Dissapointing dyno results... your thoughts? - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

INeedNewTires · 10-04-2007, 02:47 PM

Alright guys, got my car tuned by tony @ T1 Racing here in dallas tx, he's supposed to be really good with hondas and tuning but i am dissapointed in my numbers. ill list my mods and you guys tell me if im about right on the power or need some more tuning.

S14 SR
Crower rods
Weisco forged pistons bored .020 over.
HKS cams, step 2 (264 i think?)
rebuilt head
GT2871R
stock intake and exhaust manifold
Hybrid IC
Apexi intake
Z32 MAF
740cc injectors
walbro 255 fuel pump
Apexi 3 in exhaust
Greddy elbow and down pipe
megan test pipe
Tuned with Apexi power FC

So at 1.3 BAR she made 363 whp and 353 tq

What do you guys think? I was hoping for at least 380, maby closer to 400.

My next few things are going to be UR crank pulley, tubular exhaust manifold which should put me alot closer or maby over 400 whp. But maby i just need to get it tuned a bit better? I do live in tx and the air here is hotter and thinner, so that may play a part but shit, i am dissapointed. let me know what your opinions are, and any maby running a similar setup? whatcha think?

gotparts? · 10-04-2007, 02:50 PM

good numbers i think for texas weather. and the manifold will make a difference on power.

unit_121 · 10-04-2007, 02:55 PM

Get a AEM Standalone, I bet you would make way more power with the set up that system makes. You should upgrade your intake and exhaust manifolds for better flowing air. Maybe applify your ignition system,

statik · 10-04-2007, 03:05 PM

agreed, intake and exhaust manifolds. post up the dyno

Tops* · 10-04-2007, 03:08 PM

The majority of the people I see running the GT28 setup are pushing somewhere in the ballpark of 350-375whp. Is there a reason you're still using the stock intake manifold?

So...you're telling us you're not satisfied with 363whp/353tq? Do you seriously need anymore in a S14? You're where I'll hopefully be a year from now.

GL with the rest of your build.

slimcat7m3 · 10-04-2007, 03:11 PM

what ar on that turbo? If its a 64 you should be about right on with stock intake and exhaust manifolds.

steve shadows · 10-04-2007, 03:27 PM

was this on a dyno jet?

either way thats right where you should be actually maybe less, thats a great number for your setup.

if your car really had that much hp you would be complaining about needing to drive around are larger tires possibly aired down.

If you replace the intake manifold, take it to a nissan tuner you should be able to hit 400.

.86 is capable of 420 whp (on a shitty fucking dynojet).

You might only have 256 step 1 cams, how is it that you dont know what cams you have...thats kind of wierd.

post the graph up!

INeedNewTires · 10-04-2007, 03:28 PM

ill get the dyno posted as soon as i can. Manifolds are to come but need to do more suspension/safety mods first. ive got an oil cooler on the way, and catch tank. I'm thinking about re-locating the air filter down into the area right in front of the driver tire fender well. looks like alot of good airflow down there, plus colder air, im just worried about sucking up water..... will address that later.

Tops* Yes i love the power i'm making, shouldnt need more right? well theres no such thing as too much power hahaha, you'll see, once you complete your setup and drive it for a little while, you'll be thirsty for more

Slimcat- yes the AR is .64 so i guess im about right on.

What about the whole pully thing? what kind of gains can i expect to see on this setup? thanks for the input guys

steve shadows · 10-04-2007, 03:29 PM

what are you trying to do with the car?

You should be tuning for power band not complaining about peak numbers if your drifting.

If you want to drag race the thing go 3076r with nitrous or gt35r +n20.

if you want to street race go 3071R with N20.

INeedNewTires · 10-04-2007, 03:35 PM

mostly track and some drift. not worried about drag nor street race. I just thought that after spending all that money i'd see closer to 400 but maby not, im not unhappy with my car, just a little dissapointed, maby i needed to do more research first.

obviously powerband was what i was going for, and quick spool thats why i decided on the 2871R. it does spool really fast and feels pretty linear as well.

Which should i do first, intake or exhaust manifold.

steve shadows · 10-04-2007, 03:55 PM

exaust manifold does close to nothing.

do the greddy IM, then get a haltech

OBEEWON · 10-04-2007, 04:10 PM

You can definitely make a little over 400 on that turbo.

Nikeboy355 · 10-04-2007, 05:32 PM

I think the power looks correct... Especially torque...
It's a stock SR with larger pistons... no cams, valvetrain, or manifolds...

We expect our margin of error to be anywhere from 10-20% from comparing so many different dynos, operators, and dyno technicians/calibrators...

Post up the graph when you have it...

steve shadows · 10-04-2007, 05:35 PM

Quote:

Originally Posted by Nikeboy355

I think the power looks correct... Especially torque...
It's a stock SR with larger pistons... no cams, valvetrain, or manifolds...

We expect our margin of error to be anywhere from 10-20% from comparing so many different dynos, operators, and dyno technicians/calibrators...

Post up the graph when you have it...

Quote:

HKS cams, step 2 (264 i think?)

even still I think this is right on. If he had a standalone tuned on a brake eddy dyno, with race gas hed be on his way to 400+ whp oh and greddy IM.

if your dissapointed wait until you strap it to a dynodynamics. I twould probably only show up at like 315whp\

If you just want big numbers get a gt35 R and 272 cams. nice peaky, big numbers, you can do 400whp at 15psi

Tom Ngan · 10-04-2007, 08:11 PM

Intake manifold for sure!

smelly240 · 10-04-2007, 08:23 PM

yeah - usually cams and intake manifold are good for at least 50heeps... you already have cams (or some sorta cam change thing happenin there) so u can expect somthin from a intake mani.

harangatang · 10-04-2007, 08:26 PM

intake/exhaust manifold should help a lot..
The numbers sound pretty good to me for teh setup.. but if interested in another tune:
since your also in dallas.. go check out GS Tuner: http://www.gstuner.us/
Guys awesome, took my car to him b/c I couldnt get it running.. Top notch stuff.
And I really dont like Alamo in Arlington, but Ive heard they can pull some crazy numbers out of their ass tuning cars. They had a s14 w/a rb25 stock engine and turbo, they made 400+whp.

my 2 1/2 cents..

cyclone92692 · 10-04-2007, 11:24 PM

that turbo is too small get a bigger turbo and a standalone. you NEED a stand alone and a BIGGER turbo

jackal264 · 10-05-2007, 04:48 AM

with an intake mani won't he end up losing torque? or have i been led astray?

codyace · 10-05-2007, 07:45 AM

Quote:

Originally Posted by unit_121

Get a AEM Standalone, I bet you would make way more power with the set up that system makes. You should upgrade your intake and exhaust manifolds for better flowing air. Maybe applify your ignition system,

Intake only. Keep the stocker. Ideal gas law is your friend. And to hell with a Standalone at that power level...ROM tunes provide you with better drivability and equal power.

Quote:

Originally Posted by slimcat7m3

what ar on that turbo? If its a 64 you should be about right on with stock intake and exhaust manifolds.

Agreed. Certainly believe that a Greddy IM, some Extrude hone for the Ex Mani and turbine housing, and some tuning it will be damn near my numbers, if not possibly higher.

Quote:

Originally Posted by INeedNewTires

ill get the dyno posted as soon as i can. Manifolds are to come but need to do more suspension/safety mods first. ive got an oil cooler on the way, and catch tank. I'm thinking about re-locating the air filter down into the area right in front of the driver tire fender well. looks like alot of good airflow down there, plus colder air, im just worried about sucking up water..... will address that later.

My intake is right behind the drivers side headlamp.

Quote:

Originally Posted by INeedNewTires

Tops* Yes i love the power i'm making, shouldnt need more right? well theres no such thing as too much power hahaha, you'll see, once you complete your setup and drive it for a little while, you'll be thirsty for more

With the power you're making, you will be an ANIMAL on the roadcourse with it. Man, you have no clue how fast 360 whp is until you put it in a little S chassis and go beat up on Vettes with it.

Quote:

Originally Posted by INeedNewTires

What about the whole pully thing? what kind of gains can i expect to see on this setup? thanks for the input guys

Nothing substantial. Only reason I have it, is because I lost the stocker. I also would suggest getting a underdriven water pump pulley to help with cavatation at higher RPMS.

Quote:

Originally Posted by INeedNewTires

mostly track and some drift. not worried about drag nor street race. I just thought that after spending all that money i'd see closer to 400 but maby not, im not unhappy with my car, just a little dissapointed, maby i needed to do more research first.

The only way you can make 400/400 cheap is through an LS1. Anything else (especially a 4 cylinder) is going to cost you a dollar or 2.

Quote:

Originally Posted by INeedNewTires

Which should i do first, intake or exhaust manifold.

Greddy IM.

Quote:

Originally Posted by OBEEWON

You can definitely make a little over 400 on that turbo.

Would be nice, but there are only 1 or 2 of us with that power on the .64 yet (that have posted per say)...I think he'd be right there with us.

Quote:

Originally Posted by cyclone92692

that turbo is too small get a bigger turbo and a standalone. you NEED a stand alone and a BIGGER turbo

Um, who are you? Bigger turbo? Pfft. Have you ever driven a properly setup 'small turbo' sr before? Don't hate on it till you have, as I'm confident you'd be pleasently surprized.

steve shadows · 10-05-2007, 10:10 AM

hahah

"you need a bigger turbo"

thats just funny to me

hes right use a t88d, great for drifting

s86d · 10-05-2007, 11:06 AM

Quote:

Originally Posted by codyace

Would be nice, but there are only 1 or 2 of us with that power on the .64 yet (that have posted per say)...I think he'd be right there with us.

with a .64 and s14 notch you are dead on with those numbers. What was the a/f?

You would have had the numbers you wanted on a bigger turbine ar housing, but it's still a very fun car to drive right?

INeedNewTires · 10-05-2007, 01:17 PM

On the cams thing, the only reason i am not 100% sure is because i bought the head built already. So the guy i bought it from, who i do trust, said they were HKS 264's. valvetrain was re-built but not beef'd up.

Codyace- thanks for the nice breakdown and answering all my questions... Didnt quite get this quote though "Intake only. Keep the stocker. Ideal gas law is your friend." does that mean keep the stock exhaust manifold and get the greddy Intake manifold. From what ive researched the exhaust manifold will do little for power but imporove throttle response and reduce lag. correct? and what is the "ideal gas law"? ............ cant wait to beat up on some vettes though, your right about that.

Definitely dont want a 'bigger turbo' i am extremely satisfied with the power i'm making, again i just thought the numbers would be a bit higher but i guess not, seems like about all of you say i'm right on so i'm happy. its like one of my friends said, its just a number, not like its any slower!

S86d- the A/f on my greddy gauge reads 8:1 @ full throttle, and stays around 11:1 under normal conditions, when i get the dyno graph ill know a more accrate readout....... and yes, it is a HELL of a lot of fun to drive

steve shadows · 10-05-2007, 03:54 PM

Quote:

Originally Posted by INeedNewTires

. valvetrain was re-built but not beef'd up.

ok that means nothing

projectdrifter · 10-05-2007, 04:20 PM

Quote:

Originally Posted by steve shadows

hahah

"you need a bigger turbo"

thats just funny to me

hes right use a t88d, great for drifting

the re d1gp rx7 uses a t88.. and its for drifting..

projectdrifter · 10-05-2007, 04:23 PM

back o topictho. 360/350 is a great setup man very square hp/torque car must be a blast to drive. a buddy of mine just put down 397 and 310torque.
id honestly be happier with your setup much more rounded. and he has a few parts you dont. id assume yours would have a lil more umph as you have more torque than he does. just my 2 cents. congrats on the numbers tho.

daryl337 · 10-05-2007, 04:25 PM

Rx7's also rev higher than most Sr's which means you have a longer power band to play with if you keep the motor in low gears.

Grenade180sx · 10-05-2007, 04:51 PM

keep the stock mani and port it! i can bet it will make more power then a tubular one. plus no cracking, cheaper and lower under hood temps!

codyace · 10-05-2007, 04:51 PM

Quote:

Originally Posted by s86d

with a .64 and s14 notch you are dead on with those numbers. What was the a/f?

You would have had the numbers you wanted on a bigger turbine ar housing, but it's still a very fun car to drive right?[/QUOTE]

Mine made 400/330 with an a/f of 11.7ish at WOT. .64 housing for life.

Fantastically fun. Instant low end fun, no waiting for power, nothing. It's literally like driving a V8 car. The only thing in my experience to have better instant response (this side of a bike @ rpm) is my buddies Turbo 331 mustang...but then again, it's got an itty bitty t66 on the 5.3/5.4 hehe.

Quote:

Originally Posted by INeedNewTires

Didnt quite get this quote though "Intake only. Keep the stocker. Ideal gas law is your friend." does that mean keep the stock exhaust manifold and get the greddy Intake manifold. From what ive researched the exhaust manifold will do little for power but imporove throttle response and reduce lag. correct? and what is the "ideal gas law"? ............ cant wait to beat up on some vettes though, your right about that.

The stock exhaust manifold, which I highly recommend to get extrude honed and swain coated, will spool all t2 flanged turbos faster than any tubular style manifold. While you do risk to loose some upper RPM power from it, the gain in low end/midrange torque greatly outweighs the slight HP you may or may not potentially gain. Wait till you get some heat in her, then you'll really get that little turbo spinning

Quote:

Originally Posted by INeedNewTires

its like one of my friends said, its just a number, not like its any slower!

Exactly! Who cares about numbers, as long as it's fun and quick

steve shadows · 10-05-2007, 05:19 PM

Quote:

Originally Posted by projectdrifter

the re d1gp rx7 uses a t88.. and its for drifting..

its also a rotary ; )

10-04-2007, 02:47 PM	#1
INeedNewTires Zilvia FREAK! Join Date: May 2003 Location: Austin, TX Posts: 1,527 Trader Rating: (4) Rides Gallery: INeedNewTires Feedback Score: 4 reviews	Dissapointing dyno results... your thoughts? Alright guys, got my car tuned by tony @ T1 Racing here in dallas tx, he's supposed to be really good with hondas and tuning but i am dissapointed in my numbers. ill list my mods and you guys tell me if im about right on the power or need some more tuning. S14 SR Crower rods Weisco forged pistons bored .020 over. HKS cams, step 2 (264 i think?) rebuilt head GT2871R stock intake and exhaust manifold Hybrid IC Apexi intake Z32 MAF 740cc injectors walbro 255 fuel pump Apexi 3 in exhaust Greddy elbow and down pipe megan test pipe Tuned with Apexi power FC So at 1.3 BAR she made 363 whp and 353 tq What do you guys think? I was hoping for at least 380, maby closer to 400. My next few things are going to be UR crank pulley, tubular exhaust manifold which should put me alot closer or maby over 400 whp. But maby i just need to get it tuned a bit better? I do live in tx and the air here is hotter and thinner, so that may play a part but shit, i am dissapointed. let me know what your opinions are, and any maby running a similar setup? whatcha think? __________________

10-04-2007, 03:05 PM	#4
statik Zilvia FREAK! Join Date: Oct 2003 Location: Long Island, NY Age: 37 Posts: 1,358 Trader Rating: (0) Rides Gallery: statik Feedback Score: 0 reviews	agreed, intake and exhaust manifolds. post up the dyno __________________ 97 240sx esaarr \| Current Status: SOLD

10-04-2007, 03:08 PM	#5
Tops* Zilvia Addict Join Date: Sep 2007 Location: SF, CA Age: 33 Posts: 966 Trader Rating: (6) Feedback Score: 6 reviews	The majority of the people I see running the GT28 setup are pushing somewhere in the ballpark of 350-375whp. Is there a reason you're still using the stock intake manifold? So...you're telling us you're not satisfied with 363whp/353tq? Do you seriously need anymore in a S14? You're where I'll hopefully be a year from now. GL with the rest of your build. __________________ MADE IN JAPAN

10-04-2007, 03:27 PM	#7
steve shadows Post Whore! Join Date: Aug 2003 Location: LA and OC Posts: 8,202 Trader Rating: (5) Feedback Score: 5 reviews	was this on a dyno jet? either way thats right where you should be actually maybe less, thats a great number for your setup. if your car really had that much hp you would be complaining about needing to drive around are larger tires possibly aired down. If you replace the intake manifold, take it to a nissan tuner you should be able to hit 400. .86 is capable of 420 whp (on a shitty fucking dynojet). You might only have 256 step 1 cams, how is it that you dont know what cams you have...thats kind of wierd. post the graph up! __________________ Like Me on FaceBook !

10-04-2007, 03:28 PM	#8
INeedNewTires Zilvia FREAK! Join Date: May 2003 Location: Austin, TX Posts: 1,527 Trader Rating: (4) Rides Gallery: INeedNewTires Feedback Score: 4 reviews	ill get the dyno posted as soon as i can. Manifolds are to come but need to do more suspension/safety mods first. ive got an oil cooler on the way, and catch tank. I'm thinking about re-locating the air filter down into the area right in front of the driver tire fender well. looks like alot of good airflow down there, plus colder air, im just worried about sucking up water..... will address that later. Tops* Yes i love the power i'm making, shouldnt need more right? well theres no such thing as too much power hahaha, you'll see, once you complete your setup and drive it for a little while, you'll be thirsty for more Slimcat- yes the AR is .64 so i guess im about right on. What about the whole pully thing? what kind of gains can i expect to see on this setup? thanks for the input guys __________________

10-04-2007, 02:50 PM	#2
gotparts? Leaky Injector Join Date: Feb 2006 Location: vietnam Posts: 54 Trader Rating: (0) Feedback Score: 0 reviews	good numbers i think for texas weather. and the manifold will make a difference on power.

10-04-2007, 02:55 PM	#3
unit_121 BANNED Join Date: Aug 2006 Location: Monrovia Posts: 155 Trader Rating: (0) Feedback Score: 0 reviews	Get a AEM Standalone, I bet you would make way more power with the set up that system makes. You should upgrade your intake and exhaust manifolds for better flowing air. Maybe applify your ignition system,

10-04-2007, 03:11 PM	#6
slimcat7m3 Leaky Injector Join Date: Apr 2006 Location: Iowa City, Iowa Posts: 91 Trader Rating: (3) Feedback Score: 3 reviews	what ar on that turbo? If its a 64 you should be about right on with stock intake and exhaust manifolds.

10-04-2007, 03:29 PM	#9
steve shadows Post Whore! Join Date: Aug 2003 Location: LA and OC Posts: 8,202 Trader Rating: (5) Feedback Score: 5 reviews	what are you trying to do with the car? You should be tuning for power band not complaining about peak numbers if your drifting. If you want to drag race the thing go 3076r with nitrous or gt35r +n20. if you want to street race go 3071R with N20. __________________ Like Me on FaceBook !

10-04-2007, 03:35 PM	#10
INeedNewTires Zilvia FREAK! Join Date: May 2003 Location: Austin, TX Posts: 1,527 Trader Rating: (4) Rides Gallery: INeedNewTires Feedback Score: 4 reviews	mostly track and some drift. not worried about drag nor street race. I just thought that after spending all that money i'd see closer to 400 but maby not, im not unhappy with my car, just a little dissapointed, maby i needed to do more research first. obviously powerband was what i was going for, and quick spool thats why i decided on the 2871R. it does spool really fast and feels pretty linear as well. Which should i do first, intake or exhaust manifold. __________________

10-04-2007, 03:55 PM	#11
steve shadows Post Whore! Join Date: Aug 2003 Location: LA and OC Posts: 8,202 Trader Rating: (5) Feedback Score: 5 reviews	exaust manifold does close to nothing. do the greddy IM, then get a haltech __________________ Like Me on FaceBook !

10-04-2007, 04:10 PM	#12
OBEEWON Post Whore! Join Date: Feb 2006 Location: Hightened State of Emergency Posts: 6,051 Trader Rating: (9) Feedback Score: 9 reviews	You can definitely make a little over 400 on that turbo. __________________

10-04-2007, 05:32 PM	#13
Nikeboy355 Zilvia Addict Join Date: Mar 2004 Location: Los Angeles, CA Age: 41 Posts: 734 Trader Rating: (0) Feedback Score: 0 reviews	I think the power looks correct... Especially torque... It's a stock SR with larger pistons... no cams, valvetrain, or manifolds... We expect our margin of error to be anywhere from 10-20% from comparing so many different dynos, operators, and dyno technicians/calibrators... Post up the graph when you have it... __________________ http://respectvolkracing.blogspot.com/

10-04-2007, 08:11 PM	#15
Tom Ngan Leaky Injector Join Date: Nov 2006 Location: x Posts: 102 Trader Rating: (0) Feedback Score: 0 reviews	Intake manifold for sure!

10-04-2007, 08:23 PM	#16
smelly240 Nissanaholic! Join Date: Oct 2006 Location: Philaburbia Age: 43 Posts: 2,137 Trader Rating: (4) Feedback Score: 4 reviews	yeah - usually cams and intake manifold are good for at least 50heeps... you already have cams (or some sorta cam change thing happenin there) so u can expect somthin from a intake mani. __________________ HREs on a S13 - check, 6262 - check, Girlfriend.... - nope

10-04-2007, 08:26 PM	#17
harangatang Zilvia Addict Join Date: Apr 2007 Location: Dallas, Texas Age: 32 Posts: 931 Trader Rating: (9) Feedback Score: 9 reviews	intake/exhaust manifold should help a lot.. The numbers sound pretty good to me for teh setup.. but if interested in another tune: since your also in dallas.. go check out GS Tuner: http://www.gstuner.us/ Guys awesome, took my car to him b/c I couldnt get it running.. Top notch stuff. And I really dont like Alamo in Arlington, but Ive heard they can pull some crazy numbers out of their ass tuning cars. They had a s14 w/a rb25 stock engine and turbo, they made 400+whp. my 2 1/2 cents.. __________________ Tyler

10-04-2007, 11:24 PM	#18
cyclone92692 Leaky Injector Join Date: Aug 2007 Location: O.C Posts: 79 Trader Rating: (0) Feedback Score: 0 reviews	that turbo is too small get a bigger turbo and a standalone. you NEED a stand alone and a BIGGER turbo __________________

10-05-2007, 04:48 AM	#19
jackal264 Zilvia Junkie Join Date: Feb 2007 Location: vancouver, canada Age: 35 Posts: 360 Trader Rating: (1) Feedback Score: 1 reviews	with an intake mani won't he end up losing torque? or have i been led astray?

10-05-2007, 10:10 AM	#21
steve shadows Post Whore! Join Date: Aug 2003 Location: LA and OC Posts: 8,202 Trader Rating: (5) Feedback Score: 5 reviews	hahah "you need a bigger turbo" thats just funny to me hes right use a t88d, great for drifting __________________ Like Me on FaceBook !

10-05-2007, 01:17 PM	#23
INeedNewTires Zilvia FREAK! Join Date: May 2003 Location: Austin, TX Posts: 1,527 Trader Rating: (4) Rides Gallery: INeedNewTires Feedback Score: 4 reviews	On the cams thing, the only reason i am not 100% sure is because i bought the head built already. So the guy i bought it from, who i do trust, said they were HKS 264's. valvetrain was re-built but not beef'd up. Codyace- thanks for the nice breakdown and answering all my questions... Didnt quite get this quote though "Intake only. Keep the stocker. Ideal gas law is your friend." does that mean keep the stock exhaust manifold and get the greddy Intake manifold. From what ive researched the exhaust manifold will do little for power but imporove throttle response and reduce lag. correct? and what is the "ideal gas law"? ............ cant wait to beat up on some vettes though, your right about that. Definitely dont want a 'bigger turbo' i am extremely satisfied with the power i'm making, again i just thought the numbers would be a bit higher but i guess not, seems like about all of you say i'm right on so i'm happy. its like one of my friends said, its just a number, not like its any slower! S86d- the A/f on my greddy gauge reads 8:1 @ full throttle, and stays around 11:1 under normal conditions, when i get the dyno graph ill know a more accrate readout....... and yes, it is a HELL of a lot of fun to drive __________________ Last edited by INeedNewTires; 10-05-2007 at 02:06 PM..

10-05-2007, 04:23 PM	#26
projectdrifter Zilvia Addict Join Date: Feb 2006 Location: myrtle beach,south carolina Posts: 932 Trader Rating: (0) Feedback Score: 0 reviews	back o topictho. 360/350 is a great setup man very square hp/torque car must be a blast to drive. a buddy of mine just put down 397 and 310torque. id honestly be happier with your setup much more rounded. and he has a few parts you dont. id assume yours would have a lil more umph as you have more torque than he does. just my 2 cents. congrats on the numbers tho. __________________ Mouth of the South There are a few mailboxes that have been looking at me the wrong way, lately. Nothing goes unchecked.

10-05-2007, 04:25 PM	#27
daryl337 Zilvia Junkie Join Date: Aug 2005 Location: Pac NW Age: 35 Posts: 589 Trader Rating: (1) Feedback Score: 1 reviews	Rx7's also rev higher than most Sr's which means you have a longer power band to play with if you keep the motor in low gears. __________________ This is my clever and witty signature.

10-05-2007, 04:51 PM	#28
Grenade180sx Nissanaholic! Join Date: Aug 2007 Location: 909/951 Age: 33 Posts: 2,455 Trader Rating: (1) Feedback Score: 1 reviews	keep the stock mani and port it! i can bet it will make more power then a tubular one. plus no cracking, cheaper and lower under hood temps!

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