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Old 11-15-2007, 06:19 PM   #1
saab-on-the-cobb
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Question A log of StgII Cobb map:

Code:
Time F L K C  F K C*     (rpm)  AFR  Inj Duty% TimAdvc* IgnBase Timing  IAM  Boost(psi) (mph)
0	0	0	2446	11.02	1.53	0	23.95	24	1	-10.74	28
341	0	0	2390	14.93	1.51	0	23.95	24	1	-10.74	24
681	0	0	2283	19.18	1.44	0	23.95	24	1	-10.74	22
1012	0	0	2276	20.44	4.75	0	46.94	36	1	-10.74	20
1352	0	0	2297	20.44	6.37	0	48.23	36	1	-9.43	20
1703	0	0	2352	14.24	10.09	0	34.16	37	1	-7.25	19
2043	0	0	2517	14.13	14.55	4.15	21.33	26	1	-3.77	19
2384	0	0	2718	14.36	18.88	4.4	17.84	22.5	1	0	19
2714	0	0	2996	14.59	27.91	4.5	15.96	21	1	2.61	21
3065	0	0	3403	12.29	46.44	4.22	8.48	13	1	5.8	22
3415	0	0	3871	11.02	68.59	3.82	5.89	9.5	1	12.33	25
3756	0	0	4428	11.02	76.44	2.92	7.26	9.5	1	18.43	25
4096	-3.5	0	4958	11.02	81.72	3.33	9.78	9.5	1	17.56	29
4427	-3.5	0	5426	11.02	86.12	2.93	11.86	11	1	17.27	35
4767	0	0	5224	11.02	8.8	0	23.95	9	1	15.96	40
5097	-3.5	0	4423	11.6	59.2	3.98	8.93	18	1	-9.43	40
5438	-3.5	0	4247	12.86	70.94	3.1	6.65	6.5	1	11.75	45
5768	-3.5	-2.8	4431	11.02	74.45	2.94	7.21	4	1	18.43	48
6099	-3.5	-2.8	4600	11.02	76.68	3.41	8.16	5	1	17.85	48
6439	-3.5	-2.8	4790	11.02	80.92	3.78	8.67	6	1	17.85	52
6780	-3.5	-2.45	5042	11.02	84.46	3.16	9.91	7	1	18.14	55
7120	0	0	5054	11.02	16.03	0	23.95	24	1	17.7	55
7451	0	0	5042	11.02	3.3	0	23.95	24	1	-8.13	59
A little help with this one would be nice. Is the knock anything to be very concerned about?

I have other logs, but I will wait to post a WOT run from 3rd 4th gears.

SOTC
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Old 11-15-2007, 06:28 PM   #2
parker/slc/gc8fan
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what map is that with what setup?

What datalogging software?

What happened at 5097 to cause no boost? A shift?
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Old 11-15-2007, 06:33 PM   #3
saab-on-the-cobb
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Here is a 2nd log. NOte: I left Corrected Boost AND Relative Boost in the sheet, because there is a point where one is at 19 PSI, and the other (corrected) is at only 9 PSI. Note the considerable knock correction at high RPMs. Again, is this awful knock, or am I paranoid?

Code:
Time	FLKC	FKC	RPM	(AFR) InjDuty TimAdvnc IgnBase IgnTmng IAM (Crrctd-psi) (psi) (mph)
0	0	0	755	11.02	1.29	0	16.91	15.5	1	-9.14	14.51	11
351	0	0	736	15.04	1.26	0	16.91	17	1	-9	-9.14	7
691	0	0	776	14.81	2.48	0	19.95	18.5	1	-6.96	-9	7
1042	0	0	1232	14.7	6.17	1.45	22.88	-1.5	1	-1.16	-4.93	5
1372	0	0	1671	15.04	8.25	0.88	28.66	28.5	1	-2.03	-1.16	3
1723	0	0	1640	14.36	7.96	1.86	28.48	30.5	1	-1.6	-1.89	4
2063	0	0	1609	14.47	8.26	1.77	30.37	29.5	1	-1.31	-1.45	4
2394	0	0	1968	14.36	9.82	1.94	33.7	35	1	-1.16	-1.31	5
2734	0	0	2314	14.81	10.53	0.18	41.01	40	1	-2.03	-1.16	8
3065	0	0	2630	14.24	13.12	0.07	40.69	40.5	1	-2.03	-2.03	8
3405	0	0	2980	14.59	14.07	0	41.55	41.5	1	-2.18	-2.03	10
3736	0	0	3439	14.24	23.82	2.83	27.88	32.5	1	3.19	-2.03	13
4066	-1.05	0	4156	14.81	52.1	3.89	13.38	18	1	11.17	3.34	15
4417	-3.5	0	5150	11.94	83.59	3.17	11.64	10.5	1	16.54	11.61	15
4767	-4.9	0	6079	11.02	89.61	3.3	18.65	16	1	14.51	16.54	19
5118	0	0	6043	11.02	13.84	0	23.95	-10	1	-8.56	14.65	24
5448	-1.05	0	5056	11.37	59.86	4.13	15.98	30	1	8.13	-8.85	24
5789	0	-1.4	4606	13.78	82.9	3.68	8.4	6.5	1	18.86	9.29	30
6139	-3.5	-2.8	5160	11.02	83.4	3.08	10.91	7.5	1	17.12	18.43	35
6490	-3.5	-2.8	5521	11.02	86.6	3.01	12.63	9	1	16.11	17.27	39
6830	-3.85	-2.45	5912	11.02	88.22	3.01	16.99	13	1	15.53	16.11	39
7181	-4.9	0	6296	11.02	90.01	3.26	19.23	17	1	14.95	15.67	43
7521	-4.9	0	6667	11.02	92.17	3.08	22.38	20.5	1	14.22	14.95	48
7882	0	0	6554	11.02	36.14	0	23.95	-15.5	1	-6.24	14.22	52
8212	0	-2.8	5893	11.02	64.12	0.56	20.52	31	1	7.84	-6.67	52
8543	0	-5.6	4914	12.75	88.72	3.22	9.7	7	1	19.15	9	56
8883	-3.5	-7	5097	11.02	86.19	3.08	10.33	2.5	1	18.57	18.43	58
9224	-3.5	-7	5265	11.02	85.58	2.96	11.25	3.5	1	17.7	18.43	58
9564	-3.5	-6.65	5401	11.02	56.68	2.99	12.35	4.5	1	11.61	17.7	60
SOTC
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Old 11-15-2007, 06:36 PM   #4
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Quote:
Originally Posted by parker/slc/gc8fan View Post
what map is that with what setup?

What datalogging software?

What happened at 5097 to cause no boost? A shift?
Cobb STGii.

Yes, that was a shift.

I forgot to log TPS and Engine load %. WIll do with the WOT 3rd/4th gear pulls when I find somewhere safe to log. (I was running out of road when I logged, so I need to wait until I am in the middle of nowhere to do some WOT pulls!)

SOTC
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Old 11-15-2007, 06:49 PM   #5
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What modifications do you have?

what octane stage two map are you using? What kind of gas and what rating do you use?

What datalogging software are you using? do you have a wideband o2?
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Old 11-15-2007, 08:46 PM   #6
saab-on-the-cobb
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Quote:
Originally Posted by parker/slc/gc8fan View Post
What modifications do you have?

what octane stage two map are you using? What kind of gas and what rating do you use?

What datalogging software are you using? do you have a wideband o2?
mods:

Cobb APVii, stg 2.03 / 93oct
Titek Catted DP
Custom eBay/Magnaflow hybrid catback

93oct Chevron fuel from the same pump I use every time.

I logged w/ Enginuity.


SOTC

Last edited by saab-on-the-cobb; 11-15-2007 at 08:55 PM.
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Old 11-15-2007, 09:29 PM   #7
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why are idc's so high? is the one of the problems that 07 sti are having right?
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Old 11-15-2007, 10:17 PM   #8
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I'm no expert but 7 degrees feedback correction (if it happens consistantly) is bad...
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Old 11-15-2007, 10:33 PM   #9
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I would not continue running this map unmodified if it were my car. Problems I can see, obviously knock at high rpm/load and possibly boost spiking at high rpms resulting in knock in the second log. This is not the first time the car has seen knock in all those areas based on all the fine learning present. I would be careful until you get this worked out. Could be the map or a mechanical problem.

Out of curiosity can you "feel" this happening? I would think so.

My guess is that "someone" has already contacted you...
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Old 11-15-2007, 10:41 PM   #10
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Quote:
Originally Posted by ol'skoolwrx View Post
why are idc's so high? is the one of the problems that 07 sti are having right?
The IDCs seem normail, IMO. They only reach mid-90s at 6500+ RPM.


Quote:
Originally Posted by phong View Post
I would not continue running this map unmodified if it were my car. Problems I can see, obviously knock at high rpm/load and possibly boost spiking at high rpms resulting in knock in the second log. This is not the first time the car has seen knock in all those areas based on all the fine learning present. I would be careful until you get this worked out. Could be the map or a mechanical problem.

Out of curiosity can you "feel" this happening? I would think so.

My guess is that "someone" has already contacted you...
Nobody has contacted me. What do you mean?

If this map is going to hurt my car, I am going to have Gabe tune me opensource.

In 4th gear, there is a noticeable 3500-4500 rpm "sluggishness" that occurs under 3/4 to full throttle.

I was experiencing FAR worse knock on the stock map/OEM exhaust.

I also saw large boost spikes at sea level on the stock, unmodded car.

I am not at sea level right now, so I can't log a good comparison.

I think there may be an issue with the restrictor pill? Even though I have a cat, the pill may need to be replaced.

Could any of the symptoms be from boost leak, or a leak at the downpipe/turbo?

Thanks for the help.

SOTC
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Old 11-15-2007, 11:55 PM   #11
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Not sure about your mechanicals, but I can vouch for Gabe's tuning abilities. He tuned my 06 when it was stock, and it was a night and day difference. His 07 STi was on the order of 45 HP more powerful than mine too.

I'm curious what he could get out of a Stg2 07 STi...I'd bet my money it will be smooth though...
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Old 11-16-2007, 12:30 AM   #12
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Sorry about the contact comment, the location of one of the other posters and some of his posts in other threads led me to jump to conclusions. Thats neither here nor there...

There could be a number things that could be causing the knock. The only thing that is clear is that you are seeing knock and it appears to be "real" knock. It is difficult to tell what is going on without seeing the map and additional logs with better parameters logged.

What altitude are you at? The only reason I ask is that altitude and crappy gas (91) has been causing issues with my car.

I would definitely suggest having someone, be it Gabe or someone else, get this straightened out. In the meantime take it easy on the car.

Dan
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Old 11-16-2007, 10:29 AM   #13
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Thanks for the advice. I am going to look at the restrictor pill, and log more parameters in about 2 weeks. (I am going on vacation!)

SOTC
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Old 11-16-2007, 01:14 PM   #14
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Quote:
Originally Posted by joe-6STi View Post
Not sure about your mechanicals, but I can vouch for Gabe's tuning abilities. He tuned my 06 when it was stock, and it was a night and day difference. His 07 STi was on the order of 45 HP more powerful than mine too.

I'm curious what he could get out of a Stg2 07 STi...I'd bet my money it will be smooth though...
320/310 I am aiming for when I gut the CAT. I am at 281 WTQ and 278 WHP now (my road dyno was setup wrong (for the 07 STI, it was correct for 05/06)) at first, reporting higher than normal numbers, so I am only +30 on your Stage 1).


Last edited by gabedude; 11-16-2007 at 01:24 PM.
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Old 11-16-2007, 01:17 PM   #15
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Joe (SOTC),

Your logs tell me you have high RPM knock. Obviously the map is not setup to drop IAM if high RPM knock is encountered. Looks like you just need a good custom tune. Its no wonder you only trapped 101.

Gabe
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Old 11-16-2007, 01:21 PM   #16
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Quote:
Originally Posted by phong View Post
Sorry about the contact comment, the location of one of the other posters and some of his posts in other threads led me to jump to conclusions. Thats neither here nor there...

There could be a number things that could be causing the knock. The only thing that is clear is that you are seeing knock and it appears to be "real" knock. It is difficult to tell what is going on without seeing the map and additional logs with better parameters logged.

What altitude are you at? The only reason I ask is that altitude and crappy gas (91) has been causing issues with my car.

I would definitely suggest having someone, be it Gabe or someone else, get this straightened out. In the meantime take it easy on the car.

Dan
He's in Austin. I use the same gas as he does.
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Old 11-16-2007, 01:49 PM   #17
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I wouldn't be doing any more WOT pulls at all till you get something done about that knock.
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Old 11-16-2007, 01:57 PM   #18
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I wouldn't be doing any more WOT pulls at all till you get something done about that knock.
Exactly. I occasionally get high RPM knock, but it is only -1.4 FLKC which ends up learning itself away. This is all in the 5-7K range. My IAM will drop if I get anything in FLKC that is less than -4 (-4.2 will trigger it) between 2-6.6K rpm at loads above 1.3 G/S.

Gabe
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Old 11-16-2007, 03:17 PM   #19
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Quote:
Originally Posted by gabedude View Post
He's in Austin. I use the same gas as he does.

Austin can't too far above sea level? 8000' is what I am dealing with.

Hopefully you can get that car straightened out before any damage is done.
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Old 11-16-2007, 04:31 PM   #20
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500ft elevation in Austin.
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