I don't have a chart (yet) but I hit 244whp yesterday with room for improvement. I'll come in and update later. Hopefully I'll hit 260-270.

My mods are in my sig.

 

239/233. Bone stock.

 

Bump!

 

yipee I'm on their now

 

you would think you would be pushing more cuz i was at 260whp when i was on a 2.9 pulley on a stock block.

 

Here is mine

I,DP,T,WI,GM,CD,IC,CP

337 whp 386 TQ

 

Me Next!



Mods are:

stock turbo, BYT tune, K&N intake, ZZP CP, TRE TR8 IC, Forge BPV, CIA catted DP.

 

Verified means I had provided it previously... I have no idea where the graph is anymore. It's in the video I posted though.

 

I took my car a 2008 Cobalt SS/TC to the dyno for the first time today. I have a cat back exhaust and a K&N drop in filter.

 

I guess this is as far as I go without cracking the factory seal on the engine.

• AEM Dryflow cold air intake
• '08 2.2L/2.4L intake manifold
• 2.4L throttle body
• Header back GM factory LSJ exhaust
• Trifecta tune

 

Ill update the last few pulls soon

 

I have 2 dyno results I'd like to add - from the same car, same setup, just a Mustang dyno vs. a DynoJet. Tune was the same as well (although the LT + STFTs changed a little in the in between)...




Mods: 3" Turbo-back (no cat, but resonator, muffler), Hahn CAI, Injen upper IC pipe, Crazysteve FMIC, 3 bar sensors, 93oct pump fuel, tuned with HPT

Let me know if anything else is missing :thumbup:. The owner may chime in at some time as well.

 

ok i have some questions are these numbers in 3rd gear or 4th? Seems 4th has higher tq but third has more hp... and some of these numbers are in std while others are in sae. just wondering since i have a dyno sheet to throw up just wanna know how the format should be.

 

Either SAE or STD is fine, some people even posted uncorrected runs. It makes a minimal difference in reality.

 

regardless here is the dyno in SAE mode third gear, fourth gear wouldn't hold on the dyno or the street.
mods are as follows; hahn intake, hahn hard piping, hahn intercooler, hahn dp with cat, GMS1 and STOCK EXHAUST! Retuned by me. The owner is an older gentleman and wanted his graph posted up.

327whp and 384wtq



Dyno was done at FJ Performance.

 

Are we supposed to correct the runs?

 

what does WI stand for?

 

Water Injection or Wisconsin!

 

well if your trying to make a dyno hp list those slight variances are huge. that 327 jumps to over 330whp and makes a decent jump on the list. all being fair and a true judgement of power they all should be corrected to the same rating. and uncorrected numbers shouldn't be used because lower altitudes will read higher than those in higher elevations.

 

Micro 259.8 WHP, 238 WTQ, Verified DynoDynamics, F, GMH, DP, DU, 42#, 3.0, GM3, HE, M62, AM

I also changed the muffler (to a Flowmaster Super 44), but the cat-back piping is still stock. There is no category above for changing just the muffler (unless you remove the muffler entirely).

Here are the dyno graphs from 3 pulls:


Here is the video of the 3 pulls:
GM Stage 3 Dyno Cobalt SS/SC - YouTube

 

intake, catlss dp, cp, tune lnf stock turbo

 

Thats pretty good. You should got some race gas and tried 100 Octane mod.

Did you happen to log your AFRs?

 

Yes, I will do another dyno run with 100 octane fuel as a comparison. No, I haven't been logging AFR.

 

Finally got tuned last weekend.

Mods: I, DP, CP, T

Dynojet

334whp 354wtq

 

well still in the top 5 in both my categories..... someone bump me out, need some motivation to play with this car again..... at least I still live vicariously through infe's car lol