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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Disappointed in dyno runs.... WTF!!!!!



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      03-30-2009, 03:16 PM   #23
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^ Interesting........Someone should come up with a comparo between real drag strip numbers vs. dyno numbers in 1/4 mile...........I just don't know of any mustang dynos around where I live.
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      03-30-2009, 03:46 PM   #24
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Quote:
Originally Posted by dzenno View Post
Dude, that's a mustang dyno...its calibrated in a way to read way lower than what it typically should...use a dynojet
LOL that is funny - are you sure it is not the other way around?
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      03-30-2009, 10:51 PM   #25
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It would really be screwed up if you line up against a 380+ Dyno HP car and beat him in a race! Actually, thats what you need to do. See what another 335i with similar mods (or otherwise) achieves on that dyno. Or line up and race a 335i that has known dyno numbers.
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      03-31-2009, 07:14 AM   #26
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Quote:
Originally Posted by hotrod182 View Post
I will really be screwed up if you line up against a 380+ Dyno HP car and beat him in a race! Actually, thats what you need to do. See what another 335i with similar mods (or otherwise) achieves on that dyno. Or line up and race a 335i that has known dyno numbers.
I dont even know anyone else with a 335!!!! haha so thats kinda rough

And all my friends drive 600+whp mustangs, supras, wrx's so that wouldnt be too fair
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      03-31-2009, 08:33 AM   #27
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Originally Posted by tommay248 View Post
I dont even know anyone else with a 335!!!! haha so thats kinda rough

And all my friends drive 600+whp mustangs, supras, wrx's so that wouldnt be too fair
where in CT are you ... i went to ICS in Stamford and got 368 / 374 awhp with chip intake and exhaust (no dp's or fmic) if you wanna meet up and do some pulls let me know
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      03-31-2009, 10:00 AM   #28
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Quote:
Originally Posted by tommay248 View Post
Had some trouble with the Rix gage as you can no longer change maps by the pedal correct? We tried all 4 maps on the gage and 1 and 3 i believe were exactly the same.
Actually, the pedal selector works great still, just put it in bc.2, and then it is as if the gauge is not there. bc.2 is your pedal selector map.

1 is race gas (map7 on jb3)
2 is pedal selector
3 is high boost (map3 on jb3)
4 is stock.

put it in bc.2 , use the pedal to program what map you want, and then every time you go back to bc.2, it will be that map.

These were chosen by Terry.


-Rick
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      03-31-2009, 10:10 AM   #29
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Quote:
Originally Posted by MrWhite1015 View Post
where in CT are you ... i went to ICS in Stamford and got 368 / 374 awhp with chip intake and exhaust (no dp's or fmic) if you wanna meet up and do some pulls let me know
We should set up a dyno day
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      03-31-2009, 10:22 AM   #30
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Quote:
Originally Posted by MrWhite1015 View Post
where in CT are you ... i went to ICS in Stamford and got 368 / 374 awhp with chip intake and exhaust (no dp's or fmic) if you wanna meet up and do some pulls let me know
Mr.White + JPsimon
I am down, XX Tuning in Hartford has a PowerJet or whatever and they have a dyno day coming up in April. I would be happy to setup a dyno day between then though or just go there. Let me know what days work well for you two
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      03-31-2009, 12:03 PM   #31
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dude wtf this thing is saying your max tq is at 315 that is way wrong i think stock they got it to fo 300 flat

there is something wrong with the machine
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      03-31-2009, 12:06 PM   #32
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Quote:
Originally Posted by tommay248 View Post
Mr.White + JPsimon
I am down, XX Tuning in Hartford has a PowerJet or whatever and they have a dyno day coming up in April. I would be happy to setup a dyno day between then though or just go there. Let me know what days work well for you two
I'd rather not go to XX. ICS or nothing! Middle/Late april is better for me
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      03-31-2009, 05:44 PM   #33
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Originally Posted by jpsimon View Post
I'd rather not go to XX. ICS or nothing! Middle/Late april is better for me
im moving to PA on the 10th so ummm yeah ...
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      03-31-2009, 05:49 PM   #34
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Quote:
Originally Posted by Jon335iFL View Post
dude wtf this thing is saying your max tq is at 315 that is way wrong i think stock they got it to fo 300 flat

there is something wrong with the machine
There is nothing wrong with the machine. It is a REAL load based dyno, not a glory number machine like all the dynos you see posted here.
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      03-31-2009, 07:00 PM   #35
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So what does that mean? That all the numbers we're used to seeing from DynoJets are all too high?

Another words, only Mustang Dynos puts out realistic numbers that a car ACTUALLY puts down on the road?
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      04-01-2009, 01:38 AM   #36
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Quote:
Originally Posted by Mr. 5 View Post
Dynos should be there to measure results and compare to YOU and what YOU have done in the past.
Dynos are not there for the comparison of other dynos.
+ 1

compare it to how many hp you have gained
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      04-01-2009, 11:27 AM   #37
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Quote:
Originally Posted by cstmx_ryder View Post
So what does that mean? That all the numbers we're used to seeing from DynoJets are all too high?

Another words, only Mustang Dynos puts out realistic numbers that a car ACTUALLY puts down on the road?
Well, a Mustang dyno is a true load based dyno. So essentially yes. DynoJets do not truly simmulate the actual load that is placed on the car in driving conditions. While it does load the car, it does not do it to the extent that a Mustang or a Dyna Dynamics Dyno will. Regardless of which dyno is used, the only important number is the delta change from a baseline run to the final run and what that number represents as a percentage of change from the baseline to the final. The actual number really doesn't matter because it will always be different between different dynos and different cars even if those cars are tested on the same dyno on the same day. I'm not mocking DynoJets in any way. I am just clarifying why a Mustang Dyno reads so much lower (typically) An end user can modify the Mustang calibrations to more closely match a DynoJet if they care to.

Ps: I am sure there was a reason that Shiv selected a dyna dynamics machine over a dynojet and it definately was not due to cost.
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      04-01-2009, 11:31 AM   #38
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Quote:
Originally Posted by Nikolas View Post
Well, a Mustang dyno is a true load based dyno. So essentially yes. DynoJets do not truly simmulate the actual load that is placed on the car in driving conditions. While it does load the car, it does not do it to the extent that a Mustang or a Dyna Dynamics Dyno will. Regardless of which dyno is used, the only important number is the delta change from a baseline run to the final run and what that number represents as a percentage of change from the baseline to the final. The actual number really doesn't matter because it will always be different between different dynos and different cars even if those cars are tested on the same dyno on the same day. I'm not mocking DynoJets in any way. I am just clarifying why a Mustang Dyno reads so much lower (typically) An end user can modify the Mustang calibrations to more closely match a DynoJet if they care to.

Ps: I am sure there was a reason that Shiv selected a dyna dynamics machine over a dynojet and it definately was not due to cost.
BTW, It's DynO Dynamics.
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      04-01-2009, 11:56 AM   #39
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Quote:
Originally Posted by hotrod2448 View Post
BTW, It's DynO Dynamics.
Yes it is - I'm wickedly sick and I think all this goo in my sinus is affecting my brain.

Thanks
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      04-01-2009, 12:30 PM   #40
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The delta of your whp on a dyno is important, but everyone must also remember that it can be skewed too. If a dynojet inflates your stock numbers and tuned numbers, why wouldn't the delta be skewed by the same factor over a mustang dyno? My point is that I'd be willing to bet the delta on a mustang will not be the same as the delta on a dynojet, given all else the same. The difference between the two is probably more like a scalar factor than an offest. Just another thing to consider when comparing different dynos.
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      04-02-2009, 03:47 PM   #41
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yeah those numbers are LOW.. my car with the mods in the sig were 340AWHP at ICS. Id like to go to another dyno day in a few months, id have JB3 1.3 and FMIC by then
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      04-02-2009, 05:55 PM   #42
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Quote:
Originally Posted by chinoxs203 View Post
yeah those numbers are LOW.. my car with the mods in the sig were 340AWHP at ICS. Id like to go to another dyno day in a few months, id have JB3 1.3 and FMIC by then
Ugh! Of course your numbers are higher - ICS uses a Dynojet - read above. The point of this discussion is that his numbers are not low given the machine used to test it.
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      04-02-2009, 09:07 PM   #43
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      04-02-2009, 09:18 PM   #44
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ITS A MUSTANG DYNO, YOU HAVE AN AWD CAR WITH MORE DRIVETRAIN LOSS, GEAR SELECTION COULD HAVE BEEN AN ISSUE, MD COULD BE MANIPULATED TO READ PRETTY MUCH HOWEVER YOU WANT IT TO...

Please take it to the track and you will see that you'll have a better trap speed than most of the people that claim to have a lot more hp.
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