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#49170 - 27/06/01 05:15 PM HP after mods?
xbertmx Offline
Member

Registered: 28/05/01
Posts: 340
Loc: Ab, Canada
Hey,
I'm trying to decide between waiting for an 02 or just getting my X now. So heres what my question is. If I was to get a new intake and exhuast system, and an air filter what kind of increase in power am I looking at?

I'm sure some people here have done all this and I'd appreciate if you all could help me out. Thanks.

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#49171 - 27/06/01 06:35 PM Re: HP after mods?
KillerX Offline
Member

Registered: 20/12/00
Posts: 268
Loc: Maryland
My guess is 170 HP and 200 lb./ft. of torque.

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2000 Silver Ice SE 4X4 Auto
MAXC member

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#49172 - 27/06/01 06:57 PM Re: HP after mods?
xbertmx Offline
Member

Registered: 28/05/01
Posts: 340
Loc: Ab, Canada
Its 170 from the factory...

I mean after the mods.

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#49173 - 27/06/01 08:51 PM Re: HP after mods?
Lightning Offline
Member

Registered: 07/03/01
Posts: 1004
Loc: High Point, NC
it all depends on what stickers you add to your X!

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'00 4x4 V6 XE
Yella 3pack
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#49174 - 27/06/01 09:09 PM Re: HP after mods?
ChuckH Offline
Member

Registered: 27/02/01
Posts: 5206
Loc: Seattle, WA
Probably 185 HP and 185 lb/ft at 3500 RPM of torque.

You have to give to receive!



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ChuckH
2000 SE 4x4, Aztec Red
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ChuckH
"Every morning when I wake up I know it's not going to get any better 'til I go back to sleep again!" Al Bundy

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#49175 - 28/06/01 08:25 AM Re: HP after mods?
stormy Offline
Member

Registered: 13/06/01
Posts: 1454
Loc: NH
The guys at SLR said with the cat-back and iv airbox mod, it's between 190-192hp... I have no idea of the RPM. Seems like a lot to me

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01 SE Super Black

[This message has been edited by stormy (edited 06-28-2001).]
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#49176 - 29/06/01 01:00 AM Re: HP after mods?
Strom Offline
Member

Registered: 15/12/01
Posts: 1879
Loc: Los Angeles, CA
Check this out:
http://www.spencerlowracing.com/technotes/technotes_dynoresults.html

I will also post after I pick up my truck on Monday (7/2) - they are designing an exhaust specifically for the Xterra. Which makes me wonder, does anyone know what exhaust they are selling at SLR? Is it the Frontier exhaust?

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#49177 - 29/06/01 07:57 AM Re: HP after mods?
xbx Offline
Member

Registered: 28/05/01
Posts: 51
Loc: AB, Canada
Man thats huge. I mean I know that 220 Hp is the peak but thats still a big increase. But there must be a disadvantage to get that much extra power out of the engine, right?

How much would something like probably cost you?

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#49178 - 30/06/01 11:49 AM Re: HP after mods?
JonSL Offline
Member

Registered: 22/12/00
Posts: 179
Loc: Melbourne, Fl - USA
The Cam Shaft in the spec on the Low Racing page, is that the stock or after market cam? I jump from 170hp to 220hp with just some bolt on parts seems a bit high?

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John
00 Silver SE 4X4 5spd
www.sluder.net/xterra
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00 Silver SE 4X4 5spd
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#49179 - 30/06/01 07:47 PM Re: HP after mods?
xbertmx Offline
Member

Registered: 28/05/01
Posts: 340
Loc: Ab, Canada
So then if you give up some torque but gain some HP then that would mean your X would have a higher top speed but lower acceleration when your first getting going (as in getting onto the freeway or something like that), right or wrong?

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#49180 - 06/07/01 07:57 AM Re: HP after mods?
vikingX Offline
Member

Registered: 06/07/01
Posts: 19
Wow,
the specs on that SLR performance kit are huge. More torque and more hp.
Hate to see how much it is, performance is all about money, how fast do you want to go?

01 XE 4x4 V6 5spd
Super (hard to keep clean) Black

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#49181 - 06/07/01 08:32 AM Re: HP after mods?
pepper kay Offline
Member

Registered: 06/04/01
Posts: 1083
Loc: TX
The problem as I see it is you get the huge increases in hp with huge increases in rpm ...

How many on the Forum have had their X revved up to 4300 rpm ? ...

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Pepper Kay
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#49182 - 06/07/01 09:39 AM Re: HP after mods?
DaveDatsun Offline
Member

Registered: 16/08/00
Posts: 1421
Loc: Sahuarita, AZ
...4,300 and beyond.

dave and xtoy - not that it's worth the trouble with that boat anchor

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#49183 - 06/07/01 09:45 AM Re: HP after mods?
RiX Offline
Member

Registered: 26/06/01
Posts: 31
Loc: Houston, TX
I wince when I hit 4000RPM.

It's all "how fast can you afford"?

My $0.02 however... go for a roots type supercharger. It gives more power/torque where you need it... at lower RPMs. All the other mods are made for higher RPM horsepower gains.

Just my $0.02.

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#49184 - 06/07/01 03:37 PM Re: HP after mods?
RiX Offline
Member

Registered: 26/06/01
Posts: 31
Loc: Houston, TX
I just looked at the orginal post and realized I didn't address your question. Let me try again.

I used to have a 240sx... I souped it up with new headers, cat, cat-back exhaust, and high flow intake... I noticed a DROP in low RPM power and an INCREASE in top end power... my quess is that it'll do the same to your X.

I would consider waiting till August to test drive the '02 SC. It's right around the corner. Then make your decision. Plus, if you decide that you do not need the SC, you can get a great deal on an 01.

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#49185 - 06/07/01 03:45 PM Re: HP after mods?
Craigs_Tonka Offline
Member

Registered: 23/03/01
Posts: 1592
Loc: Phoenix, AZ
Quote:
Originally posted by pepper kay:
How many on the Forum have had their X revved up to 4300 rpm ? ...
Uh, every day. The automatic transmission has shift points higher than that. The redline is on the tach for a reason,,, run it up there sometime, you may enjoy it. hehe



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My wife calls it the "Intrepid Bee", I call it "Tonka".
craigs-tonka@home.com
www.azxterraclub.com
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#49186 - 06/07/01 04:29 PM Re: HP after mods?
mohamidsX Offline
Member

Registered: 16/05/01
Posts: 35
Loc: Inglewood,California
Quote:
Originally posted by pepper kay:

How many on the Forum have had their X revved up to 4300 rpm ? ...


Man, i would hate to go off roading with you!!



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#49187 - 07/07/01 12:40 AM Re: HP after mods?
Kerensky97 Offline
Member

Registered: 12/03/01
Posts: 3385
Loc: Utah
Quote:
How many on the Forum have had their X revved up to 4300 rpm ? ...


I try to keep my rpms as low as possible, typical freeway rpms is 3000, city varies but never about 4000 if I can help it, off-road usually below 2500.

I also get 18mpg .

Quote:
Uh, every day. The automatic transmission has shift points higher than that. The redline is on the tach for a reason,,, run it up there sometime, you may enjoy it


My automatic never shifts that high.
And I have pushed it up to 5,000 rpm once or twice, but the scream the engine makes that high makes me shudder.

<----Threw a rod once, engine fire, got new car .

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Whenever I see an old lady slip and fall on a wet sidewalk, my first instinct is to laugh. But then I think, what is I was an ant, and she fell on me. Then it wouldn't seem quite so funny."
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#49188 - 07/07/01 09:02 AM Re: HP after mods?
Craigs_Tonka Offline
Member

Registered: 23/03/01
Posts: 1592
Loc: Phoenix, AZ
Quote:
Originally posted by Kerensky97:
My automatic never shifts that high.
Have you ever pushed the little skinny petal on the right, all the way to the floor? Shift points change depending on how heavy on the throttle you are. When I'm heavy on the throttle I shift out of first and second at 5500rpm. Doesn't hurt the engine a bit or Nissan wouldn't have designed it to do it. Remember they have rev limiters and governors built in too.



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My wife calls it the "Intrepid Bee", I call it "Tonka".
craigs-tonka@home.com
www.azxterraclub.com
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My Photos

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#49189 - 08/07/01 04:38 PM Re: HP after mods?
gearhead1972 Offline
Member

Registered: 16/12/00
Posts: 922
Loc: Brewster NY
my 5 speed sees 4500-5000 daily

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Kevin
00' Super Black SE 5 speed
superblackxterra.tripod.com
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00' Super Black SE 5 speed
www.rockclmr.com

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#49190 - 19/07/01 04:16 PM Re: HP after mods?
Strom Offline
Member

Registered: 15/12/01
Posts: 1879
Loc: Los Angeles, CA
You have to look at it differently.
At the old peak of 2800 rpm, torque has increased from 200 ft. lbs to 226 ft. lbs. There is still an increase (pretty good one), it's just that the PEAK is higher (2800 to 4300 rpm). It's the same way with the horsepower. At the old peak (4800 rpm), it has gone from 170 hp to 215 hp with the mods. This is a healthy increase. The better increase in power at higher rpm is just natural - you get more gas and air going through an engine and you are going to get more power.
I guess another option would be supercharging?

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#49191 - 19/07/01 04:58 PM Re: HP after mods?
Silver Raider Offline
Member

Registered: 14/04/01
Posts: 657
Loc: Goose Creek, SC
I pass 4500 all the time but I don't think I've hit 5000 yet.
If you want all that out of the engine, why buy an X? Buy something with a V8

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'01 Silver Ice V6 XE 4x2 3-PAK blah, blah, blah-Damn nice truck!!
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