Purple Drank tune dyno numbers 93 oct minor mods

[2010REDMS3]

so heres my results using Vdyno doing a 3rd gear pull.
1st question would i have had more accurate/better numbers doing a 4th gear pull?
2nd question do these numbers look low? mods are in sig
also i know ambient temp plays a factor and i live in FL so it always hot as hell.
3rd gear dyno.jpg
datalog5.csv
datalog6.csv

[Vansquish]

Post your log for this run.

[2010REDMS3]

Originally Posted by Vansquish Post your log for this run.

ill post the logs in a few hours when I get home from work.

[Vansquish]

For future reference, posting a picture without the data to go with it will not get you very far at all.

All I can tell you, based on that plot, is that you've got something very wrong with either A) the way you're taking logs, or B) the clutch is slipping badly.

[2010REDMS3]

Originally Posted by Vansquish For future reference, posting a picture without the data to go with it will not get you very far at all. All I can tell you, based on that plot, is that you've got something very wrong with either A) the way you're taking logs, or B) the clutch is slipping badly.

ok well it could be the way im taking the logs the clutch doesn't feel like its slipping and the car pulls fantastically better than when it was stock.

[Vansquish]

Originally Posted by 2010REDMS3 ok well it could be the way im taking the logs the clutch doesn't feel like its slipping and the car pulls fantastically better than when it was stock.

The reason I'm saying that is that there should be no discontinuities in the torque, power, or boost curves. It should all be a relatively smooth curve without any sudden spikes. That plot clearly doesn't fit that description.

For instance, here's a screen grab from a couple of plots overlaid on top of one another. The green curve is a K04 pull, and the blue curve is a BNR pull. Note the lack of sudden sharp changes of direction in any of the lines.

[Dommo14]

why are his AFRs going crazy like that?

[Vansquish]

Originally Posted by Dommo14 why are his AFRs going crazy like that?

It could be as simple as the tune targeting something like 11.4:1 and the ECU only knowing that 11.32 and 11.47 exist.

[nindoja]

Without seeing the data, my guess is that is a combination of wheel spin and SWAS kicking in.

[2010REDMS3]

OP updated with datalogs.
heres a fresh 4th gear pull with datalog.
4th gear dyno.jpg
datalog7.csv

[Snowing]

I'm tuned by Ryan from pd and I know he targets 20psi....youre hitting 13? Have you done your maf Cal yet?


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[2010REDMS3]

Originally Posted by Snowing I'm tuned by Ryan from pd and I know he targets 20psi....youre hitting 13? Have you done your maf Cal yet? Sent from my iPhone using Tapatalk

no I hit 20 and hold it for a while actually lol ive already been through the tuning process the map im running now is the final tune.
something Is up with the vdyno program, if you look at the datalog it shows I hit 20psi at 2900rpm but the dyno graph says I don't hit 20psi till about 3800rpm and if you look at the datalog I hold 20psi for a bit but the dyno graph shows it immediately dropping after I hit it.

[Vansquish]

Originally Posted by Snowing I'm tuned by Ryan from pd and I know he targets 20psi....youre hitting 13? Have you done your maf Cal yet? Sent from my iPhone using Tapatalk

You're looking at the wrong scale on the graph.

[Vansquish]

Originally Posted by 2010REDMS3 no I hit 20 and hold it for a while actually lol ive already been through the tuning process the map im running now is the final tune. something Is up with the vdyno program, if you look at the datalog it shows I hit 20psi at 2900rpm but the dyno graph says I don't hit 20psi till about 3800rpm and if you look at the datalog I hold 20psi for a bit but the dyno graph shows it immediately dropping after I hit it.

I disagree. The Vdyno graph shows precisely what the data suggests it should. In none of the datalogs that you posted is your car anywhere near 20psi at 2900rpm.

Your datalogs show that the car is hitting ~19.xxpsi by around 3200-3400rpm, peaking at around 20 by around 4000rpm, and then tapering off. This tracks with what a reasonably safe tune for the K04 should do.

Something is still very wrong with the logs/graphs though. You're having wheelspin, clutch slip, or SWAS is interfering with the pulls you're making.

Try turning SWAS off and take a 4th gear log on the flattest, straightest road you can find.

[2010REDMS3]

Originally Posted by Vansquish I disagree. The Vdyno graph shows precisely what the data suggests it should. In none of the datalogs that you posted is your car anywhere near 20psi at 2900rpm. Your datalogs show that the car is hitting ~19.xxpsi by around 3200-3400rpm, peaking at around 20 by around 4000rpm, and then tapering off. This tracks with what a reasonably safe tune for the K04 should do. Something is still very wrong with the logs/graphs though. You're having wheelspin, clutch slip, or SWAS is interfering with the pulls you're making. Try turning SWAS off and take a 4th gear log on the flattest, straightest road you can find.

so here its not showing 20psi at 2944rpm?
Untitled.jpg
Untitled1.jpg
Untitled2.jpg

[Omega]

Looks like power is where it should be ish.... I was making about the same on 93 on a 6 but not in FL heat... That also included a test-pipe though which I don't see in your mods including the drive-train loss it'd probably put you right there. Although there's something really wrong with the plot... definitely make sure the road is level and you're not logging while going over a bridge or something.

[Vansquish]

Originally Posted by 2010REDMS3 so here its not showing 20psi at 2944rpm? Attachment 224785 Attachment 224786 Attachment 224787

Originally Posted by Vansquish I disagree. The Vdyno graph shows precisely what the data suggests it should. In none of the datalogs that you posted is your car anywhere near 20psi at 2900rpm. Your datalogs show that the car is hitting ~19.xxpsi by around 3200-3400rpm, peaking at around 20 by around 4000rpm, and then tapering off. This tracks with what a reasonably safe tune for the K04 should do.

Highlighted for emphasis.

[2010REDMS3]

Originally Posted by Omega Looks like power is where it should be ish.... I was making about the same on 93 on a 6 but not in FL heat... That also included a test-pipe though which I don't see in your mods including the drive-train loss it'd probably put you right there. Although there's something really wrong with the plot... definitely make sure the road is level and you're not logging while going over a bridge or something.

it could be road conditions ive picked very straight roads to do these logs on but, they are still a bit banked and what not.

[Snowing]

Originally Posted by Vansquish You're looking at the wrong scale on the graph.

I'm looking at the datalog he posted...

[Vansquish]

Originally Posted by Snowing I'm looking at the datalog he posted...

Which one? Datalogs 5, 6, and 7 (the only ones I can seem to find) all show that he's hitting ~20psi, just not where in the rev-band he says he is.

[Atticaz]

Originally Posted by Vansquish Try turning SWAS off and take a 4th gear log on the flattest, straightest road you can find.

When you say turn the SWAS off, is that turned off when DSC is off? I turn off DSC before every pull and I get inconsistent vdyno power curves, on the exact same road. How much wheel turn would make SWAS kick in? I'm gen1, by the way.

[2010REDMS3]

Originally Posted by Atticaz When you say turn the SWAS off, is that turned off when DSC is off? I turn off DSC before every pull and I get inconsistent vdyno power curves, on the exact same road. How much wheel turn would make SWAS kick in? I'm gen1, by the way.

From what I read you physically have to unplug the SWAS

[Atticaz]

Originally Posted by 2010REDMS3 From what I read you physically have to unplug the SWAS

Hmm. I'll do some reading. SWAS is gay.

[2010REDMS3]

Originally Posted by Atticaz Hmm. I'll do some reading. SWAS is gay.

if all its doing is keeping me from getting accurate dyno numbers then I wont bother lol the butt dyno is happy so..

[Atticaz]

Originally Posted by 2010REDMS3 if all its doing is keeping me from getting accurate dyno numbers then I wont bother lol the butt dyno is happy so..

True dat. Just sucks when you wanna see the numbers. Lol. I guess I just need to hit up a Dyno Day. Butt Dyno is thrilled with every drive.

[2010REDMS3]

Originally Posted by Atticaz True dat. Just sucks when you wanna see the numbers. Lol. I guess I just need to hit up a Dyno Day. Butt Dyno is thrilled with every drive.

agreed.

[Snowing]

Post #10 . I'm on my cell so there's a good chance I missed something but datalog 7 was the latest post when I replied


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[2010REDMS3]

Originally Posted by Snowing Post #10 . I'm on my cell so there's a good chance I missed something but datalog 7 was the latest post when I replied Sent from my iPhone using Tapatalk

datalog 7 is actually the one where I posted the screenshots above showing me boost 20psi from 2944rpm to 4000+rpm the rpm and boost are outlined in red

[Omega]

You never answered my question if you have a test pipe.... If you had a test pipe you'd probably gain quite a bit of power... If you DO have one I'd expect to see higher numbers for you honestly.

[2010REDMS3]

Originally Posted by Omega You never answered my question if you have a test pipe.... If you had a test pipe you'd probably gain quite a bit of power... If you DO have one I'd expect to see higher numbers for you honestly.

oh sorry lol no I don't have a test pipe but I just ordered an fmic kit and a cpe catted dp

[Omega]

If that's the case then your numbers are right on point, you gain quite a large amount of power once removing the 2nd cat (regardless of DP or not). You'll see some decent gains from that -- keep in mind in the heat 93 will be limited, E85 is king .

Is your CPE a long downpipe that replaces the 2nd cat too? Not sure if companies still make a shorty DP (not including the test pipe section) -- but you need to get rid of that 2nd cat if it IS a shorty before you install that DP.

[2010REDMS3]

Originally Posted by Omega If that's the case then your numbers are right on point, you gain quite a large amount of power once removing the 2nd cat (regardless of DP or not). You'll see some decent gains from that -- keep in mind in the heat 93 will be limited, E85 is king .

yeah e85 will always be a limited option for me, closest station is an hour away

[Omega]

Ouch that sucks! I'm lucky I had a station open 5 mins from me! A lot of people will get a 15gallon gas caddy or several cans and go stock up once a month. Not that bad for the gains it provides, especially in the heat....

[2010REDMS3]

yeah that's why im getting the fmic I figured it would considerably help with the high BAT's. when I wake up it starts out at 77 degrees then by mid day its anywhere from 90-100 outside lol

[MS3Shadow]

Originally Posted by 2010REDMS3 yeah that's why im getting the fmic I figured it would considerably help with the high BAT's. when I wake up it starts out at 77 degrees then by mid day its anywhere from 90-100 outside lol

Which fmic kit did you get?

sent from my Nexus 6P

[2010REDMS3]

After doing a bit of research I decided to be cheap and get the cx racing kit, itll be effective for my mods and weather conditions and if I want I can always eventually upgrade the core.

[Atticaz]

Originally Posted by 2010REDMS3 yeah that's why im getting the fmic I figured it would considerably help with the high BAT's. when I wake up it starts out at 77 degrees then by mid day its anywhere from 90-100 outside lol

Same boat, here. Live in AZ.

[Cheapspeed]

You could spray meth for cooling purposes only, some people also are putting meth in the gas tank as well but not sure how economical that is.

[2010REDMS3]

meth in the gas tank eh? interesting lol, but yeah a friend of mine lives more south in FL than I do and with meth spray he pulls 66 degrees BAT whereas I pull 119-130 lol

[Erick13Speed3]

I just finished up my tune with Will. This was my 2nd to last revision. Same setup as you plus a TP and CP-e TMIC. Deleting the cat would definitely free up some power. I'm at 20psi aswell