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The TIG

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  1. I machined my own 36-1 trigger wheel for the crank and used a MAP sensor on intake runner 1 instead of a cam angle sensor. I roughed in a base tune and it fired right up and idled okay. Since I've been working at getting the ITB's synced up and obviously plenty more time will be spent on the laptop.
  2. @pikonshin, I don't mean to hijack your thread, but I am also running some Hayabusa ITB's on a project I'm doing and I was wondering if you are using the injectors from the Hayabusa as well, and if so, what generation. I've been having trouble finding the specs for the injectors.
  3. Where would be the best place to put the missing tooth on a high revving flat plane crank V8? What would be the ideal tooth count 36-1, 36-2 or something else?
  4. I'm converting to ITB's on a Ferrari 308 and using one Link Extreme G4X and planning to run sequential injection and ignition. I've set up a few standalone ECU's on my own on other engines in the past. What I would like to do is run the factory Ferrari crank angle sensor with it's 144 teeth with zero missing and then run my own camshaft trigger set up with one tooth for synching purposes. My understanding is that the number of crank teeth should divide evenly into 360 degrees but I have seen that there is an F40 trigger set up in the Link software. I know there are many similaries between these engines, however I have been unable to find the details and was hoping somehow I can make that setting work. In one crank rotation the OEM system uses the 144 teeth (non missing) on the crank with one crank angle sensor, and 2 teeth on the camshaft and two separate cam angle sensors. There are 2 separate ignition control units, distributors and ignition coils. I also read in another post on this forum that "You generally want your gap to be in an area of least crank acceleration. For a 1, 2 or 4 cylinder, 90deg before or after TDC is a good position. For most engines 5 cylinders and up the crank acceleration is smooth enough that position is less critical (ignoring odd-balls like flat plane V8's)." So I was also wondering what other advice I should have being that the 308 engine does have a flat plane crank. I appreciate any guidance any of you can provide for my set up. Thank you in advance.
  5. Kelvin from the CarTune company pointed out and now you've confirmed it. I corrected the problem as well as a few other suggestions he gave me with my tune and it's running significantly better even with the damaged coils. I'm looking forward to getting the new coils and hoping for even more improvement. Anybody looking to learn about 1UZ's and wiring them as well as general knowledge and great explanations you need to check out his youtube channel "CartuneNZ". https://www.youtube.com/user/CartuneNZ Thank you Kelvin, Adamw and Simon.
  6. Log 2019-07-24 2;10;56 pm.llg Here is a log of it idling in my driveway. And some trigger scope images.
  7. Here is the tune that was on it when the coils failed this time. It's a different tune than when the first pair of coils on the same cylinders failed. I have a log file from the drive where the coils failed a second time but it's about 12.5MB and it's too big to upload. I'll get a smaller log file of it running and post it later. Nige 1UZFE VVTi 20190723.2.pclr
  8. I'm running a Link ECU running wasted spark on a 1UZ VVTi. I have cylinder 2 and 3 firing together. The vehicle ran great at first but then it started developing a misfire in the first day of driving it when it was hot. At first I thought it was a tuning problem and kept trying to sort it out. Eventually I decided to have a look at the spark plugs and then I noticed the ignition coils on cylinders 2 and 3 had split open. I had a look at the wiring and can't figure out how it could be wired differently than the other pairs of coil on plugs. I bought two more OEM coils and plugged them in and the truck ran beautifully again for a couple hours, then the misfire came back and now these replacement coils on cylinder 2 and 3 have split open. Any ideas why it would just be these two and the other six are fine. These two were much hotter to the touch than the rest.
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