*Official* LS3 Dyno Thread

[hapisok]

post 129, his TQ comes on strong at 3750 and pretty much flat lines(avg) at 425TQ up to 5500RPM. mine just about hits 425TQ at 4900RPM.

i get what your saying, but the comparisons are slightly different...i'd love to have that much TQ down low. hopefully i'll have that in the next couple months after i get my cam i'll have a nice flat TQ curve.

not sure what to say, maybe i do have a freak under my hood...it drives like a beast, so its totally possible.

[thahemp]

Originally Posted by hapisok

post 129, his TQ comes on strong at 3750 and pretty much flat lines(avg) at 425TQ up to 5500RPM. mine just about hits 425TQ at 4900RPM.

i get what your saying, but the comparisons are slightly different...i'd love to have that much TQ down low. hopefully i'll have that in the next couple months after i get my cam i'll have a nice flat TQ curve.

not sure what to say, maybe i do have a freak under my hood...it drives like a beast, so its totally possible.

You make a good point. I didn't check the specs on his cam.

[kmm1412]

Hapisok, I can believe your numbers. Having talked to a number of people about what I pulled without a cam (see post #347), they all said my mods must be playing really nice together and I probably got a DFU (Detroit F*** Up), a factory freak. There are others on these forums that have pulled higher baselines with factory freaks, and better numbers than others with their mods. These cars do exist. My tuner credited my Kooks stepped headers and Cold Air Inductions CAI setup (closed box) as the major items that may have bumped my numbers above others because he hadn't tuned a 5th Gen with that setup before. My point is that when a car dyno's outside a "range" that a majority of 5th Gen's seem to fall into, legitimate comparisons can only be made with another 5th Gen with the exact same mod setup. I think one can be lucky with the right set of mods playing so well together, with a great car out of the factory, that better numbers than the normal range can be realized. Certain headers, CAI's, exhaust and other mods from different manufacturers just might play better together with certain others. I know my car drives like a beast (it is in the garage for the winter at the moment) and I can't wait to get it out on the track in the spring. That will be the real test.

Let the haters hate, I'm with you bro!

[VanquisherSS]

- Dynatech Long Tube Headers w/ Cats
- Corsa Exhaust
- VMAX TB
- ECS Tune 844/719 RWHP/RWTQ
- ECS Devil Cam Package
- Fast 102MM Intake
- ECS Novi Supercharger Base Kit
- ECS Meth Injection Kit

Stock Bottom End:

[thahemp]

Originally Posted by kmm1412

Hapisok, I can believe your numbers. Having talked to a number of people about what I pulled without a cam (see post #347), they all said my mods must be playing really nice together and I probably got a DFU (Detroit F*** Up), a factory freak. There are others on these forums that have pulled higher baselines with factory freaks, and better numbers than others with their mods. These cars do exist. My tuner credited my Kooks stepped headers and Cold Air Inductions CAI setup (closed box) as the major items that may have bumped my numbers above others because he hadn't tuned a 5th Gen with that setup before. My point is that when a car dyno's outside a "range" that a majority of 5th Gen's seem to fall into, legitimate comparisons can only be made with another 5th Gen with the exact same mod setup. I think one can be lucky with the right set of mods playing so well together, with a great car out of the factory, that better numbers than the normal range can be realized. Certain headers, CAI's, exhaust and other mods from different manufacturers just might play better together with certain others. I know my car drives like a beast (it is in the garage for the winter at the moment) and I can't wait to get it out on the track in the spring. That will be the real test.

Let the haters hate, I'm with you bro!

No one is "hating". I just don't blindly accept suspicious numbers as gospel.

Why do you think you can get "lucky" with the right set of mods playing well together? There is only so much that can happen before you change valve timing and lift, or add a blower. That is why almost everybody dynoes right around 395-420HP. That is the range of synergy for the mod effect you speak of. You can feed intake as fast as the engine can use at as low IAT as possible, and that's all you get from an intake. You can add equal length primaries, and get the exhaust restrictions out of the way, and that's all you get from LTs + exhaust. The only way to improve on that then is to tune the valve timings and lift to actually make use of your improved air supply and free-flowing exhaust... AKA install a different camshaft (or a blower). There is nothing mystical or lucky about it.

[hapisok]

Originally Posted by kmm1412

Hapisok, I can believe your numbers. Having talked to a number of people about what I pulled without a cam (see post #347), they all said my mods must be playing really nice together and I probably got a DFU (Detroit F*** Up), a factory freak. There are others on these forums that have pulled higher baselines with factory freaks, and better numbers than others with their mods. These cars do exist. My tuner credited my Kooks stepped headers and Cold Air Inductions CAI setup (closed box) as the major items that may have bumped my numbers above others because he hadn't tuned a 5th Gen with that setup before. My point is that when a car dyno's outside a "range" that a majority of 5th Gen's seem to fall into, legitimate comparisons can only be made with another 5th Gen with the exact same mod setup. I think one can be lucky with the right set of mods playing so well together, with a great car out of the factory, that better numbers than the normal range can be realized. Certain headers, CAI's, exhaust and other mods from different manufacturers just might play better together with certain others. I know my car drives like a beast (it is in the garage for the winter at the moment) and I can't wait to get it out on the track in the spring. That will be the real test.

Let the haters hate, I'm with you bro!

kmm...i totally agree, and thanks for chiming in. you were one of the guys i was talking about on the previous page. your TQ curve is ridiculous! love it anyhow, i can understand where the other guys are coming from, but you are right about picking the right mods that play well together. for me, it was between the stepped headers and the LG's (which i finally decided on). i am a firm believer in "you get what you pay for" although i have over paid for some shyt and been disappointed. so now i do my research before making large purchases so i won't be heart broken the right mods and a good tuner go a long way, and i believe it shows with these numbers.

i know there are some tuners/shops that will "show" their customers the highest HP gain possible (uncorrected or inflated) because a happy customer is a returning customer. but some shops, like DTP, tell it how it is...you get what you get. some days the numbers will be great, other days they may not look as good...its just a dyno, and not all dyno's are created equal.

anyhow, not trying to bash anybody. i just know that i've got a good shop tuning my car and i'd like to think that i invested wisely when choosing the mods that i thought would work best...and i think it shows.

[thahemp]

You've got great mods and a great car regardless of your numbers. You're a step ahead of me! I can't wait to do the headers and tune.

[hapisok]

bro...it makes a HUGE difference. seriously! your wheels will want to break loose a LOT! i've known headers made a difference, but i was surprised at how much of a difference they made. not to mention the sound that goes with it.

[kmm1412]

Originally Posted by hapisok

=anyhow, not trying to bash anybody. i just know that i've got a good shop tuning my car and i'd like to think that i invested wisely when choosing the mods that i thought would work best...and i think it shows.

I also think your point about the tuner is also correct. Mine has a history of tuning cars that made world record times at the Bonneville Salt Flats (check out his web site). He has cars that come to him to be tuned from all over the country, plus he is hired to travel all over the country to tune cars. I had to wait weeks for him to tune my car, and he wasn't cheap. How many on here can say their tuner has those credentials? A lot of tuners just use canned street tunes that are shared amongst each other. They will deny it and promote their tune as a "custom" tune when it is not, and maybe that's how we get the "range" that seems to be prevalent on these forums. My tuner could have done one of these for me at a reduced cost that would have been more in line with what most are paying for tunes on these forums, and the results probably would have fallen within the "range", or he could do one that would cost more and be more aggressive to get every bit of HP and TQ that my LS3 could generate with my setup. Obviously I opted for the later, and the car is a beast now. As a comparison, you can go to his web site and see other YouTubes of other Camaros and Corvettes and comp some of the numbers. Some are as good or better than expected, and some not as good, but they all have been done on the same dyno. Mine just turned out great.

[thahemp]

Originally Posted by kmm1412

I also think your point about the tuner is also correct. Mine has a history of tuning cars that made world record times at the Bonneville Salt Flats (check out his web site). He has cars that come to him to be tuned from all over the country, plus he is hired to travel all over the country to tune cars. I had to wait weeks for him to tune my car, and he wasn't cheap. How many on here can say their tuner has those credentials?

Lots of people. How many here are tuned by Jannetty, Mike Norris, etc. I know a lot of people do mail-order tunes, but to suggest that the collection of data we have here to compare against is mostly canned, shared tunes is sort of disingenuous.

My tuner could have done one of these for me at a reduced cost that would have been more in line with what most are paying for tunes on these forums, and the results probably would have fallen within the "range", or he could do one that would cost more and be more aggressive to get every bit of HP and TQ that my LS3 could generate with my setup. Obviously I opted for the later, and the car is a beast now.

This would be a red flag for me. If a tuner is charging more than everyone else, then of course he has to show results. I'm not saying 100% that I'm right, or that he hasn't figured something out, but I would definitely head over to another shop for a 2nd opinion if he handed me numbers like yours.

[matt55]

Originally Posted by kmm1412

I also think your point about the tuner is also correct. Mine has a history of tuning cars that made world record times at the Bonneville Salt Flats (check out his web site). He has cars that come to him to be tuned from all over the country, plus he is hired to travel all over the country to tune cars. I had to wait weeks for him to tune my car, and he wasn't cheap. How many on here can say their tuner has those credentials? A lot of tuners just use canned street tunes that are shared amongst each other. They will deny it and promote their tune as a "custom" tune when it is not, and maybe that's how we get the "range" that seems to be prevalent on these forums. My tuner could have done one of these for me at a reduced cost that would have been more in line with what most are paying for tunes on these forums, and the results probably would have fallen within the "range", or he could do one that would cost more and be more aggressive to get every bit of HP and TQ that my LS3 could generate with my setup. Obviously I opted for the later, and the car is a beast now. As a comparison, you can go to his web site and see other YouTubes of other Camaros and Corvettes and comp some of the numbers. Some are as good or better than expected, and some not as good, but they all have been done on the same dyno. Mine just turned out great.

You REALLY think you tuner knows some voodoo magic to net you car 20-30hp more than EVERY OTHER LSx tuner in the world ?

[Mutant Racer]

Here's mine....

Mods were Texas S&P 1 7/8 long tube headers w/ cat, SLP loud mouth II axle back, Roto-Fab air filter and the Dyno Tune was done by Speed INC. I don't know what my 2SS LS3 was pulling before the mods were installed but here is the final results and a video.

[Cooley]

I had my stock 2013 SS/1LE Dyno'd this afternoon. The car does not have the NPP exhaust.

SAE came in at 378.90, 370.44, 379.12 H.P. and 370.38, 348.07, 370.10 Torque.
Standard setting came in with higher numbers (~11 higher in each category & run.).

[SUKXOST]

^I was 378WHP and 378WTQ