intake manifold worTh it?
Get aftermarket cams first, then get a S2 IM (ITR IM copy) if you wanna lose your mid-range but gain top end. You'll definately need a tune afterwards if you get the S2 IM, GSR IM's and the S2 IM's are totally different and your car will run like crap if you install the S2 IM and keep running your stock ecu.
i dont think you will see much difference either, but it is a good place to start if you plan on going further with your build. You can also just get a new T/B and have the manifold port matched, until your cars performance requires you to get a bigger manifold.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 96lsvtec-t »</TD></TR><TR><TD CLASS="quote">i dont think you will see much difference either, but it is a good place to start if you plan on going further with your build. You can also just get a new T/B and have the manifold port matched, until your cars performance requires you to get a bigger manifold.</TD></TR></TABLE>
Aftermarket IM is the worst place to start with on a GSR head. You'll have shitty midrange and the top end gains will be minimal without more aggressive cams.
OP, you should definatley install cams and valvetrain before you install an aftermarket IM.
Aftermarket IM is the worst place to start with on a GSR head. You'll have shitty midrange and the top end gains will be minimal without more aggressive cams.
OP, you should definatley install cams and valvetrain before you install an aftermarket IM.
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i dont have the money to get cams , if i put them in a i would have to tune them and idont have the money, everyonje i was talking to was saying i should just put in the IM
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 4drdohc »</TD></TR><TR><TD CLASS="quote">i dont have the money to get cams , if i put them in a i would have to tune them and idont have the money, everyonje i was talking to was saying i should just put in the IM</TD></TR></TABLE>
If you don't have the money to get a tune why are you even modding you car? A proper tune is vital for not only making more power but for the longevity of your motor. You'll need a tune even after you install the S2 IM. Like I said before, you car will be slower than if you left the stock GSR IM if you install the S2 IM without getting more agressive cams and a tune. Whomever is telling you to get the IM first is a fool.
If you do plan on doing more mods in the future, I would get cams and dual springs. Get a chipped ecu from http://www.pherable.net at the least. A dyno tune would be much better though. If you are still not happy with the gains, then an aftermarket IM and a larger TB can free up some more HP in the top end.
If you don't have the money to get a tune why are you even modding you car? A proper tune is vital for not only making more power but for the longevity of your motor. You'll need a tune even after you install the S2 IM. Like I said before, you car will be slower than if you left the stock GSR IM if you install the S2 IM without getting more agressive cams and a tune. Whomever is telling you to get the IM first is a fool.
If you do plan on doing more mods in the future, I would get cams and dual springs. Get a chipped ecu from http://www.pherable.net at the least. A dyno tune would be much better though. If you are still not happy with the gains, then an aftermarket IM and a larger TB can free up some more HP in the top end.
i have sk2 manifold with stage full boltons untuned and it idles around 1000rpm.but with the s2 IM i do feel alot more power in the top end . im runnin on stock p72 ecu . plannin to get type r pistons and darton sleeves. i wanna get everythin and do a one time tune instead of installin just one part and tunin it.i was thinkin it'll be a waste of money if i do do that .
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 4drdohc »</TD></TR><TR><TD CLASS="quote">i dont have the money to get cams , if i put them in a i would have to tune them and idont have the money, everyonje i was talking to was saying i should just put in the IM</TD></TR></TABLE>
Dude do yourself a favor and hit the search button and type in intake manifold. I will tell you now that you don't need IM for what you are doing you will LOOSE more power than you will gain through the whole rpm range. Yes you will get a little more at top end, but how much of your driving is between 5-8 k rpms. These manni's are designed for mostly turbo applications, the runners are not tuned for a mostly stock application. You need to read up on what's going on and why IM's make power for people. THE STOCK GSR MANNI IS NOT WORTH REPLACING FOR AN AVERAGE N/A BUILD. you will get ALOT more power if you save your money and get cams and a tune.
Dude do yourself a favor and hit the search button and type in intake manifold. I will tell you now that you don't need IM for what you are doing you will LOOSE more power than you will gain through the whole rpm range. Yes you will get a little more at top end, but how much of your driving is between 5-8 k rpms. These manni's are designed for mostly turbo applications, the runners are not tuned for a mostly stock application. You need to read up on what's going on and why IM's make power for people. THE STOCK GSR MANNI IS NOT WORTH REPLACING FOR AN AVERAGE N/A BUILD. you will get ALOT more power if you save your money and get cams and a tune.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dc2_916 »</TD></TR><TR><TD CLASS="quote">i have sk2 manifold with stage full boltons untuned and it idles around 1000rpm.but with the s2 IM i do feel alot more power in the top end . im runnin on stock p72 ecu . plannin to get type r pistons and darton sleeves. i wanna get everythin and do a one time tune instead of installin just one part and tunin it.i was thinkin it'll be a waste of money if i do do that .</TD></TR></TABLE>
What the heck is 'stage full boltons'
If your call is idles at 1000 rpm with just bolt ons, then something is wrong or hasn't been adjusted correctly. My car idles at 800 rpm with BC3 cams.
And how are you gauging this increase in power in top end? Don't even tell my your butt dyno is telling you. I'm 99.9% sure that if you took your car to the track before and after you installed the S2 IM, your car would be slower after the S2 IM install. Especially since you're running a stock P72 ecu which is tuned for a STOCK GSR IM.
Do you have any idea what secondary butterflies are? The stock GSR IM was designed for good throttle response and mid-range. When you swapped out your IM for the S2 IM you lost that mid-range power, and for what? To gain 1-2 hp in the upper rpm band that you probably don't even use have as often as your mid-range if this is a daily driven car.
When thinking about purchasing cams, and an IM, you need to ask yourself, "what RPM do I spend the majority of my time driving in? How often do I take my car to redline? Where do I want my powerband to be?"
Quit giving advice based on you butt dyno and he said she said experience.
What the heck is 'stage full boltons'
If your call is idles at 1000 rpm with just bolt ons, then something is wrong or hasn't been adjusted correctly. My car idles at 800 rpm with BC3 cams.
And how are you gauging this increase in power in top end? Don't even tell my your butt dyno is telling you. I'm 99.9% sure that if you took your car to the track before and after you installed the S2 IM, your car would be slower after the S2 IM install. Especially since you're running a stock P72 ecu which is tuned for a STOCK GSR IM.
Do you have any idea what secondary butterflies are? The stock GSR IM was designed for good throttle response and mid-range. When you swapped out your IM for the S2 IM you lost that mid-range power, and for what? To gain 1-2 hp in the upper rpm band that you probably don't even use have as often as your mid-range if this is a daily driven car.
When thinking about purchasing cams, and an IM, you need to ask yourself, "what RPM do I spend the majority of my time driving in? How often do I take my car to redline? Where do I want my powerband to be?"
Quit giving advice based on you butt dyno and he said she said experience.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by NAKAYAMA IMPORTS »</TD></TR><TR><TD CLASS="quote">edelbrock is good</TD></TR></TABLE>
Which series do you recommend and for what type of application?
Which series do you recommend and for what type of application?
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SleeperGSR »</TD></TR><TR><TD CLASS="quote">These manni's are designed for mostly turbo applications, the runners are not tuned for a mostly stock application.</TD></TR></TABLE>
I wouldn't say the Skunk2 IM is designed for mostly turbo applications. It is for high RPM applications, whether you want to turbo that application is up to you, but the design of the manifold is more RPM based.
I wouldn't say the Skunk2 IM is designed for mostly turbo applications. It is for high RPM applications, whether you want to turbo that application is up to you, but the design of the manifold is more RPM based.
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