ECMlink 16g @ 410hp

[obsidian]

So the general consensus is 10lb/min is 100hp

Here is my log from tonights pull.

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tons of mods but the major ones are....

16g
3" exhaust
950cc injectors
255 wally
ecmlink
Maxed out MBC (25psi spike and settles to 20-22psi)
HKS 272 Intake and Exhaust cams.

If anyone wants to see the log then they're welcome to it.

The main reason I'm posting this is because there is tons of people who ask if the 16g is capable of x amount of power.

Well here is mine using the rule of thumb of 10lb/min = 100hp

My restrictions in this now are the intake filter, 2g exhaust manifold, non-ported evo3 o2 housing, and the small section of stock piping on my downpipe.

 

[GSX2699]

WoW man that's pretty impressive I can't wait to see what my s16g can do! Stock cams?

 

[snowborder714]

Wait - so you're saying since you're flowing 40 lbs/min that your car makes 400hp? WTF

Not true. I flow ~38 lbs/min (give or take a couple) on my small 16g and I'm no where close to 400hp.

Post up the log. Looks like you have a good bit of knock going on as well which is pulling timing and hurting your power.

 

[obsidian]

Not sure how I can post up the log on here. I just have it as the way it saves from ECMlink.

I'm using the general rule of thumb there sir. AWD dynos that I trust are no where around me and money is always tight. Going off of a buddy who builds some of the best cars on the gulf coast, the 10lb/min = 100hp is a pretty good rule.

So yes, I believe I am pushing 410hp to the crank, not the wheels. Do not mistake my number for whp please.

Sorry I totally forgot to mention that I am on HKS 272 Intake and Exhaust cams.

And about the knock, it's only about 2.1 degrees. Nothing to worry about. I have my alarm to go off at 5 degrees. AFRs are steady 10.8-11.2 once above 4k rpm.

 

[boost97gst]

The 1lb=10hp is a very very liberal gauge to go by. The knock im seeing in the logs almost guarantees me that you are not at 410hp. Its pulling timing. Timing is crucial to making that 1lb-10hp rule work. Afrs are important. Cam timing and possibly porting and polishing. Basically everything has to be working at peak efficiency to get this rule of thumb to actually work.

I had no doubt at 52lbs i was not at 520hp .

Your mafraw and maf are near identical so you are at 40lbs. Id say good work and if youre real curious, get to a dyno and report back. Im interested. Sure others are too.

 

[snowborder714]

You upload a log by click the Go Advanced button below the post box and using the Upload/Edit Photos button, you locate the file(s) on your computer and upload them.

Nobody talks about hp numbers to the crank around here

Having your knock light on at 5° is pretty high. If you're comfortable with it, then that's fine, but I typically recommend 2-3°.

 

[Black95TSIawd]

2.1 degrees is about 6 counts of knock. I wouldn't want 6 counts in my tune. Might as well lower the timing do away with the knock.

My old big 16g gave me about 40lbs a min of airflow. With 12 degrees of timing up top on 93 octane, I was trapping 111-112mph.

 

[School Boy]

I am interested as well. What intake manifold are you using?

 

[snowborder714]

1. The log you uploaded is not the same as the one pictured.

2. Either you weren't going WOT for that log or your TPS is seriously out of adjustment.

3. I'll reserve other comments until I see an actual WOT pull.

 

[obsidian]

Proper log attached.

I believe that maybe I meant 5cts of knock is what the light and gauge go off at. I'll have to double check.

Please, if you guys see something wrong than let me know! I <3 learning.

I have a 1g manifold that I ported and mildly polished myself with a custom complete EGR system delete.

 

[snowborder714]

Thanks for the proper log.

I'm assuming your AFR comment above was based on the AFRatioEst value and not your wideband (which you need to get logged). This value is not to be trusted as it will show what the ECU targets. It will only show what the actual AFR is when you have your airflow dialed in perfectly. Also keep in mind that the AEM wideband can be a bit finicky with link.

Please stick to either using the sliders or the DA tables - I'd recommend the DA tables. Much better since they take load into account.

Your MAF Comp sliders are all over the place (somewhat expected with a GM MAF). These sliders should have smooth transitions between the Hz levels so as to not cause abrupt changes in the airflow the ECU is seeing. I'd be willing to guess that your idle tune is not optimal.

You really should redo your DA fuel table, as well as get a different timing table in there. The fuel table needs to be smoother and target a leaner AFR than the factory 9.x:1. The timing table on 1g's goes pretty high and can cause knock. I'd recommend throwing in the Evo 8 mod1 tables.
evo8v3settings [ECMTuning - wiki]

 

[obsidian]

I appreciate all of the comments and any helpful information. I've got work tomorrow so I'm settling down for the night.

I'll attempt to tune out all of the knock tomorrow and get another couple of pulls.

Only one AWD dyno in my area and I don't really trust them so much.

I have the AEM UEGO wideband but it's just not currently hardwired into my ECM. No time for it lately. The o2 sensor you see if the stock one in the front. My wideband is set into my downpipe just behind where the oil pan sits.

Thank you for the advice. I'll definitely look into it. Speed density is in the future but I have very limited funds right now.

 

[danielsl1999gsx]

Ehhhh a fresh 16g should get you close to 400 whp. I dyno @ 360hp/325tq on my 4 year old 16g pushing 25lbs. It did not want to make any more boost after that . On a side note my buddy did make 412hp on a fwd car he dyno

 

[snowborder714]

I could see someone with an Evo 3 obtaining that goal, but I think a big 16g would be much harder because of the reduced flow.

 

[boost97gst]

Ehhhh a fresh 16g should get you close to 400 whp. I dyno @ 360hp/325tq on my 4 year old 16g pushing 25lbs. It did not want to make any more boost after that . On a side note my buddy did make 412hp on a fwd car he dyno

Yea, def achievable. Especially with fwd. Puts more of the power to the wheels. A bit less drivetrain loss to cope with. Im sure he was running balls out, e85 or race gas and knows how to tune timing pretty well?

 

[LandSpeed-DSM]

1lb/10hp figure is often misused. It's an optimistic potential for gasoline, additionally its usually referencing power at the crank.

Further, you will have wildly different power numbers for 41lb/min @ 6500 compared to that same flow rate at 8500. It makes a good short hand description of what your systems potential to make power is. If you know your "race weight" tire size, gear ratios and a bit of basic physics involving force required to accelerate a given mass (taking liberties with parasitic losses) you can get an idea of how much you're actually making.

Its why you will hear that trap speed v. weight is a better indicator than dyno sheets.

 

[c2ypt1c]

Not to mention your airflow is not even dialed in (mafcomp is virtually zero'd out)...post a log with wbfactor or map to compare boostest @5500rpm

your airflow has little-to-no value...

 

[1qkfwd]

Would be nice if that equation was true. My 14b logs 36-37lbs/min. That's with my SD VE tables all lined up.

 

[Phantom DSM]

I appreciate all of the comments and any helpful information. I've got work tomorrow so I'm settling down for the night.

I'll attempt to tune out all of the knock tomorrow and get another couple of pulls.

Only one AWD dyno in my area and I don't really trust them so much.

I have the AEM UEGO wideband but it's just not currently hardwired into my ECM. No time for it lately. The o2 sensor you see if the stock one in the front. My wideband is set into my downpipe just behind where the oil pan sits.

Thank you for the advice. I'll definitely look into it. Speed density is in the future but I have very limited funds right now.

Ive logged 43 lb/min from my fp 68hta but i doubt im over 400 hp, i have a lot of tuning to do and fight off knock since it pulls timing. Stupid pump gas 91 octane
Highly recommend speed density as well, you will love it.
Im curious if you pulled that much airflow from a 16g, thats pretty cool... is it a small, big, or Evo III 16g ?? The serial number on the compressor housing can tell if in doubt.

 

[Dsmkauai]

With my s16g, small 16g with 10cm turbine housing. The max I ever logged was 37lb/min at 20psi boost, and was enough to get me 12.4's and trap 113! Anymore boost and it was less efficient, I had that sucker maxed out . I wish I could have dyno'd the setup, I'm thinking I was around 350-360hp so the o.p. has to be talking about a evo3 if you ask me. Ahh I see in his profile it says big 16g so he is also maxed out .

 

[Phantom DSM]

With my s16g, small 16g with 10cm turbine housing. The max I ever logged was 37lb/min at 20psi boost, and was enough to get me 12.4's and trap 113! Anymore boost and it was less efficient, I had that sucker maxed out

Nice ! i always wondered what the small could pull off, its a wonder turbo Were you running 93 octane man? how much timing at top end or any knock ?

 

[Dsmkauai]

At the track were my best logs happen I ran 100oct. My timing curve was nasty bro thanks to the 100oct it pretty much would rise as boost was I was around 19-20 degrees up top. And only would see knock if I messed my nlts's up . I'll try to post a log in a bit from my best pass. Ya I loved my old setup even on the street with pump 92 it was a blast my secondary map brought timing down to around 14 or so up top if I remember correctly and was about all I could get without introducing knock.

 

[Phantom DSM]

With my s16g, small 16g with 10cm turbine housing. The max I ever logged was 37lb/min at 20psi boost, and was enough to get me 12.4's and trap 113! Anymore boost and it was less efficient, I had that sucker maxed out . I wish I could have dyno'd the setup, I'm thinking I was around 350-360hp so the o.p. has to be talking about a evo3 if you ask me. Ahh I see in his profile it says big 16g so he is also maxed out .

I didnt even check his profile.. Big 16g with Evo III o2 housing. Nice combo, and if he is pulling 40 lb/min..wow Thats pretty good ! If he ports the o2 housing, there might be a little left in this turbo to 24 psi, but thats pushing it.

20 degrees timing advance on 100 octane, thats pretty good top end power curve bro ! Fighting knock gets pretty tough, its good you didnt have to pull some timing.

 

[95talongirl]

In a log I have with an evo316g, I've gotten readings of 400 to 450hp. Car dynoed 343. It is on speed density and have seen airflow readings of 40 to 42. I also like to use trap speed as an indicator since there are so many variables. My best trap speed so far is 117 mph. Maybe that will help you somewhat. Boost pressure set to 25, with spikes up to 29 briefly.

 

[jjw205]

Yea, that is not the best "formula" to use. If you are pushing 41lb/min with rich ARF's and weak timing, you won't be making the same power as someone with properly tuned AFR's and stronger timing advance, even though you are flowing the same amount of air. It's what you do with the air.

If you really want a"HP" estimate, check the "Horsepower" value in your log. It's pretty accurate when set up correctly. Assuming you are stock weight, I see a peak of ~270HP at the wheels. A far cry from "410HP", even at the crank you probably aren't seeing 325HP.

Also, your knock is much more than I would want in any tune. Running 24° of timing is probably not helping.