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Old 12-07-2007, 02:51 PM   #1
boostdog
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rr tuned stg2 12.8@105mph

Default Gabedude's stage1 log....how does it look?

Ok i had to take a screen shot and post it up this way..for some reason I cannot upload info straight from excel onto this site using code but anyway...here is the log with the ebay cai installed no other mods...how does it look? I was told on the stock map it was making the car run rich.

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Old 12-07-2007, 03:37 PM   #2
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It isn't knocking at all. That map is so conservative it would probably run on 87 octane.
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Old 12-07-2007, 06:19 PM   #3
Wheeler Bement
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Quote:
Originally Posted by gabedude View Post
It isn't knocking at all. That map is so conservative it would probably run on 87 octane.
is this comment based on you "knowing" it is conservative, or the fact that no knock exsists which means it isn't running on the edge enough

out of curiosity, I thought peak load and lowest timing are supposed to match? mine never did, and the above does not, maybe I am mistaken.
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Old 12-07-2007, 08:25 PM   #4
clemsonteg
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I think its more based on the fact that you are only running 9lbs of boost at redline and 20* of timing, looks decent, you are pushing alot of air flow for stage 1
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Old 12-07-2007, 08:53 PM   #5
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Originally Posted by Wheeler Bement View Post
is this comment based on you "knowing" it is conservative, or the fact that no knock exsists which means it isn't running on the edge enough
It is very conservative as it runs stock fueling and basically stock timing. It would not run on 87 octane, but it does well on 91 and up.

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Originally Posted by Wheeler Bement View Post
out of curiosity, I thought peak load and lowest timing are supposed to match? mine never did, and the above does not, maybe I am mistaken.
He started the run at 3k, not 2k so the numbers may not look "typical".

It is actually at peak VE where you need the lowest timing. Peak VE on that motor is variable via AVCS. You also have to take into account the fact that as RPM increases, the window to completely burn the charge gets smaller, so you need more advance or power just drops.

That mapping is basically slightly upped stock boost, with the funky timing stuff taken out. So it makes sense that you could get more load in the upper RPMS than the lower RPMS. Also, the log could have been on a slightly downhill run. When I tuned that map, it was on a flat surface and Peak VE + Peak load were around 3.5K. I ran 11-12 degrees there.

Gabe
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Old 12-07-2007, 09:00 PM   #6
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Also, he had timing compensation (more advance) because his IAT was below 50 degrees. Our cars pick up about 30 HP and 30 TQ when it is around 40 or below outside.

Gabe
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Old 12-07-2007, 09:32 PM   #7
clemsonteg
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Originally Posted by gabedude View Post
Also, he had timing compensation (more advance) because his IAT was below 50 degrees. Our cars pick up about 30 HP and 30 TQ when it is around 40 or below outside.

Gabe
is that why his maf is so high?
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Old 12-07-2007, 10:07 PM   #8
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is that why his maf is so high?
Yes.

Cold air has more mass, therefor more power. It also needs to be ignited earlier which creates a longer burn for more power. That is why there is IAT timing compensation.
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Old 12-07-2007, 10:43 PM   #9
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Hence the reason people started using all types water/meth injection....I love driving my car when it is dry and cold!!

My old 20g'd dsm was scary as hell when it got cold...a huge difference over a 70deg day

I'm running your map gabedude...thanks!!
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Old 12-08-2007, 07:23 AM   #10
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I guess I just noticed hes got an 07 as well which means he has .5L more displacement as me also. I am flowing 265 g/s on a 60* day with a vf22, fmic, and 50/50 meth so I get paranoid about my setup when I see someone with far less mods and approaching the same airflow
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Old 12-08-2007, 08:38 AM   #11
boostdog
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great..i am glad to hear it looks good..thanks guys..one thing I have noticed is the car is getting horrible gas mileage. I watched the guage move about 1/8 of a tank on a 20 mile cruise on the interstate this morning at 79 mph. it was about 58 deg outside as well. gabe is that normal ...i still think i may go back to the stock intake as it was running rich before...but not this rich.

also that log was takin on an onramp going uphill slightly if that makes any difference.

thanks
Boostdog!
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Old 12-08-2007, 08:46 AM   #12
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Also gabe the run was started at around 1400 rpm...is that what you were referring to?
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Old 12-08-2007, 09:26 AM   #13
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Quote:
Originally Posted by boostdog View Post
Also gabe the run was started at around 1400 rpm...is that what you were referring to?
You started the run at 1400rpms, but didnt go full throttle until 3200rpms. For best results I always start mine between 2000-2250 rpms, I just womp the throttle and run it until aroun 6500 or so

And as far your mileage, where did the gas gauge start and stop on the cruise? I can watch my gas gauge not move for 100 miles, and then drop a quarter tank in 20 or 30 miles, they are usually so inaccurate its not even funny
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Old 12-08-2007, 10:21 AM   #14
boostdog
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ahh i see what your saying..thank you.

it was right above 1/2 and now sits about a 1/16th an in below 1/2. I could see it dropping slowly and i do not remember it being like that before.
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Old 12-08-2007, 01:11 PM   #15
clemsonteg
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Quote:
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ahh i see what your saying..thank you.

it was right above 1/2 and now sits about a 1/16th an in below 1/2. I could see it dropping slowly and i do not remember it being like that before.
its always better to monitor mpg by filling up driving until empty and then fill up again, then divide the number of miles driven by the number of gallons it takes you to fill up the second time and that should be a close estimate to what you are getting for fuel economy
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Old 12-10-2007, 09:57 AM   #16
boostdog
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oh i know that's what i always do but i just don't recall the gauge moving so fast..it's time to fill up anyway so we'll see how it does.

Thanks to clemsonteg and gabe for taking a look..the car is alot of fun to drive again!
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