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IMPORTANT: enter the case-INsensitive alphabetic (no numbers) code AND WRITE SOME SHORT summary of changes (below) if you are saving changes. (not required for previewing changes). Wiki-spamming is not tolerated, will be removed, so it does NOT even show up in history. Spammers go away now. Visit Preferences to set your user name Summary of change: I have few questions about setting up the ignition system for the 1jz. the 1jz has three sensors, 2 camshaft angle sensors 1 crankshaft angle sensors It also uses Coil on Plug system with an separate igniter configured for wasted spark. What would the best setup look like? ditch the external igniter and get the 6+2 VEMS configuration ? MembersPage/PhatBob I guess it depends what you want, if you're going to re-wire the whole engine loom then dump the igniters and let VEMS control things. If you want to keep things looking stock then theres no point in replacing something that works fine. Personally I'd run the coils direct from the VEMS but get the Option 8 as you'll have a couple of spare high current drives that might come in handy. Do you have any more details on the camshaft sensors? I guess the crankshaft one is the 12 tooth afair? Optional: Add document to category: Wiki formatting: * is Bullet list ** Bullet list subentry ... '''Bold''', ---- is horizontal ruler, <code> preformatted text... </code> See wiki editing HELP for tables and other formatting tips and tricks.