Hi Martin. The TEC3 uses a wasted spark technique also. (There are actually only three coils, each firing two cylinders.) Steve --- Martin Gutkowski <martin@xxxxxxxxxxxxxx> wrote: > > > Hi Steve > > Yeah, we're "lucky" but the snag is that it only > works if you're going > to use the stock ECU as the trigger wheel is > bizarre. With the 25 turbo, > even if I had an ecu, I wouldn't want to use it as > it uses a speed sense > to limit boost in low gears, has a top end of under > a bar of boost and I > don't have the IACV valve for wastegate control (and > don't need it with > the size of the D's rear tyres). It also uses an > idlespeed mixture > control valve. The ECU for the Alpine A610 would be > good but is set up > for a 3 litre lump. I looked at Electromotive thanks > to your site but > the price put me off big-time. I was thinking of > doing exactly as you > with the trigger wheel but spacing out the > compressor, water pump > pulley, alternator pulley and ac idlers out by 1/8" > to accommodate the > trigger wheel, but the SDS system just uses magnets > on the pulley - much > easier, and although it's sneered at a little in the > TEC3 manual, I > don't see that it will be much less accurate- > perhaps a tiny fraction, > but they (say they) get around it by making sure > they use decent coil > packs with a good duration on the plug. > > Quick question for you: are you using full > sequential ignition? It's > completely unnecessary (the Renault setup uses > wasted spark) but it > occurred to me in the pub just now (very condusive > to clarity of > thought!) that my RPM signal is going to be 2x what > my Rev counter wants > and will screw up the idlespeed system as well as > the rev counter. On > the SDS there's no idlespeed control but the > idlespeed valve on the R25 > is unsurprisingly identical to the DeLorean's so I > can just use a idle > microswitch (handy therefore that the throttle pot > incorporates one > anyway!) and the original system. > > Just in case there're still other people reading > this thread and haven't > yet fallen asleep, I've put some pics of my engine > at the following URL. > I took these shots mainly so I had some record of > how everything came > apart. Yes it's really dirty - it sat in this guy's > back garden for 2 > years but internally it's as sound as a pound with > only the timing chain > guides showing any real wear. I'm going to have > everything tested anyay > but I expect the crank to be spot on - the bearings > are all still pearly > white and the bores aren't scored. This engine was > very much de-tuned > for the 25 Turbo > > http://www.delorean.co.uk/turboprv.zip > > One of the photos shows the flywheel and you can see > it's identical to > the DeLorean's except for the trigger wheel > > Martin > > Steve Stankiewicz wrote: > > >> > >> > >That's where you've got one up on us here in the > >States. With no access to that bellhousing, I went > >through the trouble of carefully trimming the > trigger > >ring off of the Eagle's automatic flexplate, > indexing > >it, adding tabs and attaching it to the Delorean > >flywheel, then adding a pickup mount on the > Delorean > >bellhousing only to bail out on the whole system > and > >go with the aftermarket fuel management system. > > > >Can't wait to see how your setup turns out! > > > >If you need any photos or measurements off of the > >Eagle engines, just let me know. > > > >===== > >Steve > > > > > > [Non-text portions of this message have been > removed] > > > > > > > To address comments privately to the moderating > team, please address: > moderators@xxxxxxxxxxx > > For more info on the list, tech articles, cars for > sale see www.dmcnews.com > > To search the archives or view files, log in at > http://groups.yahoo.com/group/dmcnews > Yahoo! Groups Links > > > dmcnews-unsubscribe@xxxxxxxxxxxxxxx > > > > > > __________________________________ Do you Yahoo!? All your favorites on one personal page ? Try My Yahoo! http://my.yahoo.com To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/