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Showing results 31 to 60 of 178
Search took 0.01 seconds; generated 99 minute(s) ago. Search: Posts Made By: arghx7
Forum: Software Tuning 03-09-2014, 11:50 AM
Replies: 28
Views: 11,298
Posted By arghx7
I know I just threw out a long post and people...

I know I just threw out a long post and people are like "so what, what reading I believe? what should I do?" Let me throw in there that I'm all for having more instrumentation if you're willing to...
Forum: Software Tuning 03-09-2014, 11:13 AM
Replies: 28
Views: 11,298
Posted By arghx7
This is always a hot button topic. I see...

This is always a hot button topic. I see widebands, any wideband really, as just another tool. This issue of "accuracy" is even more complicated than most people realize. The reasons are:...
Forum: Software Tuning 03-08-2014, 09:18 AM
Replies: 349
Views: 123,611
Posted By arghx7
I know the AVCS is not totally on topic, but just...

I know the AVCS is not totally on topic, but just for clarification before we move on:

http://www.ft86club.com/forums/attachment.php?attachmentid=69619&stc=1&d=1394283992

These systems are...
Forum: Engine, Exhaust, Transmission 03-06-2014, 01:26 PM
Replies: 15
Views: 10,079
Posted By arghx7
You do have 5x as many posts as me in like half...

You do have 5x as many posts as me in like half the time...:D
Forum: Engine, Exhaust, Transmission 03-06-2014, 09:55 AM
Replies: 15
Views: 10,079
Posted By arghx7
There's decel fuel cut, throttle closing, etc. ...

There's decel fuel cut, throttle closing, etc. But let's go back to basics here--humor me for a second on my line of thinking. What's the difference between this, a covered wagon,
...
Forum: Software Tuning 03-05-2014, 01:30 PM
Replies: 349
Views: 123,611
Posted By arghx7
I think there's still a debate (well, in my mind...

I think there's still a debate (well, in my mind at least) whether the noise is a problem for everyone to be concerned about, beyond being annoying. Is it like a creaking suspension--not necessarily...
Forum: Software Tuning 03-05-2014, 12:04 PM
Replies: 349
Views: 123,611
Posted By arghx7
Agreed. 36-2-1 , or 57 teeth, or all the other...

Agreed. 36-2-1 , or 57 teeth, or all the other arrangements for modern crank position sensors, is still better than a Hall sensor with a few slots in it.



Yup, that's an inherent hardware...
Forum: Software Tuning 03-05-2014, 09:51 AM
Replies: 349
Views: 123,611
Posted By arghx7
If there really is a significant interaction...

If there really is a significant interaction between transient cam phasing control and transient DI fuel pressure control, it's due to limitations in the feed forward control of the DI spill...
Forum: Software Tuning 02-28-2014, 10:55 PM
Replies: 349
Views: 123,611
Posted By arghx7
I don't know exactly what's going on here, but I...

I don't know exactly what's going on here, but I can at least post about a few things that I've had some experience with. I'm not an NVH expert but I've had some exposure to it on a system design...
Forum: Software Tuning 02-23-2014, 02:02 PM
Replies: 20
Views: 11,619
Posted By arghx7
You have to be careful here. Ethanol is always...

You have to be careful here. Ethanol is always going to be "richer" in the literal sense of air to fuel ratio than gasoline because its stoichiometric point is richer. However, it can require less...
Forum: Engine, Exhaust, Transmission 02-20-2014, 09:05 AM
Replies: 23
Views: 9,401
Posted By arghx7
A few things: 1. The temperature reading is...

A few things:

1. The temperature reading is going to depend on where you locate the sensor/thermocouple. Generally speaking, the closer to the exhaust port, the hotter it will be (unless you...
Forum: Software Tuning 02-18-2014, 05:17 PM
Replies: 17
Views: 4,647
Posted By arghx7
There's no standard calculation of volumetric...

There's no standard calculation of volumetric efficiency. It's a term that's thrown around all the time and it's hard to compare one set of numbers to another. Generally speaking, it's the amount...
Forum: Software Tuning 02-13-2014, 12:29 PM
Replies: 14
Views: 5,007
Posted By arghx7
How would retarded spark change the pulse tuning...

How would retarded spark change the pulse tuning enough to matter if the exhaust valve opening events are the same?
Forum: Software Tuning 02-08-2014, 04:51 PM
Replies: 274
Views: 122,519
Posted By arghx7
Some rules of thumb to understand about cam...

Some rules of thumb to understand about cam timing:

Overlap

1)When the overlap occurs before top dead center intake, with the intake valve opening early, air/mixture pushes back into the intake...
Forum: Software Tuning 02-08-2014, 11:38 AM
Replies: 274
Views: 122,519
Posted By arghx7
There's a difference between the specification of...

There's a difference between the specification of the phaser, i.e. its adjustment range as advertised by the supplier, and the amount of cam phasing used in the final production calibration.
...
Forum: Software Tuning 02-08-2014, 10:52 AM
Replies: 274
Views: 122,519
Posted By arghx7
Reference for above statement, from the pdf,...

Reference for above statement, from the pdf, assuming it is accurate on some level:

http://www.ft86club.com/forums/attachment.php?attachmentid=66450&stc=1&d=1391870473

regarding duration,...
Forum: Software Tuning 02-07-2014, 06:46 PM
Replies: 17
Views: 7,388
Posted By arghx7
You can roughly figure out EOI timing for the DI...

You can roughly figure out EOI timing for the DI if you have SOI and duration, using a formula. It would be better to read it off the ECU though, because there may be some other thing/modifier going...
Forum: Software Tuning 02-07-2014, 04:38 PM
Replies: 17
Views: 7,388
Posted By arghx7
I think the more likely scenario is that during...

I think the more likely scenario is that during initial reverse engineering of the ECU, ECUTek didn't know much about injection timing in a quantitative or numerical sense. Considering very few...
Forum: Software Tuning 02-06-2014, 05:05 PM
Replies: 47
Views: 17,937
Posted By arghx7
Thank you for the kind words and I hope my posts...

Thank you for the kind words and I hope my posts are helpful. Sometimes I think I'm too detailed.
Forum: Software Tuning 02-06-2014, 04:12 PM
Replies: 47
Views: 17,937
Posted By arghx7
Here's something to keep in mind. Some would...

Here's something to keep in mind. Some would probably object to what I'm saying, but neither Injector Dynamics nor DeatschWerks "invent" or "design" injectors. They resell parts from Bosch, they...
Forum: Software Tuning 02-05-2014, 02:21 PM
Replies: 27
Views: 5,438
Posted By arghx7
In my experience, lots people who want to get...

In my experience, lots people who want to get into tuning think "what buttons do I push and in what order to make my car go faster?" That's really not a good way of looking at it.

So I have to...
Forum: Software Tuning 02-05-2014, 10:43 AM
Replies: 55
Views: 14,670
Posted By arghx7
Just a public service announcement here... I...

Just a public service announcement here...

I haven't kept up with all the various threads about FA20club, Visconti, Vishnu, etc. But I've been in their shoes. And I've also been on the other...
Forum: Software Tuning 02-02-2014, 09:51 PM
Replies: 11
Views: 7,526
Posted By arghx7
A properly set MBC will always beat a jacked up...

A properly set MBC will always beat a jacked up EBC tune. But people make EBC tuning way more complicated than it has to be for basic functionality.

Remember that you can get simple MBC...
Forum: Engine, Exhaust, Transmission 02-02-2014, 03:51 PM
Replies: 5
Views: 2,250
Posted By arghx7
Which engine(s) was this? Got a link to the...

Which engine(s) was this? Got a link to the TSBs?



Sure, under certain circumstances it could. And under others it could improved. The only way to tell for sure requires a combustion...
Forum: Software Tuning 01-31-2014, 04:53 PM
Replies: 16
Views: 5,104
Posted By arghx7
Really there are two main risks then. 1 is that,...

Really there are two main risks then. 1 is that, over time your cat would degrade due to the tune and you would fail--but even then you probably won't see it on a hot test. The second risk is that...
Forum: Software Tuning 01-31-2014, 02:42 PM
Replies: 16
Views: 5,104
Posted By arghx7
Is this more like a technical question about how...

Is this more like a technical question about how emissions are effected from aftermarket parts and tune, or is it a "if I do x mods, will it cause me to fail this required test in my locality?"...
Forum: Engine, Exhaust, Transmission 01-27-2014, 04:37 PM
Replies: 150
Views: 57,515
Posted By arghx7
Well here's where it gets tricky. .050" is about...

Well here's where it gets tricky. .050" is about 1.25mm . That's a lot of lift to be rating your duration at. You're ignoring possibly many degrees of valve opening time. 0.05" may be standard for...
Forum: Engine, Exhaust, Transmission 01-23-2014, 08:08 PM
Replies: 34
Views: 31,770
Posted By arghx7
This is a good topic. While there isn't really a...

This is a good topic. While there isn't really a totally standard way to do this testing, the most common way is to run steady-state rpm and torque/load points with a loading dyno. An engine dyno...
Forum: Engine, Exhaust, Transmission 01-21-2014, 09:55 PM
Replies: 150
Views: 57,515
Posted By arghx7
A couple things to keep in mind, besides the...

A couple things to keep in mind, besides the obvious fact this engine has direct injection. I don't know what the valve angle is, but steeper valve angle = better possibilities for head flow. ...
Forum: Engine, Exhaust, Transmission 01-21-2014, 02:29 PM
Replies: 150
Views: 57,515
Posted By arghx7
Thank you for being understanding.

Thank you for being understanding.
Showing results 31 to 60 of 178
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