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Ignition Resources

DotIgnition Timing Specs
Stock (factory) ignition timing

DotIgnition Timing (outside link)
An informative page explaining why your car may need to be timed differently than the manual states.

DotCrane Electronic Igniton
Photos and pdf of installation instructions

DotLunenation Electronic Ignition Photos
Photos of the ignition system on Howard Baugues' 76 Spitfire with Lumenition ignition

DotPiranha Ignition System
Photos and pdf of installation instructions for Piranha Ignition Systems

DotAllison Ignition System
A few photos of a Allison Ignition System

DotPertronix (or Perlux) Ignition System (outside link)
Pertronix electronic ignition installation on a Mk3

DotPertronix Ignition System (outside link)
Photos of a Pertronix electronic ignition on a 1500

DotFirewall and other Electrical Photos
Photos of the ignition system, distributor, relays, etc.

DotEngine Photos
Photos of readers car's engines

DotElectronic Igniton Troubleshooting Chart
Step by step chart (coming soon)

Does your 1500 have a strange resistor (with white and/or white with blue stripes) mounted on or near the distributor that do not seem to connected to anything? In the mid-70's Triumph installed electronic ignitions on their North American cars in an attempt to lower the emissions and improve relability. The Lucas electronic ignition boxes failed almost before the cars left the dealers' showrooms and were replaced (under warranty) by a couple other brands (Piranha, Allison, etc.). The lazy mechanics often left the original wiring on the car including the drive resistor.

Note 2:
This "drive" resistor is not the same as the ballast resistor. The ballast resistor is hidden from view. It is in reality a very long pink/white wire attached to the coil...so long it creates the resistance required by the ignition system.

Owners of Pertronix or Perlux Ignition Systems: if you leave your ignition on without the engine running and if the engine stops anywhere between roughly 30°BTDC to 30°ATDC it could damage the Pertronix module. The module will be sending "juice" to the distributor, thinking it is starting the engine. The unit is simply not large enough to dissipate the heat that would be generated and burns itself up.
Don't leave the key to the run position for long periods of time (more than 3-5 minutes)

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