Megasquirt Project, .....IT RUNS ! Options

[Michelj13]

Hi,

Although I have been a member for a while (since I purchased my 914), I have not posted much. I still love my 914 and it's is interesting how this car drives like an absolute go-cart.

Anyway, my engine is a carbed 2270 that I built up with the help of many including Jake, and I am now embarking on a Megasquirt project. As many know, megasquirt is relatively inexpensive for a programmable FI system. I find, however, that there is too much information out there that it is nothing short of confusing. I want to share my progress so that at the end of the day, some may learn and may become less intimidated. Hopefully I will be successful....we'll see.

I have so many questions that I will post, along with some things that I have already learned. ANY and ALL comments appreciated.

I made a youtube video of my progress up to date. Enjoy!

http://www.youtube.com/watch?v=RoJfMZ9YgQc

Michel (IMG:style_emoticons/default/smile.gif)

[Michelj13]

I spent a little time changing my .msq file. Please make any comment you wish. Will be starting the engine again (hopefully) tomorrow. (IMG:style_emoticons/default/smile.gif)

Here are my revised AFR, ADV, and VE tables.

[JamesM]

Also, depending on where you are idleing you will probably need to drop the advance at 1200RPM down to around 10 or below as well. What is going to happen with your current setup is the MS will average the 900 and 1200 RPM value depending on what RPM it is as between those, so say you are idleing at 1000RPM it will have your timming around 12deg which may get you back into that runaway situation where the speed will increase and in turn cause the advance to increase.

If you set both the 900 and 1200 range to the same value then any speed between those 2 RPMs will be locked at whatever advance you set. This will help stabilize your idle quite a bit. I would probably drop both those columns down to 8deg at least.

Your target AFRs up top are pretty rich as well, I would set the max around 12.5