 Lotta fun with Megasquirt, Autotune, tunes while you drive |
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| DNHunt |
 Jan 14 2006, 08:24 AM
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914 Wizard? No way. I got too much to learn.  Group: Members Posts: 4,099 Joined: 21-April 03 From: Gig Harbor, WA Member No.: 598  |
I downloaded a newer version of Megasquirt with autotune. It uses a wideband O2 meter to adjust the air fuel mixture to a target while you drive. The targets vary according to RPM and manifold vacuum. I have a high of 14 at cruise and a low of 12.6 at WOT. Megasquit keeps adjusting until the amount of fuel gives the desired voltage from the O2 meter. It speeds up tuning a ton. (IMG:http://www.914world.com/bbs2/html/emoticons/smilie_pokal.gif)
It's cool to see it changing without any key strokes on the computer. There are a couple things to consider (there always are). Tuning is only as good as the O2 meter and the air fuel mixture is just a number pulled out of the air. It will not tune the ignition side of the ECU. So, when I get everything sorted out and the engine well broken in it still goes on a dyno. Dave |
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| Gary |
Jan 15 2006, 09:53 PM
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Senior Member Group: Members Posts: 748 Joined: 12-January 03 From: Mount Airy, MD Member No.: 134 Region Association: MidAtlantic Region 
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Some pretty cool stuff going on over in the megasquirt forum. 2006 is shaping up to be an interesting year. Check out the microsquirt controller and GPIO board. The fast WBO2 controller looks very interesting but less mature...
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Posts in this topic
DNHunt Lotta fun with Megasquirt Jan 14 2006, 08:24 AM
nsyr Sounds great. i have ms2 v3 that i will be using i... Jan 14 2006, 09:06 AM Tom Perso Hey Dave,
Nice to hear that - I upgraded the firm... Jan 14 2006, 10:01 AM DNHunt Andrew
Play with it on the stim first to see how ... Jan 14 2006, 10:25 AM bd1308 so what if you dont have any data for the high RPM... Jan 14 2006, 10:33 AM DNHunt Britt
Autotune will tune it BUT, I quess I'm ... Jan 14 2006, 10:56 AM Hydra I've just received my MSI v3, i'm right in... Jan 14 2006, 11:44 AM lapuwali I'd use something with less teeth than 36-1. ... Jan 14 2006, 01:51 PM DNHunt The MS 1 8-bit processor is full to the gills. The... Jan 14 2006, 07:09 PM airsix Jan 14 2006, 08:02 PM fiid I'm still using MSTweak for my tuning. From w... Jan 14 2006, 08:30 PM yarin Jan 14 2006, 11:36 PM lapuwali Actually, you probably don't want to use MSII ... Jan 15 2006, 12:59 AM Tom Perso I'm still up in the air with my ignition trigg... Jan 15 2006, 06:49 AM DNHunt The system I'm using is really working well, b... Jan 15 2006, 07:41 AM stock93 Dave,
Thanks for the post. I always like to hear a... Jan 15 2006, 09:44 AM crash914 I am still waiting for my MS2 chip....I guess I co... Jan 15 2006, 03:56 PM Rocky Dave, heard and saw you buzzin Hwy 16 yesterday an... Jan 15 2006, 08:04 PM DNHunt Hey Rocky good to hear from you. I've been ter... Jan 16 2006, 08:32 AM yarin Wow.. those guys are certainly cranking out some a... Jan 16 2006, 08:42 AM Hydra this topic is getting more interesting by the minu... Jan 16 2006, 09:00 AM DNHunt Yarin
I wish I could help you but, I'm runnin... Jan 16 2006, 09:09 AM yarin Thanks for the response Dave. I posted my question... Jan 16 2006, 03:09 PM yarin I learned a hell of a lot from this post regarding... Jan 16 2006, 03:39 PM
Rocky Yea Dave, we do need to get together. I work way ... Jan 16 2006, 09:42 PM |
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