IG-101 - Selecting SPARK PLUGS
IG-101A - HALO Spark Plugs - Long Term Test Report
IG-102 - Distributor BASE CLAMP
IG-103 - Distributor DRIVE GEAR ALIGNMENT
IG-104 - IGNITION COIL POLARITY
IG-105 - Distributor BUSHING REPLACEMENT
IG-106 - Ignition TROUBLE SHOOTING, the long version
IG-106A - Ignition TROUBLE SHOOTING, Diagnostic Tree
IG-107 - Distributor O-RING
IG-108 - IGNITION COIL Function and Testing
IG-109 - IGNITION COILS Variety
IG-110 - IGNITION COIL Cross Reference Numbers
IG-111 - Distributor ROTORS
IG-111A - REV LIMITING ROTOR, Lucas
IG-111B - ROTORS THAT FAIL
IG-111C - TESTING for a FAILED ROTOR
IG-111D - AUTOPSY of a FAILED ROTOR
IG-112 - High Tension SPARK WIRES
IG-113 - High Tension SPARK PLUG CONNECTORS
IG-114 - HT SPARK PLUG WIRE Positions
IG-115 - os - Setting IGNITION TIMING - by Les Bengtson
(in case you don't like the shop manual)
IG-116 - Setting IGNITION TIMING (practical application)
IG-116A - Setting IGNITION TIMING (more detail)
IG-116B - Setting IGNITION TIMING (different distributors)
IG-117 - HOW MANY CLICKS Equals 1 Degree?
IG-118 - Removing A STUCK DISTRIBUTOR
IG-119 - VACUUM LINE CLIP For Fuel Trap
  IG-119D - VACUUM LINE CLIP For Fuel Trap, drawing (pdf)
IG-120 - VACUUM LINE For Spark Advance
IG-121 - VACUUM LINE ROUTING
IG-122 - VACUUM ADVANCE UNIT Anatomy
IG-123 - VACUUM ADVANCE UNIT Markings
IG-125 - DISTRIBUTORS Original for MGA
IG-126 - Lucas Distributor Models and Specifications
IG-126P - Lucas Distributor Models and Specifications (159-KB pdf)
IG-128 - CONDENSERS Are A Fickled Bunch
IG-128A - CONDENSER Mounting Screw.
IG-129 - HOW TO TEST A CONDENSER
IG-129A - os - Condenser Failure (and Construction)
IG-130 - HOW SPARK ADVANCE WORKS, Mechanical and Vacuum
IG-135 - TUNING The Lucas Distributor

IG-141 - IGNITION COIL BRACKET, MGA 1600
  IG-141D - IGNITION COIL BRACKET Drawing, MGA 1600 - (pdf)
IG-142 - IGNITION COIL BRACKET, MGB Early
  IG-142D - IGNITION COIL BRACKET Drawing, MGB Early - (pdf)

IG-200 - Mallory DUAL POINTS DISTRIBUTOR - How it Works, Why Dual?
IG-200A - Mallory DISTRIBUTOR Cease Production, Continue Service Parts
IG-201 - Mallory DUAL POINTS DISTRIBUTOR - 160,000 mile report
IG-201A - Mallory DUAL POINTS DISTRIBUTOR - 200,000 miles Plus
IG-201B - Mallory DUAL POINTS DISTRIBUTOR - Failing Condensers
IG-202 - Mallory POINTS Type DISTRIBUTORS - Installation & Adjustment

IG-203 - ELECTRONIC IGNITION, General Comments
IG-203B - ELECTRONIC IGNITION, General Comments #2
IG-204 - ELECTRONIC IGNITION, Lumenition
IG-205 - ELECTRONIC IGNITION, Pertronix
IG-205AL - os - ELECTRONIC IGNITION, Aldon (same as Pertronix)
IG-205AS - ELECTRONIC IGNITION, AccuSpark
IG-205B - ELECTRONIC IGNITION, Pertronix Failure #1
IG-205C - ELECTRONIC IGNITION, Pertronix Failure #2
  IG-205I1 - Pertronix Negative Earth Instructions (74-K pdf)
  IG-205I2 - Pertronix Positive Earth Instructions (52-K pdf)
  IG-205I3 - IgnitorII Negative Earth Instructions (154-K pdf)
  IG-205M - Modification of Smiths Current Sensing Tachometer (359-K pdf)
IG-205P - ELECTRONIC IGNITION, Powerspark
  IG-205T1 - Pertronix MODULE TEST - Good or No-Good (54-K pdf)
  IG-205T2 - Pertronix Module Troubleshooting (322-K pdf)
IG-206 - ELECTRONIC IGNITION, MSD
IG-207 - ELECTRONIC IGNITION, Crane/Allison XR700, XR3000
IG-207W - ELECTRONIC IGNITION, Winterburn CD
  IG-207W1 - "Electronic Ignition", by Fred Winterburn (356-KB pdf)
  IG-207W2 - Winterburn CD vs. Kettering Ignition (58-KB pdf)
  IG-207W3 - Winterburn CD vs. Racing CD Ignition (48-KB pdf)
IG-208 - 123 ELECTRONIC DISTRIBUTOR
IG-210 - JUDSON ELECTRONIC MAGNETO
IG-210P - The JUDSON Electronic Magneto (580-K pdf)
IG-212 - PERTRONIX FLAMETHROWER Electronic Distributor

IG-215 - BALLASTED IGNITION SYTEM
IG-220 - os - Why Do Electronics Die? - (Electronics are not forever)

IG-300 - TIMING METER for Mechanical Ignition Distributors
  IG-300pdf - timing_meter.pdf (7-MB pdf)