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Quadzilla Adrenaline V2 Testing

TFaoro

By TFaoro
in Quadzilla Power

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Silverdodge

Silverdodge

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Colder denser air could account for the difference say if a turbo is spinning at 1000 Rpms at idle in 80 degree weather right now say we cool the air to say 20 or 10 degrees  for the given turbo rpm because it's going to drag in as much air as it can at a given shaft speed wouldn't that density change change the pressure in the intaketract in theory at least to an electronic sensor these trucks have cooler egts and faster boost in winter in my experience so I'd assume u could be making 2lbs at idle if the air being sucked in is dense enough

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Mopar1973Man

Mopar1973Man

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6 hours ago, Silverdodge said:

Colder denser air could account for the difference say if a turbo is spinning at 1000 Rpms at idle in 80 degree weather right now say we cool the air to say 20 or 10 degrees  for the given turbo rpm because it's going to drag in as much air as it can at a given shaft speed wouldn't that density change change the pressure in the intaketract in theory at least to an electronic sensor these trucks have cooler egts and faster boost in winter in my experience so I'd assume u could be making 2lbs at idle if the air being sucked in is dense enough

 

Uh... No. I'm looking at 2 gauges and my ISSPro shows exactly 0 PSI. The Quadzilla shows 2 PSI at idle. I'm sure I could hook up my old DiPricol boost gauge and verify but there is 0 PSI at idle. 

 

Regardless PSI is PSI. If you have 2 PSI at -30*F is still 2 PSI at 130*F. Colder air density has nothing to do with the measurement. Pound per square inch is exactly that regardless of the temperature. I know @ISX years ago did the math on the air density and what came out of it was the difference in moles (or molecules) its very tiny difference nothing a boost gauge would ever see from temperature to another. As for the sensor reading I know there is a difference for the late model truck as @Me78569 and myself have been playing with this for a while with the OBDLink data as well.

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Me78569

Me78569

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Issue is that the quad is reading PSI from the ecm directly at PSI levels below 16psi. 

 

4 months ago we did testing and found the current calculation shows 0 psi at idle, then a few months ago, nothing changed, all late trucks are now reading 2 psi at idle...    I can very easily adjust the calc to make it 0 at idle again, but I am betting it will then be a delayed psi reading like before the change.  

 

What this means is the ecm is seeing psi in a manner that is causing it to report psi differently now.  

 

The dipricol gauge is self contained and taking outside changes into consideration when reporting boost.  

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TFaoro

TFaoro

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7 hours ago, Me78569 said:

My truck doesn't show increased boost though, it's only on late model trucks.  

 

The sensor on the late trucks don't seem to account for baro.  how does one resolve that if there is no baro sensor haha?

Mine is still reading zero, but I am at altitude... idk what is up.

 

If I had to guess, it would be "better" to have a -2 offset during the summer because warmer less dense air will make it smoke a touch more. Then again, having it at 2psi during the winter doesn't make it smoke because of the cool dense air. Potato Patato

 

On 1/6/2017 at 9:20 PM, Me78569 said:

I know I have said it before, but I think the coding is "done"  @TFaoro happy so I am happy haha.  anything beyond this will likely be proof of concept, don't run on the street type stuff.  

 

I wouldn't go quite that far YET... I've been busy the last month setting up and running a business that my brother and I bought. I have a few things I'd like to see improved, but we'll get there. 

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TFaoro

TFaoro

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40 minutes ago, Me78569 said:

why do you hate me?  :whistle:  all your ideas turn out great though, so I am all ears. 

 

 

as to boost I dunno really,   I will look into it more once things warm up and we know one way or another than it is x, y, or z

I just like to keep your mind working :thumbup2: 

I sent you a text. I have some interesting info on HO trucks too. It's definitely weird. 

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TFaoro

TFaoro

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25 minutes ago, dripley said:

Please do tell on the HO trucks. Inquiring minds want to know.

 

 

I'll be driving the truck tomorrow, so I'll be able to see what it's doing, but for now I know at idle state the ECM is kicking out about 1* less timing than the SO trucks. That tells me the pump may be mechanically internally advanced by 1* as compared to the SO trucks. 

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TFaoro

TFaoro

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5 hours ago, Me78569 said:

@TFaoro I should have taped the convo last night when you said you really liked the timing and you were %100 happy and I don't ever need to code anything again :shifty:   Or at least thats what I heard.

:lmao: keep dreaming! There's always room for improvement my friend!

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Mopar1973Man

Mopar1973Man

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I got to say Thanks to @Me78569 for helping me fix my programming screw up. In my hurry last night I manage to cross my TPS values and created a very poor tune that dropped me from my 20a to mid teens. This over advanced my timing and pulled my MPGs way down. So to others make sure of your numbers you enter are correct. 

 

All I can say is D'Oh! :doh:

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Carbur8tr

Carbur8tr

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Wow I feel less than productive, sorry for the absence.

 

Also I wish I had more good news for you @Me78569 but I'm having trouble with the idle delay/high idle.  So far it's happened to me on at least a hand full of occasion where I would be just pulling up to a light just coming off the throttle and the high idle kicks in almost immediately.  Delay was set at 120 seconds and when it happens the truck is always below the warm up threshold.  I know you mentioned at one point in time that you and Spencer were working on the issue and I thought yall were good but yeah kinda odd.

 

Also I have had two occasion with loppy idle so that's been odd.  I haven't really changed much with my tunes since you last saw them either and again it always seems to be below the warm up threshold and right after pushing in the clutch when slowing down.

 

Just out of curiosity, is the high idle function just using increased fueling can bus in order to bring the RPMS up?  Only reason I ask is because my AC pulls the idle down significantly so I know it's not the ECM shooting for an RPM.  Before with the idle switch on high idle a load would pull it down but it would almost instantly compensate.  Not a problem here but just something I'm curious of.

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Me78569

Me78569

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If you don't have the quad high idle enabled then the quad isn't do anything at idle state.  TPS must be above 0% for the quad to send fueling commands or it has to have high idle enabled. 

 

 

If you have factory high idle enabled I would HIGHLY suggest not using the Quadzilla high idle as they do not play nice together.

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Me78569

Me78569

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This is how I feel right now.

 

giphy.gif

 

 

I have figure out how to hold fueling beyond redline on canbus tuning.... this is on lvl 3 AKA no wiretap, rev limit set at 3500 rpm.

Capture.PNG

 

Fueling was only about %25 of what it could have been as I didn't want to have something bad happen at full fueling. 

 

 

I am gonna spruce the code up, but I am guessing that a lot of guys will gain a lot more meat over 3200 rpm should they choose to use it.  

 

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