Dyno 3 pulls $75 ???

[BigDankCloud]

I'm going to say 310, and hope that its higher.

I've been waiting for someone to step up with this so that I can see the value of the bullydog tuner. Granted, you have y pipe and all the rest, but i'd like to see what impact the tune has even with your setup the way it is.

~not so patiently waiting~

[surmanm]

The results speak for themselves







and the dyno sheet



my modsstillin air intakeypipebully dog gtfull stilling exhaustunderdrive pully

i ran the car in tiptronics since a dyno works on a gear ratio as mentioned before so once i got to 3rd gear the dyno started..

on the first two runs i ran it in 3rd gear with premium tune +1 timingnext run i changed the time to +4 timing and ran the car in 4th gear (no change )last run i went back to timing +2 and ran it in 4th gear

who wants to join my 218hp club

[toxik]

218 SICKKKKK

[DReed86]

Come on Surman!!!!!

I think Ive checked this thread 17 times since yesterday!!!!!

Im dying to know

Please post

[surmanm]

Come on Surman!!!!!

I think Ive checked this thread 17 times since yesterday!!!!!

Im dying to know

Please post

check again

i am so shocked i have no idea how this happened anyway im gonna go to the track and race a 370z and or a G to compare my time and what and figure out whats the issue also they guys at the shop were real nice and told me they can retune the car to spec with the mods i have so im gonna go back their to see what the can do

[DReed86]

Haha lol my bad Im a little impacient....

I feel like 218 is weak... No way it should be that low.... I call Dyno error They must not have account for your Carbon Fiber Spoiler like Darryl said 50+hp......

[toxik]

mike its stillen not stillin or stilling lmao

[nurseryboy]

Aaannnnddd, that's why we don't dyno the CVT, haha. I don't think those numbers are accurate at all. They may be what the dyno read, but I think the CVT throws it off since there are no individual gears. That, or all these mods we've been doing to our cars actually decrease HP!

[surmanm]

mike its stillen not stillin or stilling lmao

yo f*** u troll all u do is hate on everyone always on the forums .... whats the point of ur comment i think everyone knows what i meant.... u get a kick out of hating i know it makes u feel better about urself

[toxik]

yo f*** u troll all u do is hate on everyone always on the forums .... whats the point of ur comment i think everyone knows what i meant.... u get a kick out of hating i know it makes u feel better about urself

lol ur pissed for no reason

[BigDankCloud]

Well, this just reaffirmed that we need someone with similar mods and a 6MT to go and dyno this car.

There is no way I believe that you are running 218 hp. Just from listening to the video it didnt sound like you made it all the way through the torque range before it changed "gear" on you anyway.

Hell, my dynolicious app on my iphone even says im consistently making 250-260 hp on my runs on flat parts of highway.

surmanm, dont be too quick to pay them lots of money to tune your car just because of these runs. I wouldn't trust the data.

[surmanm]

There is no way I believe that you are running 218 hp. Just from listening to the video it didnt sound like you made it all the way through the torque range before it changed "gear" on you anyway.

well the dyno its only activated and starts reading when im an 3 gear or like the other run 4th gear at that point i basically floor it to bring the rpm up to 6000+ rpm look at the chart and max torque.. u can see in the first video the run... btw rev limiter didn't work...

what do u mean i didnt make it thru the torque range ????

honestly i dont know whats going on but id like to get to the bottom of this and figure out how nissan got the numbers of 270 then

[PHENOMenalVinyl]

well the dyno its only activated and starts reading when im an 3 gear or like the other run 4th gear at that point i basically floor it to bring the rpm up to 6000+ rpm look at the chart and max torque.. u can see in the first video the run... btw rev limiter didn't work...

what do u mean i didnt make it thru the torque range ????

honestly i dont know whats going on but id like to get to the bottom of this and figure out how nissan got the numbers of 270 then

i agree this sounds retarted i may do some performance crap next n i got a 6mt so i can dyno yeah!!!!!!

bro dont get upset its a cvt n well just find someone who has a 6mt to do it

[DReed86]

So who has a 6MT with similar mods???? Anyone out there....

[bunda4th]

The way Nissan Dyno the car was most likely with a 6mt and technically they probably have a system to run the engine with out the car to see what it is producing at the crank and not the wheel.

Even going into manual mode in the CVT you are still using unlimited gear. It will not become a manual to give 1:1 ratio. When you go into manual mode you are only getting to control some things but you aren't really controlling the gears like if it was a 6mt.

Hope that make sense. Basically if you miss a gear or go to slow in manual mode you aren't hurting anything since it will shift on its own unlike a 6mt you can stay in red line with any gear and if you go to slow on a certain gear you will stall. CVT doesn't do that.

[Hussain]

I think a stock 6mt is supposed to put down some where in the 240's... like 245 WHP if I can remember correctly.

[alphapig]

How is 218WHP hard to believe?

Sounds accurate to me

[surmanm]

How is 218WHP hard to believe?

Sounds accurate to me

hold up isnt whp different from hp the results i posted are HP look at the chart.. isnt stock 3.5 270 hp ur telling me i went down in hp after the mods ??

[adidas2go]

The way Nissan Dyno the car was most likely with a 6mt and technically they probably have a system to run the engine with out the car to see what it is producing at the crank and not the wheel.

Even going into manual mode in the CVT you are still using unlimited gear. It will not become a manual to give 1:1 ratio. When you go into manual mode you are only getting to control some things but you aren't really controlling the gears like if it was a 6mt.

Hope that make sense. Basically if you miss a gear or go to slow in manual mode you aren't hurting anything since it will shift on its own unlike a 6mt you can stay in red line with any gear and if you go to slow on a certain gear you will stall. CVT doesn't do that.

+1

Exactly right.

Nissan got their number because the VQ35DE in the G35 and 350z made 270hp. That's it. They don't dyno cars they put the same engine in. In fact, go check out the FX35, the number are the same, based specifically on the engine. That's it.

I'm curious to see the other 2 dyno pulls, I bet they aren't close to each other. No matter what you do for the CVT, if you put it in "M4" or not, the car will ALWAYS pull the most power from the lowest gear ratio is can. The best thing you can use to dyno a car with a transmission like this, is a G-Tech. Something that measures inertia vs weight. Don't trust a dyno and these CVT's. Been there, done that.

[alphapig]

hold up isnt whp different from hp the results i posted are HP look at the chart.. isnt stock 3.5 270 hp ur telling me i went down in hp after the mods ??

I might be wrong, but I thought that the HP numbers provided by manufacturers are measured at the crank. That is, the engine is run outside of the car in a test environment.

While the numbers from dynos are measured at the wheels. Which is a much more realistic measure of power.

Lots of parasitic loss is expected, especially from the CVT transmission.

Am I off? Can someone enlighten me please?

[DReed86]

WHP is def different from HP I thought. Isnt HP messured at the crank and WHP messured at the wheels????

And to have 218 at the whp which I assume is how they Dynoed is unrealistic in my opionion.

I think hussain is right 6mt is putting out 240ish then we should be in that ball park and with all your mods I would def think you should be at 285-299 whp and 330hp.

I really dont know much about cars so I could be completely wrong on this if someone can explain this better please do.
Modified by DReed86 at 1:14 PM 4/7/2010

[alphapig]

^ huh? edit your post haha

[surmanm]

+1

Exactly right.

Nissan got their number because the VQ35DE in the G35 and 350z made 270hp. That's it. They don't dyno cars they put the same engine in. In fact, go check out the FX35, the number are the same, based specifically on the engine. That's it.

I'm curious to see the other 2 dyno pulls, I bet they aren't close to each other. No matter what you do for the CVT, if you put it in "M4" or not, the car will ALWAYS pull the most power from the lowest gear ratio is can. The best thing you can use to dyno a car with a transmission like this, is a G-Tech. Something that measures inertia vs weight. Don't trust a dyno and these CVT's. Been there, done that.

thanks for the clarification guys ...check the dyno sheet i posted all the pulls on the first page max power 212.69 max torque 209.96max power 216.57 max torque 214.75max power 218.04 max torque 247.12

[BigDankCloud]

hold up isnt whp different from hp the results i posted are HP look at the chart.. isnt stock 3.5 270 hp ur telling me i went down in hp after the mods ??

Yes Whp is not the same as the hp rated by manufacturers.

The manufacturer (Nissan) quotes 270 hp produced by the motor, at the crank.

WHP is what gets put down by the wheels, which is less due to the loss of energy in parts (from the transmission all the way to the wheel).

I would have expected that you had at least 250 hp to your wheels.

Why im surprised to see 218 is because it either means that you have lost HP and torque (im doubting this), or that the CVT keeps messing with the gear ratio which was screwing things up (more than likely).

Basically, without your mods (meaning if your car was stock), you show that you are losing about 20% of power in the drive-train. That isn't so hard to believe, but since you have both a y-pipe and the bully dog tuner which at least one of those (at least on the racingline website, which I believe for the sake of this conversation) has been proven to be a hp producer to the wheels I don't believe these results.

[alphapig]

The manufacturer (Nissan) quotes 270 hp produced by the motor, at the crank.

WHP is what gets put down by the wheels, which is less due to the loss of energy in parts (from the transmission all the way to the wheel).

That's what I thought, thought I was a tripper for a while there.

Love your user name BTW

[nurseryboy]

Yeah, the manufacturer's HP numbers are at the crank, surmanm's are at the wheels. So, those two numbers are going to be different (due to drivetrain loss). I don't think anyone knows what the actual drivetrain loss numbers are for the CVT, so it's hard to know how accurate these numbers really are. On top of that, since the CVT doesn't do a 1:1 gear ratio since it doesn't have actual gears, a dyno is going to have a hard time estimating the numbers as well.

If the CVT has a 20% drivetrain loss, that would be 270 - (270 x .2) = 216 horsepower. Which, is really close to what his numbers show. He has quite a few mods, though, and I have them as well and they definitely make a difference, so I'd expect his numbers to be higher than that. Now, if the CVT has a 30% drivetrain loss, then he might have been starting out with 189 HP to the wheels, which means the mods added 31 horsepower to the wheels. I doubt the drivetrain loss is that much though.

I guess it's all speculation though..

[surmanm]

Lots of parasitic loss is expected, especially from the CVT transmission.

Am I off? Can someone enlighten me please?

i would like to get enlightened as well....

Basically, without your mods (meaning if your car was stock), you show that you are losing about 20% of power in the drive-train. That isn't so hard to believe, but since you have both a y-pipe and the bully dog tuner which at least one of those (at least on the racingline website, which I believe) has been proven to be a hp producer to the wheels I don't believe these results.

yeah i understand that but im not pulling the results out of my butt there ur proof.. and the results are consistent numbers are more or less the same so 218 ???? come on

[blackteam02]

218Max HP!?!im sorry Surman, id be crushed if it were me..so all this talk of the "cvt" robbing the vq35de of hp, does this mean 6mt owners like myself should get a little more HP??

[BigDankCloud]

Dont know why this tried to double post minutes after i posted the first time, but...

If you like my username you'd love my license plate: DANK.

back on subject. Noone get nervous about these results.

Addidas2go,

What were your results with a turbo showing? I'm looking for something to reassure/reaffirm my own thoughts here. Im expecting to see that your turbo'd coupe put out better numbers than that, but nothing that showed like 350 whp or anything. gaddam cvt. I should have waited for my dealer to get a mt version before just jumping in this car and driving off.

[surmanm]

218Max HP!?!im sorry Surman, id be crushed if it were me..so all this talk of the "cvt" robbing the vq35de of hp, does this mean 6mt owners like myself should get a little more HP??

yeah tell me abut it bro lol i was shocked.. maybe its bottle necking somewhere its alot of loss i deff wanna track the car now...