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Camaro V6 LLT Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 03-12-2012, 12:24 PM   #1
dorfmac
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Interpret Dyno Sheet

Got a baseline dyno this past weekend. Nothing fancy to show off as I haven't done anything performance-wise to my car and everything seems pretty on point, but the only thing I actually understand on this are the numbers 250 and 231.

The rest of it is pretty confusing. I know that there are things you can interpret from the bottom chart, and also based on the slope or curve of the lines, etc. Maybe some of you can lend some further insight?
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Old 03-12-2012, 12:32 PM   #2
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Your car an automatic or a manual? Is the numbers shown corrected or raw data?

What would you like to know? Nothing really to interpret as far as I can see, the curves look perfectly normal to me. TQ has a very nice flat curve.

Air to fuel ratio seems a bit high to me, but probably not an issue.

If you plan to mod in the future and want to know what you got, well then getting your baseline run is the best thing you can do since all dynos tend to read slightly different. Also, trying to dyno in similar weather conditions plays a big role, as the car may produce much less power on a very hot day as compared to a cool day, but that is where the corrected data comes into play which should even out the results.
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Old 03-12-2012, 12:36 PM   #3
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Quote:
Originally Posted by KMPrenger View Post
Your car an automatic or a manual? Is the numbers shown corrected or raw data?

What would you like to know? Nothing really to interpret as far as I can see, the curves look perfectly normal to me. TQ has a very nice flat curve.

Air to fuel ratio seems a bit high to me, but probably not an issue.

If you plan to mod in the future and want to know what you got, well then getting your baseline run is the best thing you can do since all dynos tend to read slightly different. Also, trying to dyno in similar weather conditions plays a big role, as the car may produce much less power on a very hot day as compared to a cool day, but that is where the corrected data comes into play which should even out the results.
A manual, and I assume raw data, but only because I wasn't told otherwise. Not like I would have known what he was talking about if he did mention it

I'm not really looking for anything in particular, I was just wondering if there was anything else TO know outside of the HP/TQ?
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Old 03-12-2012, 12:40 PM   #4
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The air fuel ratio looks pretty lean, but aside from that nothing out of the ordinary.
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Old 03-12-2012, 12:42 PM   #5
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Good numbers - 250 rwhp / 231 rwtq.
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Old 03-12-2012, 12:43 PM   #6
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Looks like corrected numbers to me. Looks lean, but I don't know what normal for a V6.

Now get to modding that thing!!
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Old 03-12-2012, 03:25 PM   #7
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Normal WOT A/F ratio for the V6 is typically around high 11s or low 12s.

If the dyno was one of those magical reading dynos that spit out numbers close to expected drivetrain loss (assuming weather is perfect) than I would have expected close to 260 wheel horsepower for your manual while 250 would have been perfect for the auto.

Those numbers might not be corrected, but no matter its still a decent run.

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Looks like corrected numbers to me. Looks lean, but I don't know what normal for a V6.

Now get to modding that thing!!
I don't think you are too far from me. Know of any good dynos in the mid mo area? Maybe I'll run into you at a JC or ozark car show one of these days.....your car is a monster
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Old 03-12-2012, 03:33 PM   #8
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There is a good guy over in St.. Louis and a decent place in kcmo to get some baseline runs in. As far as tuneing work dsteck in St.Louis is one of the few.
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Old 03-12-2012, 03:43 PM   #9
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So when someone does a run what hp number do you say you have at the rw? The corrected or the actual?
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Old 03-12-2012, 04:14 PM   #10
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wow... that is insanely LEAN! Guessing this was just a tail pipe sniffer? Most likely a problem with the probe... don't think you car is really running that lean....

Curves look nice and smooth... clean... The 250 RWHP is a tad lower than I would expect for a manual... Looks like this was the first pull... Did you give the car a nice long cool down before putting the car on the dyno? Did you do multiple pulls? Was this the best?
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Old 03-12-2012, 05:21 PM   #11
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Yea I thought the manual usually gets with 5 hps of 260 plus/minus
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Old 03-12-2012, 05:38 PM   #12
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I was just at T and T last week LOL. Was you there for the friday tuning day?

Don't look too bad considering you are stock. I say as long as you are pulling 250-260 stock you are fine and very close to accurate. Some dynos stock read 230 for hp.

I was thinking about having my car dynoed there just to see what my car would read on a different dyno but was scared it was going to be another low reading dyno but I might have to make an appointment with tim soon
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Old 03-12-2012, 05:40 PM   #13
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that looks real lean at 2k and lean through the whole RPM band.
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Old 03-12-2012, 05:43 PM   #14
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I should have went up Saturday with yall. Im definitely going to hit Tim up at the end of the month.
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Old 03-12-2012, 05:44 PM   #15
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I was just at T and T last week LOL. Was you there for the friday tuning day?

Don't look too bad considering you are stock. I say as long as you are pulling 250-260 stock you are fine and very close to accurate. Some dynos stock read 230 for hp.

I was thinking about having my car dynoed there just to see what my car would read on a different dyno but was scared it was going to be another low reading dyno but I might have to make an appointment with tim soon
I like this idea lol.
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Old 03-12-2012, 06:06 PM   #16
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I like this idea lol.
I knew you would I might have to make TnT my last stop.
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Old 03-12-2012, 06:24 PM   #17
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I knew you would I might have to make TnT my last stop.
Can you let me know if they plan on doing a group Dyno again?
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Old 03-12-2012, 06:49 PM   #18
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Can you let me know if they plan on doing a group Dyno again?
you need to dyno? where are you located in md?
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Old 03-13-2012, 10:54 AM   #19
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you need to dyno? where are you located in md?
Im closer to Central Southern Md Clinton-Camp Springs- Temple Hills area. T and T seems to be the only reputable shop that I've come across. I want to get baseline numbers for this '12 LS before I throw mods on it. Plus I plan to get a turbo later down the road so definitely want a baseline.
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Old 03-13-2012, 11:00 AM   #20
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My dyno shop SRT is in beltsville md which is alot closer to you than frederick. They specialize in lexus but dyno is a dyno. That's the only dyno shop I use but thought about trying out TnT just to see what my car would do on other dyno. If you want to I can put in a good word for you unless TnT is the only place you plan to go to.
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Old 03-14-2012, 05:30 PM   #21
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Quote:
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My dyno shop SRT is in beltsville md which is alot closer to you than frederick. They specialize in lexus but dyno is a dyno. That's the only dyno shop I use but thought about trying out TnT just to see what my car would do on other dyno. If you want to I can put in a good word for you unless TnT is the only place you plan to go to.
Man!!! hell yea put in a good word I'd drive to Beltsville any day of the week over Frederick hahaha . If they can squeeze me in next weekend that would be perfect because the exhaust and CAI will be in first week of April. I would really appreciate that!!
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Old 03-14-2012, 09:10 PM   #22
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Yeah bmore - I went out on Saturday though. Apparently missed a few c5 people on Friday. I've been out there a few times in the past month, probably again soon.
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