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Is 30 whp possible from these mods?

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Old 06-04-2007, 07:35 PM
  #61  
greddyturb0
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N/A bolt ons have the worst hp to dollar ratio but for a DD its the best you can do, everyone knows that reliability goes down the sh!tter when you go FI. and as wel all know you have to pay to play especially when your buying a car with a high MSRP you know the aftermarket will be expensive but if your a cheapo and want more bang for your buck you shouldve gone with a honda.
Old 06-04-2007, 07:40 PM
  #62  
13SECZ
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Lol...first off i dont buy hondas...and 29 k for a new car is not that expensive..i agree that reliability worstens with f/i...and im not a cheapo..just careful with my cash...just think the bang for the buck is low with the z...i know of alot of n/a's that do well with bolt ons..im not bashing my car, just opening up things for debate..
Old 06-04-2007, 07:49 PM
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greddyturb0
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not saying that you are a cheapo but hey i feel what your saying but you have to realise that hondas are some of the cheapest cars to mod and respond very well to bolt ons. i dont like hondas either because everyones got one now a days, but if you want cheap power get a honda.
Old 06-04-2007, 08:18 PM
  #64  
13SECZ
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No i hear u...but im jus sayin that i didnt spen 1k...not 2 k...i spent over 3k..yhat should yield better results..i dont by knock offs or cheaper brands...just venting...again thank god our cars look hot
Old 06-04-2007, 08:25 PM
  #65  
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Originally Posted by 13SECZ
This car is horrible in its dollar to hp ratios in the aftermarket...truly my 190 hp maxima responded better to bolt ons...lol.

I bought all the parts so it really doesnt matter...the pieces are in motion.
that's because it only had 190 hp.....

the VQ responds quite well to the right mods and the right tuning - it's not a cheap car to build, no matter what route you do.
Old 06-04-2007, 09:02 PM
  #66  
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in almost any circumstance you will spend almost just as much money on Bolt ons for N/A as comapred to a FI kit and still not get as much horse power, but lets face it if you gained almost 100hp from just bolt ons who would even go the route of FI? going FI on a N/A is asking for trouble. thats why many people prefer the low number of hp the bolt ons provide because you can still retain your reliability to some extent.
Old 06-04-2007, 09:15 PM
  #67  
bacalhau16
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See, I dont understand why people think that either. There is also a large group on this board that feels with the amount spent on N/A, you could go F/I. Well thats a sack of crap. All money spent on N/A w/out cams, and you still should be around $3k. Sure you can find a used ST kit for this much, or a used Vortec, but then you would only have a stock Z with F/I. You would still need an exhaust in the least, a plenum spacer surely wouldnt hurt, and a set of headers would go nicely with a S/C car.
So basically, people need to get off this idea that N/A is a complete waste, and you could just go F/I because its really not true at all.
Old 06-05-2007, 03:14 AM
  #68  
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A lot of the F/I guys are under the false impression that we all want an F/I application. Nothing could be further from the truth. Another false assumption is that our choice is dictated by cost. Big mistake. Many of us knowingly spend more on N/A mods for less hp as a matter of personal preference.

I am going F/I later on, myself. But it will no longer be my daily driver at that point.
Old 06-05-2007, 05:15 AM
  #69  
civic4982
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Originally Posted by HondaKiller
Spacer - 10hp
Pop Charger - 3hp
Test Pipes - 5hp
exhaust - 5hp

Give or take a couple hp, you should be around 30 depending on climate tempature and elevation. Throw in a tune and you'll make 30.


nice ricer math there.

when dyno'd, mods do not give a
"x + y + z = number of HP"
the system (engine) is affected in general and therefore the next breather mod put on may not get the same amount of power as it would if it were put on from a dyno'd comparison of the stock model.

this is a common misconception. get your facts straight before giving bad advice.
Old 06-05-2007, 05:41 AM
  #70  
gothchick
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My philosophy is that I want my build to be as close to 100% reliable as possible. Ie. NA. Within that reliability envelope, I will build / tune for the most HP I can get.

When this car is no longer a daily driver, the (less inherent reliability & shortened life-span of the car) that FI causes, would make more sense.

It's nice to have 600whp and all, but it doesn't do you much good if your engine grenades or you're constantly fixing little stuff that breaks because of the added stress of FI... Here's an example...
https://my350z.com/forum/forced-induction/277402-maintaining-an-turboed-z-an-example.html

One of my guy friends was telling me that going FI is a balancing act... Like trying to lean back in a chair and balancing on the back two legs without falling. It can be done, but it ain't easy without constant adjustments to your balance. And if you fall, it hurts.

Last edited by gothchick; 06-07-2007 at 05:10 AM.
Old 06-05-2007, 06:01 AM
  #71  
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Your friend is right on the bnalancin act. When i built the wrx it was supposed to be "bulletproof" from the motor to the trans...well after 40k spent...it r, good till coilpacks went, spark plugs, alternators, valves, misfires, tuning issues, etc..it never ended a huge money pit..but yeah i would def do it again..

Power is like heroin , once u have it, u always want/need it. Ur hooked for life!
Old 06-05-2007, 06:08 AM
  #72  
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Your friend is right on the bnalancin act. When i built the wrx it was supposed to be "bulletproof" from the motor to the trans...well after 40k spent...it r, good till coilpacks went, spark plugs, alternators, valves, misfires, tuning issues, etc..it never ended a huge money pit..but yeah i would def do it again..

Power is like heroin , once u have it, u always want/need it. Ur hooked for life!
Old 06-05-2007, 06:09 AM
  #73  
SirSpeedyZ
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Originally Posted by HondaKiller
Spacer - 10hp
Pop Charger - 3hp
Test Pipes - 5hp
exhaust - 5hp

Give or take a couple hp, you should be around 30 depending on climate tempature and elevation. Throw in a tune and you'll make 30.
that is depressing, with how much it costs
Old 06-05-2007, 04:07 PM
  #74  
doug
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Originally Posted by 13SECZ
buy it from them?...
yes
Old 06-05-2007, 04:08 PM
  #75  
doug
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Originally Posted by 13SECZ
truly my 190 hp maxima responded better to bolt ons...lol.
.
no it doesn't
Old 06-05-2007, 04:27 PM
  #76  
yoichi
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Originally Posted by Cannysage
bs, I've gained like 14whp with popcharger and spacers alone.. 264whp at the dyno.
How the heck did you do that??? on what dyno???
Old 06-05-2007, 04:32 PM
  #77  
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OK, I have almost all N/A but I ditched the intake in favor of a drop in and threw my topspeed exhaust in the garbage and got a full cat-back TurboXS Exhaust.

My old setup

UTEC
UTR Test pipes
Topspeed Exhaust
UTR Crank Pulley
Injen Short Ram
AAM Spacer

267 whp

probably just under 30whp
Old 06-05-2007, 04:40 PM
  #78  
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I made 27 whp on my 99 max with an intake, race pipe, and a catback..only cost me 1500...hard to argue...but then again i started lower...
Old 06-05-2007, 04:52 PM
  #79  
doug
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Originally Posted by 13SECZ
I made 27 whp on my 99 max with an intake, race pipe, and a catback..only cost me 1500...hard to argue...but then again i started lower...
you are dreaming... 5spd 99's dyno'd 170 whp .. 27whp would give you 197 whp.. you are dreaming if you dyno'd that.. to get even close to 200 whp on a 99 you would need y pipe, CAI, JWT ECU, 2000 Maxima Variable Intake, and catback..

looks like someone was playing with your dyno numbers


201 whp http://forums.maxima.org/showthread.php?t=422998

Mod list:

Apexi intake with Frankencar midpipe
70mm Pathy TB
Port matched 2K VI (Switch over at 4800 rpm)
5th gen lower with no swirl valves
Homemade grounding kit
Stillen flywheel
Warpspeed non mandrel Y-pipe
Resontated test pipe
2.5" custom catback
Stillen muffler section
34 pound tire/wheel combo

SMT-6 tune - 13.5 A/F and +8 timing

DynoJet
SAE CF = 1.01

94.77 F , 29.70 in Hg , Humidity 10% (500ft elevation)

185 whp http://forums.maxima.org/showthread.php?t=422997

98 maxima SE 5 speed 90,000 miles

mods:
TS ecu (special request timing)
Cattman Y-pipe
Stillen intake
Budget 2.5" resonated b-pipe
Budget test pipe with O2 bung (for dyno purposes only)

dynojet
4th gear pulls
CF = 0.96
here are close to your mods http://forums.maxima.org/showthread.php?t=277091


174.6whp - 189.2wtq - 1999 SE-L Manual

1999 SE-L Manual
PopCharger
Midpipe
Testpipe
Stock 16 SE-L rims

Dyno was on a 248c Dynojet...a/f ratio is at bottom of graph.


189 fwhp 1999 SE-L Manual w/ race headers and y pipe
so at best.. you were looking at 4 - 8 whp with your mods depending on yoru baseline
Old 06-05-2007, 04:53 PM
  #80  
Track
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The Z gains less with each mod only because it came so well-engineered from the factory. Headers don't help as much as they do on some cars because the new Z already has equal-length, tuned tubing from the factory. Aftermarket CAI doesn't help as much, because the car already has CAI... and so on.

If an AEM CAI gives a car 10 hp, then its factory intake must have really sucked (but not in the good way).

That is what makes squeezing even more N/A hp out of the Z such a challenge, and what makes success at such an endeaver so rewarding. This car demands that you do your homework and think really hard before you are going to out-do what the Nissan engineers have provided.

That speaks very well of the science and engineering behind the Z's design and reinforces my confindence in my choice to buy the new Z.


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