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| Jaguar XJS V12 racing car |
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| AdeV:
--- Quote from: xjr5006 on November 25, 2015, 03:21:18 PM ---Before you go any further the last of the V12s X300? has a coil pack valley plate and 2 x 6 pack coils units. My friend in Germany couldn't find one so made his own but here in the UK you might be luckier. http://www.jaguarforums.com/g/album/2795059 --- End quote --- Hi Don, That's a lovely valley plate alright, but I'm guessing those coil packs fire all 6 plugs at once? I'm looking to run fully sequential sparks - probably overkill I know, I could run 1/2 as many coils and simply run 2 plugs off each coil; but I'm a masochist and want my 12 COPs.... Also, I still need some way of sensing the cam position, and to my mind the dizzy drive is still the most obvious option, per the new & improved CAD diagram below (which isn't properly scaled or located yet). Just about the only valid reason I know of to avoid wasted spark ignition, is with crazy overlap cams - it's possible (highly unlikely... but possible) to fire the intake charge while the intake & exhaust valves are still open, but I'm pretty sure even my cam isn't that wild... PS: I'll call on Friday, work is mental just now... |
| xjr5006:
Get yourself a dissy from and XJRS that had Zytec, It has the 12 choppers but also another ring with just the one tooth. They have dodgy pickups with odd voltages so a dead one might come very cheap and just add a suitable pickup. Another place for the single pickup is the back of the B cam. I have this on my XJR5 for real early Lucus Micos injection system. |
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