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Sigh, I broke my diff this weekend. Guess 1JZ is too strong for a 318ti diff :P. Now I need to go and find an M3 lsd :/ always something. The management system i have does not have a dwell table but a fixed dwell time. What dwell time should i be using with the stock 1JZ-GTE vvti wasted spark...

Are the spark plug heads required for these coils different? If so what plugs do fit and are suitable for 1JZ?

Ok found 6 x CBR600 coils for USD340 vs 2JZ coils for USD1350. Any other comments on using these before I go ahead and order them? Anyone know of 1JZ's who have successfully used them? Thanks :)

NOTE: The Gotech PRO X ecu is equipped with a built in ignition ignitor. If external coil drivers or coils with built in drivers are used the Gotech ecu would need to be modified. Please contact your nearest Gotech distributor for more info. Ok so for sure I want 6 coils without igniters to run...

Thank you. Do you know which model toyota COP do not have igniters? I believe the issue is in the wasted spark setup, not the lack of an igniter (the EMS does not support built in drivers). I am looking for ones like the 2JZ ones but unfortunately those are not available here.

I have re-read the installation manual (i had a tuner do the installation so did not study it in depth originally) just to check if it is meant to direct fire and it appears that it does since the layout diagram shows 7 pins, one common to all 6 coil positives and 6 pins individually wired to...

Mine was a JDM import which came without any electronics. I have added a standalone management system. With the standalone and 1JZ wasted spark coils do you still need the igniter between the two? If not would this cause the symptoms I am having? If I am to replace them what coils can I use as...

Thanks for the responses. I dont think i have an igniter at all (which could be the problem) the management system is direct fire I believe (http://www.gotech.co.za/productprox.html) perhaps the details on that page would clarify if i need a separate igniter or not to someone more knowledgeable...

I am hoping the global community can help me solve this problem. I have fitted a 1JZ-GTE VVTi into a e46 BMW 318ti. https://www.facebook.com/media/set/?set=a.10151405161805440.853369.564250439&type=3&l=4da358a866 I am having weak spark problems which I have to mask by running 0.50mm gaps...