The MegaSquirt Project has experienced explosive growth other the years, with hundreds of new MS installations occurring every week - a phenomenal success! MegaSquirt has been successfully used in all aspects of Internal Combustion engine applications including R&D, Industry, Race, and Research. The MS project has transformed itself from a simple R&D project into a full-featured mature engine control system. To reflect this the support structure has also changed to meet the needs of MegaSquirt Users.
Moving forward, the R&D forums for MegaSquirt project are in a read-only mode - no new forum posts are accepted.
However the forums will remain available for view, they still contain a wealth of information on how MegaSquirt works, how it is installed and used. Feel free to search the forums for information, facts, and overview.While the R&D forum traffic has slowed in recent years, this is not at all a reflection of Megasquirt users, which continue to grow year after year. What has changed is that the method of MegaSquirt support today has rapidly moved to Facebook, this is where the vast majority of interaction is happening now. For those not on Facebook the msextra forums is another place for product support. Finally, for product selection assistance, all of the MegaSquirt vendors are there to help you select a system, along with all of the required pieces to make it complete.
This weekend I had my first successful megasquirt run. Started up right away, after I fixed a crimped return line, and idled fine after I changed the warmup enrichment for a minute or so. The megasquirt is controlling spark and fuel using the GM 8-pin HEI and stock injectors.
I have not driven it yet, but so far the default tune seems very serviceable for my engine. Seeing how the tune is for a 350 TPI, that makes sense
Hi there, I'm considering this software for a TPI 302 for my S10 truck. Now that you've had this on, how well is it running on your 305 and what kind of fuel economy are you getting? Thanks.
Toehead can you share with me what setup your using for your ignition for instance how it's wired?, what you have your ignition and dwell settings at and also what Version of MS and board are you running.
Wow, didn't realize I had gotten any responses. I will post back with the settings.... My car is at home and I have a few weeks of school left.
It is the regular 8 pin HEI with the external coil.
It is running great, drivable as stock.
Not sure on the fuel mileage... I didnt get a chance to calculate it.
So, with the coming of summer, I get a fresh crop of problems...
For one, I keep burning up ignition modules, or so I thought. After going through about 3 (free lifetime replacement), I came to the conclusion that it must be somehting else. Turns out that when my car got into the hot summer sun, the module signal dropped below the voltage required to cleanly trigger the hall effect circuit in the megasquirt, resulting in a loss of tach signal and all the symptoms of a dead module.
After I did the HEI input modification (ms extra), the problem went away.... although one of the modules actually WAS bad.
A word to the wise... Don't buy the GP sorenson, Standard, or any other china-made modules. They just don't work correctly and put out a signal that is MUCH weaker then the GM ones. They may come with a lifetime replacement warantee, but after you need to use it a few times it isn't worth it.