Search found 10 matches

by zjasonz
Sat Sep 24, 2011 5:22 am
Forum: Datalog Viewing, Graphing and Analysis
Topic: datalogging to decipher stock timing map
Replies: 8
Views: 3967

Re: datalogging to decipher stock timing map

Not an exhaustive one but I have searched for timing map databases. Since each motor is different I see that a database would only benfit people running bone stock motors which is not the goal of anyone using MS. I am starting to think that ultimately it doesn't matter and I should follow the same ...
by zjasonz
Fri Sep 23, 2011 5:57 pm
Forum: Datalog Viewing, Graphing and Analysis
Topic: datalogging to decipher stock timing map
Replies: 8
Views: 3967

Re: datalogging to decipher stock timing map

That sounds like a great way to get the base advance curve very close to optimal. What is left are the tricky parts of the map that a dyno tune can reveal. I am curious about the possibility of accurately seeing actual timing. If the factory timing map could be duplicated before tuning fuel, I think ...
by zjasonz
Thu Sep 22, 2011 7:18 pm
Forum: Datalog Viewing, Graphing and Analysis
Topic: datalogging to decipher stock timing map
Replies: 8
Views: 3967

Re: datalogging to decipher stock timing map

Thanks for the responses. So I guess I first need to figure out how to pickup the spark output signal, maybe a tachometer? Then figure out how to input this signal to MS. Then graph this signal versus load and rpm. I'll keep digging.

Thanks
by zjasonz
Sat Sep 17, 2011 7:07 pm
Forum: Datalog Viewing, Graphing and Analysis
Topic: datalogging to decipher stock timing map
Replies: 8
Views: 3967

datalogging to decipher stock timing map

I am wondering if data logging can be used as a tool to read a factory ignition map if the megasquirt is run in parallel with the stock ecu. I intend to run a stock 2001 pathfinder vq35de in a datsun 280z. In the future I would like a single turbo upgrade. I want to be able to run either computer ...
by zjasonz
Thu Jul 15, 2010 3:18 pm
Forum: MS-II Ignition Setup, Tuning, and Troubleshooting
Topic: I modified my MS2, unsure about spark settings
Replies: 2
Views: 287

Re: I modified my MS2, unsure about spark settings

Thanks Lance! That is what I suspected and now I know why. I appreciate you taking the time to help.
by zjasonz
Tue Jul 13, 2010 9:22 pm
Forum: MS-II Ignition Setup, Tuning, and Troubleshooting
Topic: I modified my MS2, unsure about spark settings
Replies: 2
Views: 287

I modified my MS2, unsure about spark settings

I purchased an MS2 v3.57 from DIY for a Datsun 280Z SBC TBI conversion. It was ordered set up for EDIS although I am starting out with only an early style HEI distributor. I then added the BIP373 transistor and modified the board per the DIY tutorial for direct coil control and installed the MS2 on ...
by zjasonz
Sat Mar 13, 2010 2:32 pm
Forum: MS-II Ignition Setup, Tuning, and Troubleshooting
Topic: 85 Nissan 300ZX turbo no start MS2 ver3.57 firmware 2.890
Replies: 5
Views: 389

Re: 85 Nissan 300ZX turbo no start MS2 ver3.57 firmware 2.890

Everybody point and laugh at the noob! Apparently I have no ignition driver installed at Q16. I'm off to read some more and may try to use the stock transistor, but will probably order the BIP373. And Instead of experimenting with the stock coil, there may be some well proven settings on another ...
by zjasonz
Fri Mar 12, 2010 6:21 pm
Forum: MS-II Ignition Setup, Tuning, and Troubleshooting
Topic: 85 Nissan 300ZX turbo no start MS2 ver3.57 firmware 2.890
Replies: 5
Views: 389

Re: 85 Nissan 300ZX turbo no start MS2 ver3.57 firmware 2.890

The injectors aren't firing when MS is powered down, but I though I read there was a possibility of ECU or driver damage if they were wired this way? I can't seem to find where I read that, but anyway the injectors aren't leaking down, I'm just being overly cautious I guess. Thanks for the like, I ...
by zjasonz
Fri Mar 12, 2010 4:34 pm
Forum: MS-II Ignition Setup, Tuning, and Troubleshooting
Topic: 85 Nissan 300ZX turbo no start MS2 ver3.57 firmware 2.890
Replies: 5
Views: 389

Re: 85 Nissan 300ZX turbo no start MS2 ver3.57 firmware 2.890

Thanks for responding. Yes, I do see 250 to 300 rpm in Tuner Studio during cranking. It fluctuates a little but seems to coincide with the engine and looks accurate. I think I might try to flash the firmware again. I burned some settings while the stim was turned on, and while the car was on, but ...
by zjasonz
Thu Mar 11, 2010 7:00 pm
Forum: MS-II Ignition Setup, Tuning, and Troubleshooting
Topic: 85 Nissan 300ZX turbo no start MS2 ver3.57 firmware 2.890
Replies: 5
Views: 389

85 Nissan 300ZX turbo no start MS2 ver3.57 firmware 2.890

I am attempting direct coil control using the stock Nissan optical sensor and I am hesitant to keep trying to start the
car. I have read a lot and followed the writeups on DIY's site and a few Nissan specific sites. I am pretty sure it is wired correctly and I have some basic setting wrong. I ...