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I just dynoed my car and made 442whp and just trapped 118.48mph
blkrocket said it best... post up those time slips!!!
Originally Posted by BLKROKT
Do you guys actually use the unicorn tune for anything other than bragging about dyno charts? Like, is that fun for you? Yippee look at all the big numberz while my car is being driven in place by someone else on rollers. That doesn't sound like fun at all.
Why don't you guys come back and brag when you're trapping 126mph+ Or don't you use all this amazing power for anything other than waving charts around at your friends.
Anyone in the NYC area with these magic tunes, you're welcome to shut me up by lining up at Atco. Anytime.
So what you are telling me is the only way 500whp can be proven as attainable with the mods and tune I listed is to trap 126mph at the track?
If that is the case, wtf is the point of everyone dyno'ing their cars everyday. EC does like 10-15 tunes a day on the dyno, guess it's all bull**** and DynoJet is laughing all the way to the bank.
Do you guys actually use the unicorn tune for anything other than bragging about dyno charts? Like, is that fun for you? Yippee look at all the big numberz while my car is being driven in place by someone else on rollers. That doesn't sound like fun at all.
Why don't you guys come back and brag when you're trapping 126mph+ Or don't you use all this amazing power for anything other than waving charts around at your friends.
Anyone in the NYC area with these magic tunes, you're welcome to shut me up by lining up at Atco. Anytime.
How did you know that's all that I do? And what do you do all day? Go and pick on people online and then ask them to line up at Atco "anytime" You doing too much bud.
Ok where is the correction factor number with all the details? If you guys are going to come here and claim unbelievable numbers you should post the full details of the run.
Ok where is the correction factor number with all the details? If you guys are going to come here and claim unbelievable numbers you should post the full details of the run.
Where is the temps,baro,cf and time on the sheet?
not going at you skratch but what it seems like is what you guys want is every single bit of info to cast doubt or scientifically prove it wrong. my numbers were from may 19th in orlando florida. real street has an enclosed dyno room. i did some other "mods" and changed some things around so this upcoming week i will go back to the same dyno and get a re tune. i'll then ask the dyno operator to include all scientific and weather numbers.
question though? can't we all agree all tracks are diff as are dyno numbers?
another question? how about the e63 with a hundred shot and it's dyno numbers and track times vs mine?
Looking at Infiniti's charts, it appears that the big improvement was simply leaning the mixture at 5500 rpm and above, by up to a full point.
One thing I really like about these runs is that the dyno operator started at a good low rpm: 2000. This minimized the effects of acceleration enrichment (similar to what the accelerator pump did on carbs), and thus gave a cleaner overall graph at low and mid rpm points.
The shape of the torque curve is also virtually perfect. this looks like a decent quality tune.
So what you are telling me is the only way 500whp can be proven as attainable with the mods and tune I listed is to trap 126mph at the track?
If that is the case, wtf is the point of everyone dyno'ing their cars everyday. EC does like 10-15 tunes a day on the dyno, guess it's all bull**** and DynoJet is laughing all the way to the bank.
Yes, trap speed is the ONLY reliable to prove power. Dyno's are meant to show power gains for mods with a proper baseline. Your baseline was not proper. You claimed that your stock base line was 450rwhp stock.
EC dyno tunes 10-15 tunes a day because they are in the business of selling tunes and making money.
Originally Posted by skratch77
Here is one off my phone of my car.its not my best run but what I have on me at work.
You can see all the information at the bottom of my slip with nothing to hide.
Here is a car I found on Google.
Listen there buddy...If they gave you all of the pertinent information, then they wouldn't have a magical 500whp unicorn.
So what you are telling me is the only way 500whp can be proven as attainable with the mods and tune I listed is to trap 126mph at the track?
If that is the case, wtf is the point of everyone dyno'ing their cars everyday. EC does like 10-15 tunes a day on the dyno, guess it's all bull**** and DynoJet is laughing all the way to the bank.
Bro your car dynod 450whp stock and you said it had a 1.02 std cf in like 57d weather.
That is a bogus run and should of never got a cf that high in those conditions.we are still waiting for the info also.
Be prepared to back up your claims when posting about finding a unicorn out in the wild.
Looking at Infiniti's charts, it appears that the big improvement was simply leaning the mixture at 5500 rpm and above, by up to a full point.
One thing I really like about these runs is that the dyno operator started at a good low rpm: 2000. This minimized the effects of acceleration enrichment (similar to what the accelerator pump did on carbs), and thus gave a cleaner overall graph at low and mid rpm points.
The shape of the torque curve is also virtually perfect. this looks like a decent quality tune.
Jim G
thank you kind sir now for my real response FINALLY! someone who isn't hating lol.
skratch, i'll ask you the same question, is it "unicorn" for our cars/motor to put down 470whp bolt ons?
then after three re tunes i get decent power, then the car runs much better? so now i'm a joker?
again, i've had a modded e55 5 years ago, then had a c63 and now this car so i'm not new to this.
2012 P31 C63 Coupe Trackrat, 2019 GLE63S Coupe Beast
Originally Posted by Infiniti
If i was near you i would be the first to shut you up at atco, mexico, highway, whatever you want.
Uh huh, sure you would be.
Originally Posted by Infiniti
in awful conditions and with some small issues that costed me power i ran 12.0 @ 118.
Uh huh, sure you had issues.
Your car weighs 4200lb without you in it and a 1/2 tank of gas. So let's be nice and call it 4375 as driven. To trap 118mph in a 4375lb car, you need 554hp. 18% drivetrain loss puts you at about 454whp. Give or take.
That looks to be about 45whp short. Hmm. Why don't you come back and brag when you're at 120.31mph. Because that's 500whp for a car of your weight.
It's 125-126mph for a W204 C63 depending on coupe or sedan weight.
Your car weighs 4200lb without you in it and a 1/2 tank of gas. So let's be nice and call it 4375 as driven. To trap 118mph in a 4375lb car, you need 554hp. 18% drivetrain loss puts you at about 454whp. Give or take.
That looks to be about 45whp short. Hmm. Why don't you come back and brag when you're at 120.31mph. Because that's 500whp for a car of your weight.
It's 125-126mph for a W204 C63 depending on coupe or sedan weight.
It's math. Pretty easy. Comprende?
Blkrokt: You say you need 554hp to trap at 118 mph. But thenm you apply a driveline loss factor that gets Infiniti down to 454 rwhp. But, does the "you need 554hp to trap at 118 mph" statement mean CRANK hp or RWHP? I'm asking because the driveline losses on a car at the strip depend a lot on what type of tanny is being used. A conventional U.S. manual can result in a driveline loss as low as 12%. A conventional U.S. automatic can result in up to a 25% loss. We here on the forum seem to always talk about "18%" for our C63s. So, repeating the questuon, is the 554hp required to hit 118mph a CRANK or a NET hp?
Your car weighs 4200lb without you in it and a 1/2 tank of gas. So let's be nice and call it 4375 as driven. To trap 118mph in a 4375lb car, you need 554hp. 18% drivetrain loss puts you at about 454whp. Give or take.
That looks to be about 45whp short. Hmm. Why don't you come back and brag when you're at 120.31mph. Because that's 500whp for a car of your weight.
It's 125-126mph for a W204 C63 depending on coupe or sedan weight.
It's math. Pretty easy. Comprende?
forget eating your shoe, how about you put your money where your mouth and your fingers are that i won't trap 120.31
my pass corrected on drag times with temps exc was a trap of 119.7
again, once weather is good i'll bet that you won't bet and even if you do you won't pay. i'll do 120+ on 93 not even race gas
2012 P31 C63 Coupe Trackrat, 2019 GLE63S Coupe Beast
Weigh your car first sport. I don't know what yours weighs, those were estimates obviously.
Also, what's your drivetrain loss. Is it 18% like ours, more, or less? You're on the C63 forum, I'm not required to know everything about your car here. Again, I used an estimate.
The HP calculators are widely available. Wallace Racing has them. Go figure it out.
Figure it out yourself Jim. I'm giving my replies to you precisely zero effort anymore. Look it up.
The way I wrote it is perfectly clear. You're just reading it incorrectly.
I was being polite. Now, no more polite. It appears you screwed up.
From the Wallace Racing website:
"
These equations are for recreation only.
Not a substitude for actual testing. Rear Wheel HP is assuming 10% drivetrain loss.
"
As you can see, the wallace Racing formula sensibly assumes RWHP, not crank, since the drag strip doesn't know or care what your driveline losses are, only what power actually gets to the wheels. Our C63 driveline losses are WAY beyond that 10%, apparently about 18%. So your posting was trash.
Sorry but the self-appointed, always correct emperor is not wearing any clothes.
And the 18% is pretty standard here. I believe that's what EC uses. The BMW RWD DCT is known to be 17%. The AMG MCT is a bit less efficient.
I went to the very website YOU said you used, BB. It says that with a 4375 all-up weight and 118 mph trap speed, you have 518 rwhp (NOT crank hp). Again, this is the Wallace Racing website you yourself referred us all to above. Now, you are apparently scrambling to find 'other' websites that will better support your claim that Infinity does not have 500 rwhp.
FORGET crank hp and the 17 or 18% driveline loss. It simply does not matter. What mattetrs is rwhp, which is supposedly what the dyno is measuring. 118 mph trap speed apparently means 518 RWHP at the very website you referred us to.
Jim G
Last edited by JimGnitecki; 06-16-2017 at 11:11 PM.
2012 P31 C63 Coupe Trackrat, 2019 GLE63S Coupe Beast
I already gave you the screen shot of the one that doesn't automatically calculate whp using the 10% loss dummy. Use that one. It calculates hp not whp. Then do the math yourself using 18%. Duh.
2012 P31 C63 Coupe Trackrat, 2019 GLE63S Coupe Beast
And go read the hundreds of forum posts and other experiences found on the Google machine that say that the calcs correspond within a couple of hp. Crank hp.
I already gave you the screen shot of the one that doesn't automatically calculate whp using the 10% loss dummy. Use that one. It calculates hp not whp. Then do the math yourself using 18%. Duh.
You're the dummy here, bb. When you talk rwhp, it does not MATTER what the drivetrain loss is. Infinity never claimed any CRANK hp. he is claiming RWHP.
Stop trying to fool us all to save face. You screwed up.
ET can vary based on traction and driver skill, but trap speed depends only on rwhp. Trying to bring crank hp and drivetrain losses into it is unnecessary bs.
Jim G
Last edited by JimGnitecki; 06-16-2017 at 11:26 PM.
06-16-2017, 07:04 PM
