...tech said. Saturday afternoon i went to pick up a filter for my 02 SE. Somehow we got talking on the diffrence in HP figures for the 5th gen and the 6th gen Maxes. I asked him is it true that that the 5th gen Maxima's are only putting out anywhere from 205 -210 WHP. He looked at me and laughed and said no, who told me that? I said many guys on Maxima .org has has there cars dynoed and the getting those numbers. He told me to follow him and he pulled out a folder of dyno results of 2k2-2k3 Maxima's. I looked at the results of 20 out XXXX diffrent results and most of the car were putting down anywhere from 224whp-233whp. I was shock at the results, he said the incosistancy is due to maitnance of the cars, some Maxes are in better running condition than others, but that depends on the owner of the the vehicle. I did spot 2 2k2 maxes with 218 whp and hes said those car needed the a ecu reflash , as there was a corrected dyno sheet attached to the first sheet.

He said most if not all Maximas should be running in the margin of 227whp -235whp. He said (1) if any Maxima is running any wheel Hp in the range of 205-210 for a 5th gen , then there car has serious problems , or (2) the dyno that there car is being tested on is not calibrated right. He recomends all Maxima owners to get there car dynoed at a Nissan dealership . He said to many people do not know how to run a a proper dyno test which results in false results.

Pleses don't flame me, but this what a Nissan tech who told me this and was rather cool enough to show me other peoples dyno results. So i thought i might pass this info to all of owners of 2k2-2k3 Maxima owners and enthusiast.

 

Great info! I'll be taking mine in for 30K services soon

 

That sounds like a pretty cool nissan dealership to also have a dyno...........

 

They are wrong or they are liars. I will let you choose which.

 

Possibly your right.....but i think the only way to get an average dyno result is take your car to everybody in town. Hey for all i know the tech may be generous on the dyno numbers, maybe his dyno is off, then again so may everybody else in town may be off too..... .

 

Car dealerships in my area don't have any dyno's??

 

so what kind of dyno did the dealership use? There is not a stock 02-03 maxima in the world that would reach 227whp or more...its just not going to happen. Perhaps those were engine dynos...

 

I have NEVER head of a dealership doing dynos

 

the dyno stuff seems bs, but I'd imagine during servicing that anything out of whack (ECU) they'd reprogram to ensure our cars are in good condition

 

when would you do a ecu reflash?

 

thats total BullSh!T! So basically, everyone one maxima.org mistreats their cars, hell everyone that owns a maxima.... and maybe altima owners are taking way better care of their cars because I hear they dyno just as much as the 3.5 maximas.... hmm....

And its even weirder that a dealership would have dynos handy....

 

I have a hard time believing a dealership would a have a $75K Dynojet or any other sort of dyno. I don't even know what they'd use it for because all a dyno does is measure power output and why would a dealership waste their time and money with something like that? I guess it's possible they could have an old cheap Clayton load dyno which are terribly inaccurate and read really high.

I also have hard time believing that some VQs are simply better than others. If the VQ is one thing, it's consistent. On the same machine and with the same mods, I've witnessed VQs putting out numbers to within 5fwhp of each other. These motors are built with extreme tolerances and I will never buy into the "factory freak" notion. At least not with a Nissan. If you're dynoing 210-215fwhp on a Dynojet with your stock 6 speed then you're fine. If your auto is getting 205-210fwhp then you're okay too. We've all seen many dynos and the numbers across the board are pretty consistent. Only when there is a VI, knock, etc problem do we see extreme losses.

Also, please remember you CANNOT compare your numbers to some other guys numbers six states away. It doesn't work like that. Some dynos read higher/lower because of conditions, tuning, etc. A dyno is a tuning tool that should be used to measure gains and losses and you MUST use the same machine to get accurate and useable data. They're not suppose to be used to jerk off and brag about overall numbers. We have plenty of people posting low numbers on the dyno, but wicked ET/MPH at the track and vice/versa.

just my opinions.

Dave

 

The dealer is totally full of ****. Not one single stock Maxima w/ the VQ35DE has ever put out 227 wheel HP on any dyno that was posted here (under any conditions). I am totally **** retentive about vehicle maintence, and my Maxima is only in the 200-205 WHP range (on any given day). They overrated their engines, plain and simple.

 

Nissan must have used a Mustang Dyno, they always read about 10% high.

BTW, to those that wondered why a dealership would have a dyno: They are great for checking a vehicle out instead of risking a road test. If two technicians total fully loaded maximas that is the cost of the dyno right there. Dyno's are also great for troubleshooting fuel delivery problems. There is a host of things in the ESM that require 20, 30 and even 60 mph drives to diagnose a problem.

 

Im sorry, but I have NEVER heard of a dealership having a Dyno. They have a hard enough time having competent mechanics....
Everytime I go Nissan , some jerk off sales guy comes over and throws the " Ready for more power and a 2k4 Maxima ".....Makes me want to cock slap them. These fools tell customers the craziest BS stories.... Leave it to a dealer to have fed you that crap story ! I dynoed at 215 with my mods... I guess my car is messed up then.....

Go back and ask him what Dyno they are using, its sure as hell not a Dynojet

 

Dyno's are awesome diagnoistic machines. I'm not overly surprised your dealer has one.

 

dyno's would be an aweso0me diagnostic tool, but I've njever heard of a dealer having them, not even my REALLY good Nissan dealer in STL...

 

What is the name of the dealer. I'm sure if they have a dyno, there will be information about it on their website. If not, i'll give them a call and ask.

 

FYI, a Dynojet 240 rents out at approximately $1700/mo or is about 75K-85K depending on the model of 240. Most shops rent from Dynojet. I have a very hard time believing any dealership is going to cough up the dough for one these things. It is a perfect tuning tool, but with how stingy dealerships are, I don't see it happening.


Dave

 

I had a dealer tell me there was no such thing as a six speed maxima. needless to say, i lef the lot at that moment. this all happened at a nissan dealership on the used lot.

 

That's cool that he spoke to you about it, and I appreciate your info.

I also think what he said was bs. With all the independent dynoes we've had, from 6speed & Auto 02-03's, in different climates, with different weather and elevations, we can't ALL be wrong!

 

Just a tidbit here. Most of the dealers around here have dynos. They are necessary for PA emission inspections. Even alot of small shops that do State inspections have dynos.

 

There are a few dealers around me that have dynos as well. the ford dealership in marietta has a dyno and the subaru dealership in gwinnett has a 4 wheel dyno. those numbers are BS though.

will

 

Yes, but they are also aftermarket tuning facilities...

The Subaru dealership near Gwinnett Place Mall is a pretty good turbo shop, from what I hear...

 

Yeah I've never seen a Nissan dealer in Illinois with a dyno.

 

At least your above 200 hp I only got 185 hp on my VQ30DE. and I got a cattman y-pipe, injen CAI, Greddy EVO.