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MSDS for the VP booster: http://www.vpracing.com.au/sites/default/files/Australian%20Octanium%20%20US%20International%20SDS.pdf

Interesting read. Would have figured they'd be more reliant on MTBE...

I've observed similar behavior on some, but not all, dynos. I never actually thought to try and correlate the results to see what the cause was, however. It could be as simple as blow by from a loose...

Get an ethanol tester and see what the E content is. It may simply be that your tune was done with E15 and that station had E0. Ethanol is good at keeping detonation at bay so the difference between...

Agreed; this would likely prove tremendously useful!

No disagreement! If I were running your feature/bug backlog, it definitely wouldn't be making it to the top of the list anytime soon. There are SO many other things to work on which are much better...

Not that I'm an advocate for locking (personally, I think it's a feature-add/bonus that HPT no longer supports locking) but it could be accomplished by using custom OS's with remapped table locations...

Anybody here dabbled with logging brake pressure and steering angle on a C6Z using the MPVI Pro? Unfortunately, the PID's don't appear supported but I'm wondering about piping them into the A/D...

Chris, what sort of logic is running in the "main thread" which would cause the ECM to want to revise the fuel squirt? Seems completely dodgy to me to not just "do it right the first time" as a...

I agree completely; I still can't think of a single scenario where the benefits outweigh the hassle. The "stay in the linear region of the injector" thing just doesn't seem to apply to any modern...

Ok, did a bit more digging on this. From what I've found, it seems like the core application for this is to handle non-linearity of injector flow at high IPW's. By halving the IPW and firing twice,...

An OE application wouldn't be running something like a Deka 220 on anything other than CNG/LPG where it's not going to have the same sorts of issues we encounter on it in a gas/alcohol situation...

Unless there's competition involved, I don't personally consider it an issue. I know some folks get all "ants in the pants" but I figure you paid for it, so it's yours to do with as you please. As...

While I understand the intent behind such a notion, the fact is that there are SO many other things inducing error into your WB reading (exh. pulse delay, exh. temps, sensor temps, "micro"-leaks,...

Interesting! I've not seen such behavior (as described) in an ECM before, and I can't really think of a reason why one would really want such a feature. That said, I wonder if perhaps it's a selector...

Regardless of how you meant to ask the question, the answer is still the same -- YES, they are worth the money if you want the features/benefits (outlined above) that they offer. Some folks would...

Can you post a screen shot, preferably with the mouse over the setting so the "help file" text is displayed? Unfortunately, not everyone sees the same settings as different OS's have different things...

What is this "makeup mode" you're referring to? A search on here only turned up posts by you asking about it. One of those posts mentions "stratified injection", but I'd guess Camaro's are still port...

Desoot mode is fine when you're running 11.4:1 AFR in an N/A application that only occasionally sees WOT (e.g. an OE calibrated street car that will build up soot and NEED to be de-sooted). When...

Shift speed isn't just about the opening or closing of a solenoid; it's also about the movement of the fluid in the trans via valves and springs in the valve body. Although you may be able to tell...

In doing my own digging on PE-entry related issues, I have come across some folks claiming that there are certain time-related PE settings which supposedly are available/used within the ECU...

Has anyone written a tool to "repair" an "invalid log file"? I've got a log I took this morning which I started and stopped using the same process I always use, but when I try to open it in VCM...

In furtherance of this, clicking at a point in the log, and then pressing "SHIFT" to select the area up to the next spot clicked (or scrolled to with the arrow keys) in the log so we can zoom to that...

http://www.mediafire.com/file/kad7iu8771r0mo5/EQ_VE5.zip Worked fine for me.

I noticed over the last few days that the VCM Scanner app was beginning to run slower and slower when it came to opening and closing log files (using the same single instance kept open for probably a...

That's another way of working around the issue, but it's still a proxy vs. simply being able to filter on any PID. Some things don't have proxies to "work around" the inability to filter on bools --...