Feel it should have had more power, any advice or opinions welcome....

02 Maxima 156k 4AT
Oil Burner=yes

Mods
JWT Popcharger
NWP BOP
NWP Spacers Eco Set
Cattman Coated Headers
Cattman Fastcat
Cattman 3'' Exhaust
Shinjiduo Grounding Kit
Motostorm LW Pulley

Done on Dynojet
SAE 229whp 219 wtq Both Smoothing 5
STD 234whp 224 wtq

STD one



SAE one which NMEX always post....



Air to Fuel Numbers Chart



Video...


Hit the Dyno once again on Oct. 18th 2012, Dynojet, found a New guy for cheap got 226whp/216wtq


003 by rodrickus, on Flickr

On Dec 7th 2012 Did 3'' LRMAF and 3'' Midpipe no tune bad idea lost power, switched back to JW Pop and Stock till got Neo installed, was running hella Lean






Got Neo Installed, switched to 350z Injectors and 3'' TP, slapped on New Intake setup again and got Tuned at Speed Force Racing, In the End got about 242-243whp on a DynoDynamics Dyno....





Updated Mod List
JWT Popcharger-3''LRMAF-3''Midpipe-TB
NWP BOP
NWP Spacers 5pc Eco Set
Cattman Coated Headers
3'' Testpipe
Cattman 3'' Exhaust
Shinjiduo Grounding Kit
Motostorm LW Pulley
350Z Injectors
Tuned with Apexi Neo

Short little clips...



Will be hitting the DynoJet by Next Friday.....

 

Nice numbers. If you had the 5 piece NWP spacer kit it would have made a little more, but remember that you have an automatic with 156k miles. Also, you don't have the 3.5" intake tubing and LRMAF or a tune either. You can pick up quite a bit more from that as well. Those are solid numbers, dont be hard on your car.

 

I'm going to have to politely disagree with most of this bro.... Numbers are significantly lower than it should be for a tuned Maxima... Also spacer would beef up his mid range a Lil but it won't boost much of his peak power.... My 5.5 4at untuned that had afr's up in the 18's () and dynoed 238whp with only a home made Sri, Obx un equal length headers, and a custom crush bend with ebay tip on it lol... This here is essay lower than Avg....

 

Might be my motor, a Hustle when you dynoed how many miles did you have on that motor.....

 

OK.....This is tuned??? No where in the mod list does it say anything about what tuning was done. I thought this was just a regular dyno after Cattman headers and all. What you use to tune with?? If this is tuned then YES its low. Also if its tuned then get 3.5" intake pipe and a LR MAF...make the most out of the tune. Again, no where in the mod list does it say anything about it being tuned......

 

I'm a noob here so can't help much with your numbers, just wanted to say love how your Max sounds and looks. Best one I've heard yet.

 

Me No Tune got to install Apexi Neo for minor tune.....

 

THANKS.....A minor noob on the dyno scence, I just always refer to Nmex's since Im 4AT and he uses Dynojet....

 

Then what the hell is Denver talkin about then?? If its not tuned.....then I go back to my previous statement about the numbers being solid for the mods for an AT.

 

Those afr's aren't perfect but that's waaaaay more tuned than most maximas lol... It's still low however you slice the cake.... Even if it was with absolutely no tune its still low lol... Those are not "solid" numbers but hey, if the op is contempt n is satisfied then o.k

 

Hell Nah, not satisfied if it was like 240 plus yeah this hell nah, I think Nmex dynoed with 233 with HEADERS and Intake....I believe, but I know his motor was fairly new at that time....dont know how many miles he has now and if oil burner is my problem....

 

Here is something to compare your AFR's to lol, now you tell me if your car isnt "tuned", maybe not fully tuned but tuned lol.... with SAE smoothing set to 5 the whp was 232... again this is with far less inferior power mods than the OP and when i meant no tune, i meant i didnt even own a tuning device to even attempt to adjust anything.... not trying to bash, but those numbers are significantly lower than AVERAGE...

 

i dont think new or old was the problem or even burning oil as mines was burning oil from both valve covers when i dynoed, my motor was maybe 140K'ish when i dynoed... if you dont have any codes for anything then i honestly dont know, i guess thats just how your car reacted to the mods

 

It's not bashing just trying to see What the ****, maybe compression test, might be getting a 06 Altima Engine, already tired of adding a couple quarts in between oil changes....

 

Cool, will try some minor **** first, before plunging for new motor....

 

yea, it might not be the motor..... any codes???

 

yea, that got old for me also lol... why not the 07 altima motor??

 

Just the heater codes from Headers and once a Misfire for Cyclinder 3, think will do Spark Plugs and maybe new Coils for Rear ones....

 

Well it depends cause this guy on craiglist had a brand spankin new one from Nissan on a crate trying to get rid of it, or a 07 Maxima engine with 22k on it.....any difference from 06 and 07 Altima Engine.....

 

OK.....misfire codes. Now we are getting somwhere. Might have an issue there. The reason I say 234whp for an AT is solid is because DOUG has a FULL TUNE, UTEC, Modified IM with BOP and 2k9 TB, (I think 3.5" intake tubing and LRMAF) and dynoed at 267whp with headers, 3" catback, 5 piece spacers, etc and he AT as well a built AT at that. Now you telling me an untuned AT with headers, 3" exhaust, 3 piece spacer, stock mani, stock TB, smaller intake piping is supposed to make more power than 234whp? I dont know.....Im not the AT expert, but I still think the numbers are solid numbers for an UNTUNED stock AT. What do you expect?? 250whp?? Tuned ATs usually make anywhere from around 250-260ish.

 

i believe thats where they had the motor similar to the 7th gens

 

the 2K9 TB did nothing for power with dougs car, so thats not a factor really, plus SSIM and BOP may only give you 7whp peak in WHP lol.... Squirrels 4AT 5.5 dynoed 234whp at maxus 09 with only cattman headers and 2.5" catman catback (outside in over 90* weather), 1sexyleo dynoed 243whp with home made intake cattman headers, ebay evoII knock off catback, test pipe and a pulley i believe (none of these cars tuned).. IMO for the small tuning that the OP did i would expect anywhere from 245-250'ish whp... those numbers are "solid" for a 4AT but definately not "solid" for a 4AT with his mods... rod, address that misfire 1st bro, and go back at the dyno, i wouldnt even be surprise that when you fix that you seriously throw off the AFR's and will need to tune from scratch again

 

OK, I trust you Hustle. I'm not an auto person. I was just looking at some other 4AT 5.5 Gen dynos with similar mods. I only saw one 5.5 AT that dynoed 245whp with no tune.....I think that was Aj Cool girl. Had FULL BOLT ONS. That misfire might be blowin it though.

 

lol his GF has a 4th gen with 3.5 swap.... but yea that misfire i killing it

 

Pretty sure those AFRs are the result of a using a tailpipe sniffer with a cat in place.

 

meaning???

 

Yes it is.....

 

Going to switch out plugs and see how much my homie can get some OEM coils for so I can get the back 3 done and do the fronts later, since some say you will get a Domino effect when switching one.....

 

Meaning he is running richer than the AFR chart shows because of the cat.

 

Hit up AJCOOL2, i know he may have upwards of 30 coils packs just sitting lol

 

hmm... i actually did not know that lol... i thought they also hook up a connector one one of the coils also... whats that for???...

 

Thats for an rpm signal i believe...

And yea, with the tailpipe sniffer, it normally reads leaner than actual. Possibly up to a full point. Regardless, the afrs are still not that bad imo.

 

Yeap it is, I asked the guy when he snapped it on in the engine bay, just checked all 3 spark plugs all were burnt....

 

He got new ones, used ones and why he has like 30 of them, lots of junkyard runs for 3.5 parts....

 

that and they do motor swaps for a lot of the guys here lol... swaps use to get done here on a weekly basis lol... just hit him up

 

1sxyleo put down 242 untuned.......with less mods....

 

yeah, thats the one I was telling Denver about. I think OP has the misfire issue to deal with.

 

and you think that was ajcool's GF, wait til they get this laugh on MDmax lol.. thats the one i was talking about lol...

 

Damn Rod, finally hit the dyno eh?

Was this in 3rd gear?


And yeah check out my dyno thread where I discuss the lean/cat reading, make a big difference.

How many runs did you get?

That chopiness looks a little suspect, could be the misfire.

 

Yeah finally hit it up, and 3rd gear pulls, he did like 6 but the 1st couple were to see where the magic spot for power since AT and not MT, gotta see if I can use my friends consult 2, to read the ECU also because once when went to Nissan they said my MAF was bad on my other Max, and anybody got a link to 1sxyleo dyno for the 242......