Dyno results

[badvik]

A truck with 3.55s will dyno higher than it would with 4.10s

I wonder how can it be like that?

 

[TylerB]

A gear change doesn't effect actual engine HP, it just the effects calculations as to how the machine obtains it's numbers. Here's a really good read. Remember a chassis dyno is a tuning tool!

 

[Lhemi]

A gear change doesn't effect actual engine HP, it just the effects calculations as to how the machine obtains it's numbers. Here's a really good read. Remember a chassis dyno is a tuning tool!

That was some killer info! Thanks!

 

[TylerB]

No problem Susan.

 

[Lhemi]

Bahahahaha!!!

 

[badvik]

A gear change doesn't effect actual engine HP

I thought we were talking about wheel HP. Sure engine HP does not depend on gear ratios. But on the same truck equipped with 3.55 or 4.10 the last one will show greater result on the wheels but not less, as you wrote:

A truck with 3.55s will dyno higher than it would with 4.10s

or I do understand something wrong...

 

[TylerB]

Another good bit of info I found, click the pic to zoom.

 

[badvik]

next week I will drive with a friend of mine on bone stock sport "13 8 speed to the same dyno. I'll share the results.
Also I've got an offer to get a Racelogic for a test-day - let's see. In July official Russian Drag racings will be held so may be I'll measure all classic times.

 

[Hemi_Express2013]

I find my most satisfying dyno runs are the ones I take on the street. Use the trinity to log.

 

[SIhemi]

How do you do that? That's cool.

 

[Lhemi]

He's just running a log and selecting what he wants to see.

 

[BlkXpress]

How accurate is the trinity though? Would be nice to compare an actual dyno to the trinity.....

Next time someones has a dyno run, it would be nice if they plug that ***** in too.

 

[badvik]

I find my most satisfying dyno runs are the ones I take on the street. Use the trinity to log.

Sorry, but i personally haven't quite good understand how those datas were obtained. Could you pls explain more? Was that measured and then graphed somehow by Diablo?

 

[badvik]

How accurate is the trinity though? Would be nice to compare an actual dyno to the trinity.....

Next time someones has a dyno run, it would be nice if they plug that ***** in too.

I could, actually, but am not good with Trinity logging. I have to log something for Sean from HF and can't understand how to do that ))
If somebody will write a foolprof instruction I can do that and we can compare to my dyno results. Not the graphs but peak rates.

 

[BlkXpress]

Sorry, but i personally haven't quite good understand how those datas were obtained. Could you pls explain more? Was that measured and then graphed somehow by Diablo?

He is using this software here....TT Dyno - Dyno software that can turn data logs from automotive tuning tools into real dyno graphs!

Wondering how accurate this all is... That's pretty cool to have unlimited access for $30.00, its just a matter of how accurate, dependable, etc.

 

[badvik]

They have 7 day trial, I will probably try it at the weekend.

 

[BlkXpress]

Let us know how it compares to your dyno results.

 

[Hemi_Express2013]

Sorry, but i personally haven't quite good understand how those datas were obtained. Could you pls explain more? Was that measured and then graphed somehow by Diablo?

So, you have to set up your trinity for data logging. You'll want to create a page that has RPM, MPHX64, and Engine run time. These will be your first 3 headers. You can log up to 8 parameters with the software. Once you do a log or two, download them into your dataviewer. On the file tab, pick export to cvs. I would create a file on your desktop and download it there but whatever works for you. Once you have the file, open the TTDyno software and load the file into the dyno. If you only have the trail version, it will only show the graph without the numbers.

Using the software is easy and is very accurate if you do the runs in the same stretch of road. You will need to take a record of outside temps, barometric pressure and humidity. Also, for our trucks DC is .422 and can't find the manufactures specs on frontal area so I use the 2006-2008 frontal area of 36. In my case I have run plenty of time on Dynos, I find that being on the road produces different results. I always have more horsepower on the road than TQ. On the dyno it's the reverse.

The nice thing about this software, it's real conditions in the real world. There are more variables to control on the road, even a seam in the road can throw things off. Pick a nice,clean straight stretch. It will show you what you have and how any mods have improved and hurt your preformance.

You can do these without being stopped, I start mine in whatever gear @ usually 3000Rpm. But the hard part is not downshifting so use the gear select and pick your gear.

I've found that 30 hp increase with the vararam on the road with this, but it didn't show up on the dyno 2 weeks ago in Long Island.

As with any Dyno, it's a tool, but it's a fun tool and worth getting more from your Trinity for the money. The more you use it, the better and more accurate your sheets will be. Accurate enough to show you if what you have done has made a difference for sure.

 

[badvik]

Also, for our trucks DC is .422 and can't find the manufactures specs on frontal area so I use the 2006-2008 frontal area of 36. In my case I have run plenty of time on Dynos, I find that being on the road produces different results. I always have more horsepower on the road than TQ. On the dyno it's the reverse.
I've found that 30 hp increase with the vararam on the road with this, but it didn't show up on the dyno 2 weeks ago in Long Island.

Thanks, man, I'll try it! If I'm ok with it I'll buy it, nop problem.
As for DC I found in a promotion brochure .386 for 2012 and .363 for 2013 - "1% reduction due to active grill shutters".
If this measuring are ok, then by this way we can surely see the difference in vararam air increase which should work after 50-60 mph. And you can never see that effect on dyno, only if you put a truck large fan before the car and try it off and then on ))
Thks one more time for the instruction.

 

[badvik]

Well as we can see here:
http://www.ramforum.com/f44/2014_ram_1500_dyno_results-49550/

it seems that 8-sp truck has really excellent stock properties compare e.g. to 6-sp.
Unfortunately I cannot get my buddy with bone stock Sport to drive to the dyno.