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OFFICIAL DYNO THREAD (take 3)

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Old 04-25-2009, 08:59 PM
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Originally Posted by NWAE Cobalt
Thanks
nice numbers let me know if I missed anything



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Old 04-25-2009, 09:17 PM
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looks like you got it all, thanks
Old 04-26-2009, 08:15 PM
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Old 04-27-2009, 12:41 PM
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Originally Posted by NWAE Cobalt
looks like you got it all, thanks
good numbers man... hope to get that a lil higher tho
the powerband is starting to drop off at 7K?

you have a ported head?
Old 04-27-2009, 01:04 PM
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Originally Posted by o3nisoaso3
good numbers man... hope to get that a lil higher tho
the powerband is starting to drop off at 7K?

you have a ported head?
no, and the afr is way off
Old 04-27-2009, 02:19 PM
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when I dyno'd mine yesterday it was on the verge of going lean. I am not sure why b/c GM's tune makes you run rich.
Old 04-28-2009, 03:36 PM
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Originally Posted by NWAE Cobalt
no, and the afr is way off
get the a/f better now! lol do you got a better clutch or flywheel?

and id like to see your compression test to see what it reads compared to stock

4. NWAE_Cobalt 180whp, 164wtq Verified DynoJet I, IM, TB, PH, 42s, C, H, DP, CD, E, P, T

^^^ that is wrong, no ported head
Old 04-28-2009, 04:14 PM
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Originally Posted by Dunkinuts
when I dyno'd mine yesterday it was on the verge of going lean. I am not sure why b/c GM's tune makes you run rich.
the 08 tunes are different .. that would explain why the 08's are faster stock lol
Old 04-28-2009, 04:43 PM
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Originally Posted by elecblue06
the 08 tunes are different .. that would explain why the 08's are faster stock lol
yeah I am not sure what is different but due to emissions or something the tunes are different. I am enjoying it
Old 04-28-2009, 04:44 PM
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Originally Posted by Dunkinuts
yeah I am not sure what is different but due to emissions or something the tunes are different. I am enjoying it
well leaner AFR"s are good for emissions lol
Old 04-28-2009, 04:46 PM
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Originally Posted by o3nisoaso3
get the a/f better now! lol do you got a better clutch or flywheel?

and id like to see your compression test to see what it reads compared to stock

4. NWAE_Cobalt 180whp, 164wtq Verified DynoJet I, IM, TB, PH, 42s, C, H, DP, CD, E, P, T

^^^ that is wrong, no ported head
no better clutch or flywheel, he has PH cause its better then stock or something, if you read the actual thing it KINDA makes sense...but i agree lol
and i can do a compression test, but itll have to wait for the weekend to be here

oh, and afr's are fixed....just dont have the money for another dyno right now
Old 04-28-2009, 07:07 PM
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Originally Posted by NWAE Cobalt
no better clutch or flywheel, he has PH cause its better then stock or something, if you read the actual thing it KINDA makes sense...but i agree lol
and i can do a compression test, but itll have to wait for the weekend to be here

oh, and afr's are fixed....just dont have the money for another dyno right now
nice. thot you got free dyno if it was over 180whp? wasnt that your deal with the owner? lol

im hoping with a ported head and lighter flywheel to see maybe 210whp. im waitin to see your numbers to base what i think mine will be. i was just hoping for 200whp but now i think itll be more
Old 04-28-2009, 09:04 PM
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Originally Posted by o3nisoaso3
nice. thot you got free dyno if it was over 180whp? wasnt that your deal with the owner? lol

im hoping with a ported head and lighter flywheel to see maybe 210whp. im waitin to see your numbers to base what i think mine will be. i was just hoping for 200whp but now i think itll be more
possibly
i wont be able to redyno it for a little while as the gf lost her job...but yah, over 200 for you would be awesomes!!!
and ya...free dyno
Old 04-28-2009, 09:05 PM
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Originally Posted by elecblue06
well leaner AFR"s are good for emissions lol
yeah one of my pulls the A/F said 15 something
Old 04-28-2009, 09:40 PM
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Originally Posted by Dunkinuts
yeah one of my pulls the A/F said 15 something
yea.. THAT on the other hand doesn't seem safe at all
Old 04-28-2009, 11:31 PM
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yeah I am not sure how correct that is and or when that was read. They stuck something at the tail pipe and some thing under the hood and made the pulls.
Old 04-28-2009, 11:35 PM
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Originally Posted by Dunkinuts
They stuck something at the tail pipe
That is for wideband readings. Its call a tail pipe sniffer.

Originally Posted by Dunkinuts
and some thing under the hood and made the pulls.
That was to determine your RPMS. I don't know what it is called.
Old 04-28-2009, 11:48 PM
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Originally Posted by ebristol
That is for wideband readings. Its call a tail pipe sniffer.
those things arent always the most accurate, *but most the time they are*

Last edited by o3nisoaso3; 04-29-2009 at 03:27 PM. Reason: *edit*
Old 04-28-2009, 11:50 PM
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2009 SS/TC.... I will get the slips when I get back up there... (But plenty were there that can vouche)

Mods: Tune, K&N drop in only

307whp and 339 wtq (uncorrected)
Old 04-29-2009, 12:12 AM
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Originally Posted by o3nisoaso3
those things arent always the most accurate
Can you provide proof to back that up? I have proof that proves that statement wrong.

The tailpipe sniffer on the dyno I always run on is within .1 of my the wideband on my car. And that is probably because my WB is before the cat and their sniffer is post cat.
Old 04-29-2009, 12:18 AM
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Originally Posted by ebristol
Can you provide proof to back that up? I have proof that proves that statement wrong.

The tailpipe sniffer on the dyno I always run on is within .1 of my the wideband on my car. And that is probably because my WB is before the cat and their sniffer is post cat.
i said not always the most accurate. i have seen them run as much as +/- .6 off which in tuning can give you bad numbers.

i have nothing against them, i actually really like having them and the shop near me is within +/- .1 but i dont have a cat. pretty much its saying make sure youre going to a good shop with good equipment
Old 04-29-2009, 12:29 AM
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I just got tuned and put down 316whp and 366wtq
Old 04-29-2009, 12:55 AM
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Originally Posted by 1badBlueberrySC
2009 SS/TC.... I will get the slips when I get back up there... (But plenty were there that can vouche)

Mods: Tune, K&N drop in only

307whp and 339 wtq (uncorrected)
Originally Posted by Forcefed4
I just got tuned and put down 316whp and 366wtq
dyno sheets
Old 04-29-2009, 12:57 AM
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Originally Posted by Dunkinuts
dyno sheets
I will send them to you tomorrow when i upload them.thanks
Old 04-29-2009, 11:17 AM
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Originally Posted by o3nisoaso3
i said not always the most accurate. i have seen them run as much as +/- .6 off which in tuning can give you bad numbers.

i have nothing against them, i actually really like having them and the shop near me is within +/- .1 but i dont have a cat. pretty much its saying make sure youre going to a good shop with good equipment
Well with your first statement you made it sound like NO sniffer can be trusted. That is not true. Some people will read that and regurgitate it to all their friends. That is how all these forum mis-truths get spread around.


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