Hi , Hope I'm doing this right . I have a question regarding my mates LC GTR XUI . I went around on Anzac day to set his ignition timing and carbs and had no real problems . But here it the question ,he has an old screw in electronic unit under the dizzy cap and a module . The paper work he showed me suggests it is a Fireball XR 700 optically triggered ignition system . He wants to put a new after market copy of a commodore electronic dizzy to replace the optic trigger . Can the module be retained ,and if so which of the three wires[black grey and white] that normally go to the optic trigger would I use as + and- on the replacement dizzy . Yes I know what you are thinking ,just replace the resisted 7.5 volt [after start up ] ignition coil wire with one directly off the back of the ignition switch . But this is a nightmare with the dodgy alarm and isolator system that someone has installed . I would appreciate any ideas . Cheers Haydn
Electric ignitions
#2
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Oh My, Don't you post alot
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Posted 27 April 2015 - 02:16 PM
Honestly throw it in the bin (unless it is an original XU1 dizzy) and fit a blue or black EFI dizzy and coil. You don't need to run any new wires, just bridge the pink and yellow wires at the ignition switch. You may have to get the HEI regraphed to suit the XU1 engine though.
#3
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Shed tinkerer
- Location:New South Wales
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Posted 09 May 2015 - 06:41 AM
Hi , Hope I'm doing this right . I have a question regarding my mates LC GTR XUI . I went around on Anzac day to set his ignition timing and carbs and had no real problems . But here it the question ,he has an old screw in electronic unit under the dizzy cap and a module . The paper work he showed me suggests it is a Fireball XR 700 optically triggered ignition system . He wants to put a new after market copy of a commodore electronic dizzy to replace the optic trigger . Can the module be retained ,and if so which of the three wires[black grey and white] that normally go to the optic trigger would I use as + and- on the replacement dizzy . Yes I know what you are thinking ,just replace the resisted 7.5 volt [after start up ] ignition coil wire with one directly off the back of the ignition switch . But this is a nightmare with the dodgy alarm and isolator system that someone has installed . I would appreciate any ideas . Cheers Haydn
What trigger wheel is he using? Do you have pictures?
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