gemellocattivo.com

and I'm off and rolling on the front caliper brackets....and too cheap to use the right size metal to start with because if I turn the part just right I can fit it on a smaller piece even thought it will be a pain in the a$$ to machine.

I'm also a litte surprised no one even blinked an eye when I said each cylinder is getting it's own O2 sensor....I thought it was both clever and the ultimate in excess!...well not the ultimate becasue they aren't WBO2 sensors, but still

After all this time we really don't blink at all for anything you are doing. I thought it was nice you can read them all. The wiring will look . . . . . . . busy?

_________________
Wade Williams
Master Ferrari Tech
Restoration Tech
Engine Machinist
Fabricator
Racecar Driver

LOL - fair enough

Keeping the wiring clean is going to be a challenge.....I'm thinking or putting the sensors maybe 4-8" from the head, maybe on a 30-45 angle so they look a bit less in your face then run the wire harness along to lower edge of the cam covers. I also bought plugs for the bungs so if it ends up ugly I can pop them off when the tuning is finished.

That's because 1/2 the time I don't understand what's going on... But it always LOOKS good!

Yes, don't want it to look like a dyno cell with all the wires and sensors. Although that is exactly what it will be.

_________________
Wade Williams
Master Ferrari Tech
Restoration Tech
Engine Machinist
Fabricator
Racecar Driver

Same here. That's why I throw out a "you da man" or " that's sweet" most of the time.

don't be afraid to ask. 12 O2 sensors means I no what the fuel mixture is in each cylinder, not just the engine as a whole. This will let me perfectly match the ITBs so the engine will run smoother at low power and make more power at high power....so its a good thing. Most ECUs can't read that many sensors and can't adjust the cylinders separately....a motec M150 can so in my mind it would simply be wasteful not to take advantage of this

What's going on today is Lana realized that John talked me into new coils and I talked myself into 12 O2 sensors.....In Ukrainian Svitlana is basically pronounce Sweet Lana but there was no sweet Lana tonight

+1

Looking good...

Check the amp requirements for those 12 coils, hopefully you won't need a second battery.

I know you've bought the coils at this point and this may not matter much, but see if you can dig up the technical data on the coils, spark energy, amp etc.. Coils vary a fair amount as they are designed for specific applications in terms of compression ratio, fuel etc.. I ended up doing a fair amount of research on coils when I went to COP for the builds, wanted to make sure that the energy delivered to the plug was enough. I have a link or paper somewhere with good technical data on a variety of coils.. . I'll see if I can dig it up.

Oh and careful with orientation and stacking or placing the coils too close to each other, inductive effects (EM coupling, magnetic flux linkage) can create link'd and/or weak spark, not always an issue but something to be aware of.

basic info covered by Maclaren: http://www.mclarenelectronics.com/Produ ... ion%20Note

The power to charge 12 separate coils should be slightly less than 6 double coils because doubles waste 1/2 the spark energy right? It's something like 6A for 4ms per cylinder no matter I guess. Where I really added load is the 12 more o2 sensors so now 14 total. I'm not sure on the WB sensors but the NB heaters draw like 2.4A cold and 0.5A hot so almost 30A cold!...so 2 16g wires? Thats a lot of power the poor little alternator needs to put out!

The actual specs on the coils I have to ask for.....my main criteria was that they were inexpensive - 162 for 8!

It says ls-1, ls-2, ls-6 which is an odd combination as ls-1, 6 use 1 coil and ls-2, 4, 7 another.....these are D585 it says which is the hotter ls-2, 4, 7 coil as I understand it anyway so I think they should be a plenty hot spark and hopefully decent qulaity wise. I'm guessing the low price is because the guy found a Chinese source and just hasn't realized yet that you can't run an import/export direct retail business on the normal 20% speedshop markup.

I put a set of real ls-2 coils on a 308 6 or 8 years ago and it worked fine. Not sure where the pics are but I just cut spacers to give about 1mm space between the coils and ran threaded rod though, it was setup as 2 rows or 4. On my supercharged monster it was waste spark and that worked fine too which is why I was headed waste spark on this build because it was a bit neater packaging wise......but there is a LOT of stuff that needs stuffing in this engine bay so what's another 6 coils right?