TC-300 - Twin Cam Engine GENERAL DESCRIPTION
TC-300A - Twin Cam GOLD SEAL ENGINE
TC-300B - THINGS THAT ARE BLACK on the Engine
TC-300E - Engine REMOVAL Tips, Twin Cam
  MG-282 - Remedies for possible complaints (csm)
  MG-288 - Remedies for possible complaints (Cancels MG282) (csm)
TC-300P - Engine Paint Color (Change?), Twin Cam

TC-301 - CARBURETOR FLEX MOUNTS, Problem
TC-301A - CARBURETOR FLEX MOUNTS, Solution 1
TC-301B - CARBURETOR FLEX MOUNTS, Solution 2
TC-301C - CARBURETOR FLEX MOUNTS, Solution 3
TC-301C1 - CARBURETOR FLEX MOUNTS, Solution 3 installation
TC-301D - CARBURETOR FLEX MOUNTS, Solution 4
TC-301E - CARBURETOR FLEX MOUNTS, Solution 5
  MG-238 - Fuel octane requirements (csm)
  MG-264 - Carburetter damper piston (csm)
TC-301L - CARBURETOR LINKAGE Setup
TC-301M - INTAKE MANIFOLD CHANGE, SU Carburetors
TC-301W - INTAKE MANIFOLD For WEBER Carburetors

TC-302 - CAMSHAFT EXCHANGE
TC-302A - TAPPETS, Short, Long, Sleeves, and Material
TC-302B - Cylinder Head WELDING
TC-302C - CAMSHAFT LOCKING KEYS, 18G551
  MG-251 - Fitting camshaft bearing caps (csm)
  MG-253 - Tappets, sparking plugs (csm)
  MG-276 - Tappet clearance (csm)

TC-303 - ENGINE ASSEMBLY NOTES
TC-303B - ENGINE ASSEMBLY PHOTOS
TC-303C - PISTON-VALVE CLEARANCE
TC-303D - DOWELS in the Timing Cover and Engine Front Plate
TC-303E - THRUST WASHER, Oil Pump Drive Gear, Drawing Errors
TC-303T - TIMING COVER and GASKET, R&R In Situ
  MG-257 - Timing cover gasket (csm)

TC-304 - IGNITION CURVE
TC-304A - IGNITION CURVE, Early Vacuum Distributor
TC-304B - Original DISTRIBUTOR for MGA Twin Cam
  MG-248 - Distributor clamping (csm)
  MG-296 - Piston failure (new distributor) (csm)
  MG-301 - Campaign change of distributor (csm)
TC-304C - EASIER READING TIMING POINTER for MGA Twin Cam
TC-304D - Ignition HT WIRE LENGTHS for MGA Twin Cam
TC-304E - Ignition Vacuum Advance Pipe Routing, MGA Twin Cam
TC-304F - Ignition HT WIRE CLIPS for MGA Twin Cam

TC-305 - WATER PUMP
TC-305A - WATER PUMP Rebuild #1
TC-305B - WATER PUMP Rebuild #2
TC-305C - WATER PUMP SEALS, MGA Twin Cam
TC-305H1 - WATER HOSE, Radiator to Water Pump
  MG-234 - Water loss (csm)
TC-306 - CLUTCH PRESSURE PLATE ASSEMBLY
  MG-275 - Crankshaft, flywheel and clutch assemblies (csm)
TC-306A - SUBSTITUTE CLUTCH PARTS And MGB Clutch
TC-306B - CLUTCH For Twin Cam, More Information
TC-307 - CRANKSHAFT REPLACEMENT
  MG-309 - Main and connecting rod bearings (csm)
  MG-416 - Crankshaft thrust washers (csm)
TC-307A - CRANKSHAFT REPLACEMENT With Ghost Mains
TC-307C - CONNECTING RODS, Weights And Balancing
  MG-231 - Connecting rod assemblies (csm)
  MG-236 - Connecting rod assemblies, (Cancels MG231) (csm)
  MG-252 - Connecting rod assemblies, (Cancels MG236) (csm)
  MG-262 - Connecting rods (csm)
TC-308 - AIR CLEANER CHANGES
  MG-286 - Air cleaner venturi (csm)
TC-308A - AIR FILTER ELEMENT Substitute
TC-308B - CRACKED AIR CLEANER BASE
TC-308C - AIR CLEANER DECAL
  CB-303 - Cold Air Intake Assembly - See Carburetors.
TC-309 - LOCKTAB for CRANK DOG NUT
  Drawing - LOCKTAB for CRANK DOG NUT (110-KB pdf)

TC-310 - PISTONS, High Compression for the Twin Cam
  MGA-P-01 - MGA Twin Cam 9.9 CR Piston Drawing (400-KB pdf)
  MGA-P-02 - MGA Twin Cam 9.9 CR Piston Skirt (120-KB pdf)
TC-310A - PISTONS, Low Compression for the Twin Cam
TC-310B - PISTONS, Sources for the Twin Cam
TC-310C - PISTONS, How They Burn, Twin Cam
  MG-325 - Piston Failure (csm)
  MG-344 - Piston Failure (Cancels MG325) (csm)
TC-310D - PISTONS, Running Clearance, Twin Cam
  MG-240 - Piston scraper rings, oil pump drive spindle (csm)
  MG-278 - Piston rings (csm)
  MG-307 - Piston rings (csm)

TC-311 - VALVE KEEPERS, Special
TC-311A - VALVE SPRINGS, Uprated
  MG-310 - Valve springs (csm)
TC-312 - CAM COVERS, Cracks and Sealing
TC-313 - AERODYNAMIC NUTS for Intake
TC-314 - Dynamo Mount, FAN AND PULLEY
  MG-237 - Fan belt dynamo pulley (csm)
  MG-237A - Fan belt dynamo pulley, corrected (csm)
TC-314A - Dynamo Mount, REAR BRACKET With WEBER CARBS
TC-315 - Crankshaft REAR SEAL for Twin Cam
TC-316 - SU H6 CARBURETORS Photos and Notes
TC-317 - SHIMS For Tappet Adjustment
TC-318 - TENSIONER for Timing Chain
TC-318A - TENSIONER with Timing Chain Too Long
TC-318B - Timing Chain INSTALLATION
TC-319 - Cylinder Head GASKET for Twin Cam
TC-319A - Cylinder Head GASKET, Copper Side Down

TC-320 - 1762cc Twin Cam ENGINE
  T.I.M. No. 35 - 3.1/8" bore Twin Cam (1762cc) - (0.1-MB pdf)
  The MGA Twin Cam 1762cc Engine - Facts, Myths and Questions - (1.1-MB pdf) - (posted by permission of the author)
TC-321 - 1800cc - 1950cc Twin Cam ENGINE
TC-321A - 5-Main Bearing 1800+ Twin Cam Engine
TC-321B - Development of an MGB Twin Cam
TC-322 - OIL COOLER PIPES, for Twin Cam Engine
TC-323 - OIL SEAL, Twin Cam Timing Cover, Cross Reference
TC-324 - THERMOSTATS for the Twin Cam
TC-324A - Coolant Bypass for the Twin Cam
TC-325 - Coolant REMOTE PRESSURE RELIEF VALVE
TC-326 - MISALIGNED COMBUSTION CHAMBERS in the Twin Cam Head
TC-327 - ENGINE BLOCK and Main Bearing Cap Numbers, Twin Cam
TC-328 - INSTALLING the Twin Cam Engine
TC-329 - Dipstick Markings and Dimensions
TC-329A - Dipstick Markings and OIL LEVEL #1
TC-329B - Dipstick Markings and OIL LEVEL #2
TC-330 - RUNNING-IN A Rebuilt Twin Cam Engine
  T.I.M. No. 33 - TUNING Information Memo 33 - (4.1-MB pdf)
  STTC - Special Tuning the MGA Twin Cam, v0.64 - (3.7-MB doc)
TC-331 - PACKING PLATE for LH Engine Mount, Twin Cam
TC-331A - BRACKET for LH Engine Mount, Twin Cam
TC-332A - OIL PAN, Original Alloy Sump, Twin Cam
TC-332B - OIL PAN, Changing from Alloy to Steel Sump, Twin Cam
TC-335A - CRANKCASE VENTILATION for the Twin Cam #1
TC-335B - CRANKCASE VENTILATION for the Twin Cam #2
TC-335C - CRANKCASE VENTILATION for the Twin Cam #3
TC-335D - CRANKCASE VENTILATION for the Twin Cam #4
TC-335E - CRANKCASE VENTILATION for the Twin Cam #5
TC-335F - CRANKCASE VENTILATION for the Twin Cam #6
TC-336 - CRANKCASE VENT PIPES, Original for Twin Cam
TC-337 - CRANKCASE VENT Retrofit for Twin Cam with MGB Parts
TC-338 - CAMSHAFT SEAL, Twin Cam Cylinder Head to Front Plate
TC-340 - WEBER CARBURETORS For MGA Twin Cam
  WSTC - WEBER SETTINGS for MGA Twin Cam, v0.44 - (180-KB doc)
TC-341 - AIR CLEANERS For Weber Carburetors #1
TC-342 - AIR CLEANERS For Weber Carburetors #2
TC-350 -CYLINDER HEAD CASTING, NEW, for the MGA Twin Cam
TC-351 -CYLINDER HEAD, DATUM POINTS For Machining, MGA Twin Cam
TC-360 -Converting MGA Twin Cam to a Pushrod Engine

os - Adjusting TAPPET CLEARANCES - YouTube 7:55
os - Hot Rods For Abingdon - Four One-Off Twin-cam MG racing engines
os - Developent of an MGB Twin Cam - (0.5-MB pdf)

Also see TC General Info and TC Chassis and TC Off-site Links pages.