Matt Cramer
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Everything posted by Matt Cramer
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FYI, those "resets" are just communication glitches. If the reset were real, SecL would reset to zero and stay there. A lot of the other odd spikes also seem to be communication related and not really happening, either.
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We've been using individual thermocouples to test cylinder by cylinder tuning. It's almost certain to be out before the end of the year, and has a better than 50-50 chance of being out in the next 4 months.
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We've been testing one out - it has a much larger feature set, but whether it's worth waiting for will depend on your needs. You will be able to upgrade an existing MS1 or MS2 to MS3 when the MS3 is out.
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That may be a serial communications glitch. I would need to see the whole data log and not a screen shot to tell for sure.
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Configuring a V2.2 board for VR input can be done, but is a bit involved. We have a daughterboard that can do this however: http://www.diyautotune.com/tech_articles/zeal_daughterboard_assembly.htm Or you could just use a HEI module. That's what I would do: http://www.msextra.com/doc/ms1extra/MS_Extra_Ignition_Hardware_Manual.htm#gm7hei
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I think in your case the pulse width is barely longer than the PWM time threshold. You may need to tune the PWM criteria at a point where you have more pulse width (but still aren't under serious load - you don't want to lean it out at full throttle!).
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The melted screw on the VB921 is a classic sign you've overheated the VB921 and made it burn out. You'll like the new BIP373; it's nearly impossible to burn one out even if you try. (And I tried a lot of things before we brought them to market, believe me!)
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It will - treat the SHO DIS like it's a TFI. It is not as easy as EDIS to put on a new install, but if you have a SHO engine in your Z...
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I don't have one but I have talked with a few people who have them. Most RB users have converted to an EDIS type ignition. When you do that, it doesn't present any big challenges. There's a couple people on the MSExtra.com forums on the MS2 development and MS3 development subforums experimenting with using the RB CAS as well.
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PM me with your email address and I can send you its INI file.
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Usually, that's caused by a hiccup in the serial communications. Get a single wrong character inserted or missing into a line and the entire line is full of garbage. Doesn't have any real effect other than annoying you when you play the log back.
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Problem getting it to fire - please check my MSQ
Matt Cramer replied to trwebb26's topic in MegaSquirt
If the plugs are wet with fuel, you're probably flooding it. Try backing off the cranking pulse width a bit and see if that helps. -
My Dart project was using them with a resistor pack - I'll probably go to PWM soon though. I'd just left the opening time at the default 1.0 but hadn't tried to really dial them in.
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We have a mirror of the MS1/Extra manual stored on our site.
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We use TunerStudio for most of our own tuning. The interface can look almost exactly like MegaTune if you're used to MegaTune, but you have more adjustment options. Its ability to automatically detect port settings and firmware makes it a lot more forgiving of newbie mistakes, too.
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One other tip - try isolating the case from the chassis.
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You can email us at websales@diyautotune.com to set up a warranty repair.
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Take the lid off; you'll see the LEDs inside it.
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'79 N/A 280zx MSnS Install - Variable Reluctor Dizzy
Matt Cramer replied to 2.8.0.z.x's topic in MegaSquirt
It can be used, biggest issue is how to lock out the mechanical advance. Are you using a V2.2 or V3.0/V3.57 board? -
Aeromotive's spec says this one adds pressure in a 1:1 ratio with boost, which is usually what we recommend. You can use MegaSquirt with a rising rate regulator, though it makes your VE tables look funny.
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I'm running these in my Dart... and they can be wired either way.
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Right, you only need the mods with other spare outputs.
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Yes, pin 30 / PM2 allows you to control a relay that controls a fan. No mods to the board are required to use this.
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Most 1990s era VWs have a simple 2 wire PWM valve that has convenient hose end fittings on it. We haven't tested what frequency they run at best though.
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Different coils seem to need different resistors, but I've used 1K's with LS1s with no trouble.