 x 1mm7/8 in3/16W19Sump to timing chain cover (deep head)2AAA53403-73320-265
8 x 1mm1 in1/4W Water pump (long bolt, lower hole) (TD/TF)1JA50527-28320-625
8 x 1mm1 in1/4W Bell housing to engine 10JA50523-58321-048
8 x 1mm1 in1/4W Bottom generator mounting (TC, front and rear)2JA50523-153/157320-625
    (TD/TF rear)1   
8 x 1mm1-1/8 in3/16W Sump to block (deep head slotted - rear 2 bolts)2AAA53413-75320-615
8 x 1mm1-1/4 in1/4W Bottom generator mounting (TD/TF front with 1/4 spacer)1QA110933-153320-625
8 x 1mm1-1/4 in13mm25Gudgeon pin clamp bolts (original bolts had 1/4w heads)4CA10095-17320-890
8 x 1mm1-7/8 in1/4W Timing chain cover to engine3AAA52863-36320-300
8 x 1mm2 in1/4W Timing chain cover to engine (2 lower bolts)2AAA52313-35320-310
8 x 1mm2-1/4 in13mm25Rod big end bolts (with self locking nuts)8  320-880
  1/4W (Drilled for cotter pin) AEF1235-15 
8 x 1mm2-3/4 in1/4W Water outlet elbow to head TF (long bolt)2OA100197-40 
8 x 1mm3-5/16 in1/4W16Rocker tower4AAA56705-57320-330
10 x 1.5mm3/4 in5/16W Carburetor to manifold (TC/TD)4LA7153 320-510
10 x 1.5mm7/8 in3/8W50Flywheel to crankshaft, drilled for safety wire4AAA560913-61321-108
10 x 1.5mm1 in5/16W Starter to block (TC)3CA109565-62320-510
10 x 1.5mm3-1/2 in5/16W43Rocker tower4AAA56925-58320-530
12 x 1.mm7/8 in5/8W50Crankshaft pulley bolt/starting dog (can use 1 1/8 SAE wrench)1AAA52795-30433-450
12 x 1.5mm1 in3/8W50Timing gear to camshaft 1AAA57885-35320-670
  19mm (Some bolts come with this larger head)    
1/4 x 26 BSF1-1/4 in3/16W Engine breather pipe clamp bolt (some of these may be 6 - 1mm)1CA1263USE 23-125320-200
1/4 x 20 W1-3/8 in3/16W Distributor clamp pinch bolt, slotted head (TC/early TD)1   
5/16 -22 BSF3/4 in1/4W Clutch return spring bracket to sump1AJG6255Z13-22320-360
5/16 -22 BSF3/4 in1/4W Air cleaner to carburetor (TD MK II/TF)4LA746923-185320-360
5/16 x 18 W5/8 in1/4W Adjusting link to generator (5/16 - 18 SAE bolt fits)13H20923-151322-510
3/8 x 20 BSF4-1/2 in5/16W Oil filter housing (late TD/TF)13008523-197 
SizeLengthWrench SizeTourque Ft/LbsDescription / UseQTYOriginal P/NAbingdon P/NMoss P/N
6 x 1mm1-7/8 in  Tappet cover studs3AAA55953-16 
8 x 1mm1-1/4 in  Water outlet elbow to thermostat housing stud (TC/TD)2CB17173-31328-730
8 x 1mm1-7/8 in  Long water pump stud1X201673-30328-750
8 x 1mm1-3/4 in  Short water pump stud1JB59693-31328-750
8 x 1mm4 in  Manifold to head 4AAA57733-47328-760
8 x 1mm5 1/4 in  Rocker (valve) cover studs2AAA55523-46 328-770
10 x 1.5mm2 in  Carburetor to manifold studs (TD MK II/TF)4QA117913-121328-810
10 x 1.5mm1-7/8 in  Exhaust flange to manifold studs (TC)3CA11193-62328-828
10 x 1.5mm1-1/2 in  Exhaust flange to manifold studs (TD/TF)3X151263-62A328-808
10 x 1.5mm4-3/8 in  Head to block studs10AAA55123-13328-780
12 x 1.5mm3-1/8 in  Main bearing cap to block studs6LA71045-85328-830
SizeLengthWrench SizeTourque Ft/LbsDescription / UseQTYOriginal P/NAbingdon P/NMoss P/N
10 x 1.5mm 3/16W Center oil gallery plug1X202473-9 
12 x 1.5mm5/16 inscrew, steel Front oil gallery plug 1X2273265-57328-020
12 x 1.5mm9/16 inscrew, brass Rear oil gallery plug1X1539365-57328-030
12 x 1.5mm 5/16W Oil pump body plug (late TD/TF)11631383-212 
12 x 1.5mm 5/16W Oil pump cover2107983-215 
12 x 1.5mm 5/16W Sump oil pickup port plug1107983-215 
21 x 1mm 9/16W Relief valve cap (can use 1" SAE wrench)1AAA56283-111 
3/8 x 19 BSP 3/8W Water outlet plug on thermostat housing (TF)1AEK1227-47320-625
1/2-14 BSP 1/2W Sump oil drain plug 1AAA25993-68328-120
SizeLengthWrench SizeTourque Ft/LbsDescription / UseQTYOriginal P/NAbingdon P/NMoss P/N
8 x 1mm 1/4W10Water pump shaft to pulley nut1JA50887-6311-080
8 x 1mm 1/4W Water pump stud nut2CA11263-51311-100
8 x 1mm 1/4W Water outlet elbow to thermostat housing stud (TC/TD)2CA1126USE 3-51311-100
   35Generator pulley nut (TC)1 35-058146-200
   35Generator pulley nut (TD/TF)1 35-058a310-310
8 x 1mm 1/4W Front engine mount cradle to front bearing plate 4CA11263-43311-100
8 x 1mm 1/4W Manifold clamp nut4CA11263-66311-100
8 x 1mm 1/4W Rod big end cap bolt nut (orig. Castellated for cotter pin)8AEF1315-16 
    (Self locking type)   311-080
10 x 1.5mm 5/16W50Head stud nut10AAA52083-56 
10 x 1.5mm 5/16W Exhaust flange to manifold nut (brass)3CA16053-63 
10 x 1.5mm 5/16W Carburetor to manifold studs (TF)4CA11273-122 
12 x 1.5mm 7/16W63Main bearing cap stud nut (castellated for cotter pin)6AEF1995-5 
1/4 x 26 BSF 3/16 Engine breather pipe clamp bolt nut (some of these may be 6 - 1mm)1CA1254USE 23-425 
1/4-26 BSF 3/16W Distributor cotter bolt nut (late TD/TF)1CA1254  
1/4 x 20 W 3/16W Distributor clamp pinch bolt nut (TC/early TD)1ADJ8104  
3/8 x 20 BSF 5/16W Clutch linkage fulcrum pin nut (castellated for cotter pin)2AAA580213-26311-240
SizeLengthWrench SizeTourque Ft/LbsDescription / UseQTYOriginal P/NAbingdon P/NMoss P/N
2BA3/4 inslotted screw Bypass elbow to thermostat housing (TC/TD)2AJD3207-66323-040
8-1MM7/8 in1/4W Distributor lock bolt, dog point, drilled for safety wire (TC/early TD)1AAA521235-93433-530
1/4-26 BSF   Distributor cotter bolt (late TD/TF)1AAA277635-90433-540
3/8-20 BSF   Clutch linkage fulcrum pin2X2304913-27190-390
1/8-28 BSPN/A3/16W Block water drain tap13H27243-14434-240
1/8-28 BSP1 in5/16W Oil pipe block to head banjo bolt (TC/early TD)2X210213-115A435-465
    (Late TD/TF) AAA55503-115435-490
1/4-19 BSP1-1/8 in1/2W Filter to block oil pipe (TC)4X190893-86435-480
    (Early TD)3   

Anyone who has additional specifications, or corrections please e-mail them to the webmaster -- thanks.

Last modified: April 26, 2005

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