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Views: 59,239

Posted By t vago

I just had a derp moment. I think it may easily...

I just had a derp moment. I think it may easily possible to have MPGuino calculate the usec/gallon and the injector microsecond delay, given two separate fillups. The procedure to do so will be...

Forum: OpenGauge / MPGuino FE computer

01-25-2017, 12:47 PM

Replies: 201

Views: 59,239

Posted By t vago

Updated the first post in this thread to be a bit...

Updated the first post in this thread to be a bit more easier to follow. Optional features have now been explicitly described as such. They can be enabled or disabled at compile time. Any exceptions...

Forum: OpenGauge / MPGuino FE computer

01-08-2017, 05:14 PM

Replies: 201

Views: 59,239

Posted By t vago

value = (number of fuel injectors) * (fuel flow...

value = (number of fuel injectors) * (fuel flow rate of each injector, in cc/min)

value = value * sqrt( (vehicle fuel pressure) / (injector test flow fuel pressure) )

value = 1 / value

value...

Forum: OpenGauge / MPGuino FE computer

01-07-2017, 09:12 PM

Replies: 201

Views: 59,239

Posted By t vago

I put in some basic stuff that actually idles the...

I put in some basic stuff that actually idles the CPU when MPGuino is active and is not actually calculating anything or capturing any signal. It should reduce power consumption somewhat.

...

Forum: Aerodynamics

12-27-2016, 01:55 PM

Replies: 205

1st Gen Toyota Tundra Aeroshell Build

Views: 90,102

Posted By aerohead

cork

It's a really good sensation.Cadillac-ride,without the mass.

Forum: OpenGauge / MPGuino FE computer

10-12-2016, 03:29 PM

Replies: 88

I have built an in-dash head unit graphical mpguino display

Views: 18,531

Posted By skybolt

I have built an in-dash head unit graphical mpguino display

I started by modifying a meelis mpguino, since that’s what I’d purchased. I added a tx out cable and soldered pins to the ISP header so I could deploy new sketches.

I’m less interested in...

Forum: Aerodynamics

08-17-2016, 03:19 AM

Replies: 205

1st Gen Toyota Tundra Aeroshell Build

Views: 90,102

Posted By Macskyver

I finished up laying out the cedar tonight. Next...

I finished up laying out the cedar tonight. Next up will be trimming the excess and lots of sanding.
...

Forum: EcoModding Central

07-14-2016, 02:31 PM

Replies: 35

Electrohydraulic Power Steering

Views: 12,333

Posted By t vago

No problemo. It's good to share information. ...

No problemo. It's good to share information.

I would agree, except there is nothing I can find within either the MR2 service manual or on the intertubes that points to a "pressure sensor," as...

Forum: EcoModding Central

07-14-2016, 11:55 AM

Replies: 35

Electrohydraulic Power Steering

Views: 12,333

Posted By t vago

I am not at all sure. From reading the Toyota MR2...

I am not at all sure. From reading the Toyota MR2 service manual, I gather that the pump itself is basically shut off at speeds above 12 MPH. The Durango certainly does not need power assisted...

Forum: EcoModding Central

09-05-2015, 11:08 AM

Replies: 477

Views: 129,719

Posted By pgfpro

On my engine my intake boost is more then exhaust...

On my engine my intake boost is more then exhaust pressure anywhere from
1 psi to 4 psi. On another compound DSM Kevin Jewer's 7 second 1/4 mile Talon hes running a much higher rpm then me and a...

Forum: EcoModding Central

09-05-2015, 12:15 AM

Replies: 477

Views: 129,719

Posted By pgfpro

Yes equal but usually more intake boost then back...

Yes equal but usually more intake boost then back pressure.

Forum: EcoModding Central

09-04-2015, 08:11 PM

Replies: 477

Views: 129,719

Posted By pgfpro

Going off my MAP sensor reading of 0 vacuum to 6...

Going off my MAP sensor reading of 0 vacuum to 6 psi of boost. Also data logging exhaust back pressure. Running a + engine delta p.

Forum: EcoModding Central

09-04-2015, 06:45 PM

Replies: 477

Views: 129,719

Posted By pgfpro

Nice question.:thumbup: This is one of the...

Nice question.:thumbup:

This is one of the things I wanted to find out when running a gasoline turbo compound system.

What I have found so far is at normal freeway speed the compound setup...

Forum: EcoModding Central

09-04-2015, 04:19 PM

Replies: 477

Views: 129,719

Posted By pgfpro

Thanks!!! On my compound system the small...

Thanks!!!

On my compound system the small turbo is connected to the head, it gets the exhaust first, once the small turbo reaches its set boost level the 44 mm wastegate opens and starts by...

Forum: EcoModding Central

03-24-2015, 10:33 AM

Replies: 477

Views: 129,719

Posted By pgfpro

Yes the Toluene is use as a fuel source to...

Yes the Toluene is use as a fuel source to improve my fuel mileage.
Here's a MSDS sheet on PPG Omni MS 251 clean up thinner.
http://secure.terrys.net/%5CMSDS%5COMNI%5CMS251.PDF
The PPG Omni MS 251...

Forum: Aerodynamics

12-31-2014, 02:48 PM

Replies: 229

Aerohead's going to the wind tunnel! We're passing the hat to help with costs.

Views: 45,765

Posted By aerohead

travels

I have a 3-ring binder of flow images at home but that won't help us today.
I'll link some off GOOGLE (automotive aerodynamic flow images)
http://www.exa.com/images/efficiency_truck.jpg...

Forum: EcoModding Central

11-27-2014, 12:18 PM

Replies: 53

experimental engine dyno project

Views: 10,837

Posted By fujioko

experimental engine dyno project

Some of you folks may remember my three cylinder G10 powered Miata from a few years ago. While that project was an overall success, it had limitations. Moving forward, I took what I learned from...

Forum: Aerodynamics

09-29-2014, 08:10 PM

Replies: 172

Boat tail - Redneck style...

Views: 58,550

Posted By redneck

. I thought I'd give another little update. ...

.

I thought I'd give another little update.

After returning home from my spring trip, I drove the car very little.

Local short trips.

624.6 mi 10.26 gal (US) 60.88 mpg (US)

Forum: General Efficiency Discussion

05-28-2014, 09:06 PM

Replies: 30

Delta Wing Street Car

Views: 4,965

Posted By Superfuelgero

https://www.youtube.com/watch?v=QQh56geU0X8

https://www.youtube.com/watch?v=QQh56geU0X8

Forum: OpenGauge / MPGuino FE computer

12-10-2013, 10:54 PM

Replies: 448

Views: 189,461

Posted By t vago

Ooo... you just asked for a novel. Sorry about...

Ooo... you just asked for a novel. Sorry about that.

In order to make the code as compact as possible and add all of the features I've added, it was necessary to make some complexity for each...

Forum: OpenGauge / MPGuino FE computer

11-02-2013, 06:45 PM

Replies: 448

Views: 189,461

Posted By t vago

I know... It was the only way I could think of to...

I know... It was the only way I could think of to distinguish the I/C/T characters from the labels. I suppose I could keep them steady, or something... I'm open to suggestions at this point.

...

Forum: OpenGauge / MPGuino FE computer

10-10-2013, 01:39 PM

Replies: 448

Views: 189,461

Posted By t vago

a 4k km test run? That would truly be awesome!...

a 4k km test run? That would truly be awesome! Are you going to be able to reprogram your MPGuino during this trip? Reason I'm asking, is because the code itself is still changing, although no longer...

Forum: OpenGauge / MPGuino FE computer

10-04-2013, 11:28 AM

Replies: 448

Views: 189,461

Posted By t vago

*headdesk* Edit: Finally kicked the butt of...

*headdesk*

Edit: Finally kicked the butt of the incorrect upper right segment for the number "7" of the spiffy number font. Changed the code to correctly support the left analog button as the 2k2...

Forum: OpenGauge / MPGuino FE computer

10-02-2013, 05:06 PM

Replies: 448

Views: 189,461

Posted By t vago

Got the button press debounce fix working....

Got the button press debounce fix working. (current MPGuino code version is at first post of this thread)

Debounce timing adjustments may be made by adjusting the following two lines in the code....

Forum: OpenGauge / MPGuino FE computer

10-01-2013, 02:32 PM

Replies: 448