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View Poll Results: Was the dyno off?, or does GM have something up it's sleeve?
Yes! the dyno was off. 13 36.11%
Maybe those numbers are correct... 23 63.89%
Voters: 36. You may not vote on this poll

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Old 03-01-2012, 08:02 AM   #18
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Quote:
Originally Posted by adamgl View Post
Any pics or info on how much hp the intake alone adds yet?
Lets just say its worth it.

Detailed data will be available on this site
and others very soon
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Old 03-12-2012, 09:14 AM   #19
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Question ZL1 in Sheeps Clothing

In last months issue of GM High Tech Performance Magazine, they took a stock 2012 CTS-V Wagon and straped it to the dyno. It put down 524 RWHP and 521 ftlb of torque! The artical said how this was either a factory "freak" or GM made unlisted unchanges to the LSA. Or do you think their dyno was wrong? What do you guys think? here are some links I found about the subject.

The Catallic Forums.
http://www.cadillacforums.com/forums.../t-252805.html

GMHTP site.
http://blogs.gmhightechperformance.c...aph/index.html

They don't have the article posted on the sit yet, but most likley will after the next issue is released.
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Old 03-12-2012, 09:17 AM   #20
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you can't go by dyno results. They can make them whatever they want.

The only good thing about a dyno is getting an approximation of power and its a good way to show gains with mods, as long as youre on the same dyno with the same conditions.
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Old 03-12-2012, 09:41 AM   #21
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Originally Posted by IROCanSS View Post
you can't go by dyno results. They can make them whatever they want.

The only good thing about a dyno is getting an approximation of power and its a good way to show gains with mods, as long as youre on the same dyno with the same conditions.
Absolutly correct. I own www.warroomdyno.com and we have a Mustang MD250 eddy current dyno. Our dyno doesn't put out near the numbers that an inertia dyno does. We don't care because we use our dyno for tuning. But we will have customers get 50 RWHP when they go to a Dyno jet.
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Old 03-12-2012, 09:51 AM   #22
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The point isn't really whether the dyno is "accurate" It's that the article is stating that the company had dynoed many pre-12 Vs and none had dynoed near that. So they are wondering if GM has made a change to the LSA without adjusting the power ratings. I don't see what they would have to gain by inflating their stock dyno numbers. Most shops would inflate after their mods to make them look better. I guess we will know soon enough whether GM has bumped the power or if this was a fluke dyno that was reading incorrectly.
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Old 03-12-2012, 10:24 AM   #23
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From what I see, the Dyno is not "STOCK"... is it Stage 1. So, NEITHER of the VOTE choices are correct. The DYNO is not off, and the numbers ARE correct. Both are true. What is NOT true is that the car is stock. It is NOT based on what I found on the links provided. The 3rd choice should be "THE DYNO IS CORRECT BUT THE CAR IS NOT REALLY STOCK".


"In the April 2012 issue of GM High Tech Performance we are showing an ADM Performance Stage I intallation and dyno test."

The Stage I kit in this configuration consists of a LPE 2.55 upper pulley, LPE solid isolator, ADM ported snout, Halltech Stinger Intake and an ADM HO tune.

Comments? I MIGHT be wrong, but above is the quote taken from the article.
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Old 03-12-2012, 10:29 AM   #24
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Quote:
Originally Posted by htron50 View Post
From what I see, the Dyno is not "STOCK"... is it Stage 1. So, NEITHER of the VOTE choices are correct. The DYNO is not off, and the numbers ARE correct. Both are true. What is NOT true is that the car is stock. It is NOT based on what I found on the links provided. The 3rd choice should be "THE DYNO IS CORRECT BUT THE CAR IS NOT REALLY STOCK".


"In the April 2012 issue of GM High Tech Performance we are showing an ADM Performance Stage I intallation and dyno test."

The Stage I kit in this configuration consists of a LPE 2.55 upper pulley, LPE solid isolator, ADM ported snout, Halltech Stinger Intake and an ADM HO tune.

Comments? I MIGHT be wrong, but above is the quote taken from the article.
Stock pull
SAE correction factor: .98
Rear wheel horsepower: 524.8 at 6125 rpm
Rear wheel torque: 521.2 at 3775 rpm
Run conditions: 72.21 degrees F, 29.50-in HG
Coolant temp 178 start, 180 finish
Boost- 9.44 max, 8.18 average

After Stage 1 kit
SAE correction factor: .99
Rear wheel horsepower: 548.1 at 6175 rpm
Rear wheel torque: 527.0 at 3675 rpm
Run conditions: 73.57 degrees F, 29.49-in HG
Coolant temp 172 start, 172 finish
Boost- 10.01 max, 8.06 average
Gains- Rhwp 23, rwtq, 6
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Old 03-12-2012, 10:29 AM   #25
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Quote:
Originally Posted by htron50 View Post
From what I see, the Dyno is not "STOCK"... is it Stage 1. So, NEITHER of the VOTE choices are correct. The DYNO is not off, and the numbers ARE correct. Both are true. What is NOT true is that the car is stock. It is NOT based on what I found on the links provided. The 3rd choice should be "THE DYNO IS CORRECT BUT THE CAR IS NOT REALLY STOCK".


"In the April 2012 issue of GM High Tech Performance we are showing an ADM Performance Stage I intallation and dyno test."

The Stage I kit in this configuration consists of a LPE 2.55 upper pulley, LPE solid isolator, ADM ported snout, Halltech Stinger Intake and an ADM HO tune.

Comments? I MIGHT be wrong, but above is the quote taken from the article.
Read the link in the caddy forum, this is the test BEFORE the stage I
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Old 03-12-2012, 10:52 AM   #26
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Originally Posted by KKreme15 View Post
Read the link in the caddy forum, this is the test BEFORE the stage I

Ahh!! Damn. Maybe, just maybe, GM is holding the ZL1's for a small "quality control" issue that results in this same type dyno! Can always hope!
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Old 03-12-2012, 11:02 AM   #27
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This CTS-V would be over 600 hp at the flywheel...maybe GM was very conservative with their numbers.

Or maybe GM boosted the power of the Wagon due to the extra weight..
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Old 03-12-2012, 02:10 PM   #28
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Originally Posted by hognutz View Post
by my understanding the magnusson moss is the federal lemon law but lemon law is actually slang. then states may have there own laws on top of it and if they are stricter then they would apply. just like minimum wage and any other program. federal rights/states rights.

there is nothing magical about the process or our court system as it blows. it is what it is. It cost both parties money and because of that a valid claim will usually get settled. In civil court everthing is a rebutable assumtion if you file they have to respond. been on both sides of it.

The MM act has nothing to do with lemon laws or mods done to the car. The act in a nutshell just states that any warranty given by a manufacture has to be honored, as long as the consumer abides by the warranty contract. The manufacture is not allowed to change the warranty, in the middle of the warranty term.

Remember the big thing is, the consumer needs to read and follow the fine print of the contract.
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Old 03-13-2012, 12:48 AM   #29
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So, back on topic...
All those mods resulted in 24 whp?
The pulley and tune should get that. I thought the 24 whp was just from the intake...kinda read like that on the caddy forum quick, I'll go re-read it I guess.
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Old 03-13-2012, 03:14 AM   #30
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Why isn't everyone jumping all over the fact that a motor "rated" @ 550 hp just spun the dyno showing it has just a hair over 600 fwhp?

Aren't these motors SAE certified? If 550 is really 605, WTF is 580?

Quick question though, why was a different SAE correction factor used on the before and after #'s? Typo?


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Old 03-13-2012, 09:29 AM   #31
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Originally Posted by 2010SSRSM6 View Post
Why isn't everyone jumping all over the fact that a motor "rated" @ 550 hp just spun the dyno showing it has just a hair over 600 fwhp?

Aren't these motors SAE certified? If 550 is really 605, WTF is 580?

Quick question though, why was a different SAE correction factor used on the before and after #'s? Typo?


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This is the whole reason I posted this info! I guess we'll just have to dyno our stock ZL1's to find some answers. I did notice the difference in the SAE correction, maybe someone with some dyno experience could chime in...
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Old 03-13-2012, 09:07 PM   #32
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Originally Posted by Joebot8484 View Post
This is the whole reason I posted this info! I guess we'll just have to dyno our stock ZL1's to find some answers. I did notice the difference in the SAE correction, maybe someone with some dyno experience could chime in...

We noticed something very interesting on this 2012 CADI......It had a port for the DUAL MOD EXHAUST ON IT

Also just finished another CADILLAC CTSV MANUAL this last week making very similar numbers with exact same mods

Mark my words TODAY:The ZL1 with 93 octane will have some stagering numbers on the chassis dyno!
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Old 03-14-2012, 01:23 PM   #33
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Originally Posted by ADM PERFORMANCE View Post
We noticed something very interesting on this 2012 CADI......It had a port for the DUAL MOD EXHAUST ON IT

Also just finished another CADILLAC CTSV MANUAL this last week making very similar numbers with exact same mods

Mark my words TODAY:The ZL1 with 93 octane will have some stagering numbers on the chassis dyno!

Here is the comparison I spoke of -

2different cars,Exact same mods,only 1 had 91 octane and the other had 93 octane.

Same dyno and completely different times of the year:

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Old 03-14-2012, 01:40 PM   #34
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Originally Posted by ADM PERFORMANCE View Post
We noticed something very interesting on this 2012 CADI......It had a port for the DUAL MOD EXHAUST ON IT

Also just finished another CADILLAC CTSV MANUAL this last week making very similar numbers with exact same mods

Mark my words TODAY:The ZL1 with 93 octane will have some stagering numbers on the chassis dyno!

Based on your experience, what would your guesstimate be ?
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