Dust settled on my MS6 tune 263hp & 303lb/ft
 

I got Stratified tuned a while back and just kind of finished up working all of my car's bugs out (phantom KR, WOT MAF cal, other weirdness). My logs are super clean now and consistent. It took me a while to finally get this 3" intake dialed in; I was running lean at WOT by about 10% which was throwing off the calculate load and AFRs which was causing some KR that I couldn't shake from 4500-5500. After getting the WOT MAF cal down finally, AFRs are where they are supposed to be and no more KR.

For my mods on the MS6, it looks like my numbers are pretty much in line with others' Speed6's on shit SoCal gas; This is smoothing = 3, CF = 1.01. This is with the mods in my sig. Probably a pickup of about 40-50HP and same LB/FT over stock so with my mods it seems about right.

http://www.intergate.com/~rpurcell/m...as_it_gets.jpg

I attached the datalog that made this graph. At this point, I guess it's all about the turbo if I want to get some more go power. I am pretty much bolted except a down pipe which I am probably not going to do.

Dam can't see mods with taptalk but I'm gunna say nice anyways.

Sent from Tap tap mod

Sweeeetttt

You floor it at 2,300rpm? Floor at 3,000 to pick up more power. :D

Please explain... Not sure if you are fooling me or not. :D

What I noticed from my logs is that when I go WOT a bit later I usually get more hp on the VD, probably has to do with turbo spool. Do five WOT runs on the same day, mash the gas pedal at 2500, 2750, 3000, 3250, and 3500, compare in VD and you'll see.

Hmmm... Didn't work for me. Here you see my original run (yellow), a run starting at ~2,500, a run starting at ~2,700 and a run starting at ~3200. On the plus side, my shit is hella consistent.

http://www.intergate.com/~rpurcell/m...s_it_gets2.jpg

Were the runs right after another? Could be heat soak maybe. I always thought I felt more power if I floored it at higher rpms too.

Sent from Tap tap mod

u feel more power because it hits right away, instead of waiting for the spool and the slow power ramp. u will make the same power either way, it will just feel different.

edit: btw that graph looks good

Nice numbers man. You're ballsy for running 16+PSI under 3000RPM though. :biggrin:

Maybe this is why. :D Or maybe I got some weird WOT log myself where VD showed like 10hp more when I floored a bit later. :D

But I agree with others, the log looks good. The only thing that stands out for me is the HPFP pressure, I am usually in the 1750-1850 range at WOT, then when I let off I have a spike to +1900, sometimes +2000 psi for a few rows, and then the pressure drops somewhat down; see the attached logs for an example. In your log, the FP pressure is still climbing after you let go off gas. :D

Balls. He has it.

Nice - I find it interesting that my car just wouldn't give any more than ~16lbs @6k and you seemingly have no issues. Wonder if thats the TMIC or bigger intake side that's helping...

Fixed.

You should compare our logs; I bet that you are flowing as much air as I am at lower boost levels. You are probably flowing as well as me and more efficiently.

Yeah - I gotta fire up the lappy and yank a log off it and check it out.

Are you on the stock TMIC? When I switched from stock to a corksport TMIC, I started overboosting. I believe it has something to do with pressure drop across the intercooler. The turbo isn't working as hard to push air through the TMIC, so it can make a little more boost, more easily. The bigger intake probably helps as well.

@dale_gribble; Do you have any access to ethanol?

I find the same thing. I am down into the 15s even pretty much anywhere above 5500K. This is in 30* ambients as well. I was hoping my DP would have helped me there but no such luck. I run an ~E25 mix though so quite a bit more timing and looks like a little more flow/hp at the lower boost. Wouldn't mind running the same timing I do at 18 psi though:scratchchin:

Edit: Plots do look nice and very consistent. I can never get mine to lie right on top of each other like yours. Im usually within +/- 10 hp/tq but not as consistent as the plots of yours above

Yeah, stock top mount. I've long questioned that what i've see may be due to the stock TMIC's ability to flow and like you said, the pressure drop across it.

Yeah, I don't think the stock TMIC is a bottleneck or a restriction, but the core design just isn't as efficient. It gets the job done, but IMO, aftermarket TMICs are the way to go. I was targeting 17PSI and hitting it consistently, but when I changed to the corksport, I was suddenly hitting 20PSI.

As others have stated, I wouldn't let the dust settle on that tune with it hitting 16psi at 24XX rpm....

Hmm ok - Thanks! Gotta try to snatch up a good deal on here ;)

I'm just really surprised you're able to run those kind of boost levels with an intake and test pipe. I could see 18psi but 20's nice. I'm becoming more convicted these 3" intakes are making a huge difference. And not having to change out the DP is awesome.

Was that to me?

I was hitting 20 with my cobb tih, aem cai, racepipe and tmic. The 3" gave me an extra 10-20g/s across the board. That's just what happens with a Stratified Tune!

Nice to see those results! I am wanting to go Stratified in a month or so.

Check this out for consistency. 16 days later on another stretch of road... 3 more consecutive runs. You can see the very slight dip in torque due to heat soaking on the consecutive runs. I was overboosting for a bit in the cold air (40-50F) over the last week, so I had to bring the WGDC table down about 20% across the board to hold my targets (targeting 20.5 @ 3500 tapering to 18.5 @ 6500). The thing is hitting its AFR targets, hitting its boost targets, 0 kr and the power is smooth and clean. I couldn't ask for more. There comes a time in the tuning learning process where some pieces of the puzzle begin to fall into place. Working with Lex's solid tune @Lex as a foundation makes it much easier to explore, because I can always roll back to his baseline and know I have a good tune. Call it adventure with security.

Part of me says just leave it alone and just enjoy it and the other part says, ok, maybe a little more timing until I start seeing some KR... :-D

http://www.intergate.com/~rpurcell/m..._Jan242013.jpg

Up the timing just a little bit and see where it takes ya on VD. If anything you can always dial it back again. Either way your runs are very consistent.

I run 20 psi with just a gutted testpipe
Edit: +1 on adding some timing!

Hmm. I may need to look at cheaping out and just gutting that damn thing. I'm about to install the Cobb EBCS and will have to look at upping my boost targets when I retune.

Ok, dust didn't settle I guess. I have been tweaking my tune. Here's where I am at now. Look how much flatter I got the HP curve after the peak to redline. That's an extra 10HP to redline and I can really feel it. The car feels a lot different when it holds that HP to redline. 0 kr, clean ass logs back to back to back.

I got the boost curve smoother and picked up HP from adding a little timing at a time north of the HP peak ~5k.

http://www.intergate.com/~rpurcell/m...5_Feb12012.jpg