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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: '''Subpage of MembersPage/Akos/AudiAbz''' V8 with 60-2 trigger and 8 COPs (currently ign_dualout) ---- '''Originally it was falsely reported''' that trigger system is InputTrigger/AudiTrigger with '''primary trigger''' * 136 tooth (none missing) VR sensor on the crank '''secondary trigger''' * 1 tooth "crankhome-VR" sensor on the crank * 1 tooth HALL on the cam, (windowing every other crankhome-VR pulse) ---- '''It turned out for sure''' there is no crankhome-VR, and the '''primary trigger''' * 60-2 VR (appr 960 Ohm) VR sensor on the crank ** '''DID Audi V8 ENGINEs USE 60-2 ? The motronic seemed to run it...''' '''secondary trigger''' * 1 tooth HALL on the cam Unfortunately the ECU was ordered with secondary_trigger=VR that needs VR sectrig to work. Modification so it would work with HALL trigger is possible (see GenBoard/Manual/InputTriggerHardWare), only a solderblob needs to be removed, but disassemble+assemble might take 40 mins. Likely the 8 ignition coils will originally be driven with ign_dualout, so the 60-2 primary trigger is enough to run the engine. ---- '''Base timing''' We got the ABZ running with igndualout on 8 (S4 passive) COPs * trigger_tooth=decimal 13 * TDCdelay=60 degrees that is 13*6 + 60 = 138 degree, but we are uncertain if this is right. Cyl 1..4 seem to run, cyl5..8 seem not. Assuming firing order: 1-5-4-8-6-3-7-2 this was VERY supprising. Is the firing order correct ? * cyl 1..4 is left bank (1 is in front, at the timing end) * cyl 5..8 is right benk ('''5 is in front ? 5 is at the timing end ? THIS IS SUSPICIOUS''') '''Guesses''' * maybe the currently set base timing is waaay off. Maybe some cylinders fire 360 degrees off of the intended point. * Fuel rails are in series, that is cyl 5..8 get slightly lower pressure (should be negligible at idle). If you have some experience with this engine ? Do you have info on base timing ? trigger_tooth and ign_tdcdelay ? Did you strobe the engine ? 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.