jayroc

I could try 65 to see if it'll help with hotstarts. But I don't think being 5 degrees off is my problem with hot starts. Cold starts are more friendly and only being off by 5 degrees should not prevent starting to the extent that it is.

I mentioned this to Mike earlier, but I was wondering.. Did you use a v3 board to determine the FAQ settings? I read before that the conditioner on the v3 board has "built in hysteresis", compared to the lm1815 circuit on the error daughterboard. According to the post I was reading on msefi, the hysteresis gives the v3 conditioner circuit a more "hall like" property which is what I think allows the use of trigger return. The addon lm1815 is for the two tooth wheel, right?
Also, I remember reading that you have a v2.2 board or two for testing, so maybe the shielded cable I got is not as good at filtering as the stock FC cable? I have no issues with noise, so far as I can tell from my logs it's a very stable signal. Would adjusting the potentioments on the error board be beneficial to my problem?

muythaibxr

I don't think this is a noise issue, or an issue of the vr sensor conditioner, so adjusting the pots on the ms 2.2 board would most likely not help.

on a v3 board, the hysteresis is controlled by turning a pot, but I have my pots on my v3 board both turned fully counter-clockwise, basically removing any hysteresis. I've had no problems with that setup.

Tofuball is running a 2.2 board with dual lm1815's, and I'm running a v3 board, and neither of us have this problem. Tofuball is running a 60 deg trigger angle (as am I). He is using 1,3 and 7,9, and I'm using 12,2 and 6,8. Neither of us has a problem getting the engine to start the way we expect.

I'd really like to see what resetting to 1,3 and 7,9 does for you with a CAS restab... just follow the instructions I gave above and you should be able to restab without a problem. You just have to take the cover off the CAS to do it.

I determined the settings in the FAQ by looking at the CAS position when stabbed in the stock position.... I figured that if people are installing on their already-running 2nd gens, getting it to run without a CAS restab would be the best... I determined the original settings on a 2.2 board.

Trigger-return was originally meant for a hall-sensor-equipped car without a wheel, but with the regular MSnS code (for a distributor with the same # of teeth as cylinders). The leading edge of the hall signal would start dwell, and the trailing edge would cause spark or something like that.

With the wheel decoder code, trigger return changed so that the trigger would be on one tooth, and the return on another... and the behavior would be the same as MSnS mode with a hall sensor.

jayroc

I'll definitely try that this weekend when I get back to my car and let you know.
I plan on installing a seperate starter switch this weekend also. The one on the column is getting wore out and sometimes causes problems (sticks or won't engage the starter) when I am trying to work on other starting issues. The hole where the choke used to be could use something in its place anyways.
Feels weird that I am the only one having this type problem.. Oh, well, as long as I can get it sorted.

muythaibxr

well most of us are running 13b's with stock intakes... you're running a 12a with a custom intake... I think that could be part of the problem... different engine, different parameters...

jayroc

Yeah, definitely true. I was hoping for some closer common ground in the settings, though, but the FAQ has plenty of info that helped get me going, so I'm not complaining.

jayroc

I just bought a FC!
Found an awesome deal on one and picked it up yesterday. Runs pretty damn good too, though it needs a new gas tank or at least a good flushing of the old one.

I will still try to tune my FB some, though it runs really well, and starts fairly well. I'll try and do the CAS restab tomorrow, but this FC needs some attention as it will become my DD..
Unfortunately, I am trying to sell my FB with the kit, or the kit seperate, so I don't know how much longer I'll be able to mess with it...

dbgeek

Bumping because I found a good bit of useful info in here.