Jump to content
SAU Community

Throttle Bodys

m0rt

By m0rt,
in Forced Induction Performance

 Share

Recommended Posts

m0rt Enthusiast

m0rt

Posted
Posted

Hey guys, was just reading this thread

http://www.skylinesaustralia.com/forums/Gr...l=throttle+body

And after ringing about a million wreckers in brissy for a Q45 throttle body and having no luck i thought i would see what other people have bolted on their greddy style plenums, was thinking of getting the adaptor kit but would pref to put a larger T/B on

Link to comment
Share on other sites
25GTT Veteran

25GTT

Posted
Posted
Hey guys, was just reading this thread

http://www.skylinesaustralia.com/forums/Gr...l=throttle+body

And after ringing about a million wreckers in brissy for a Q45 throttle body and having no luck i thought i would see what other people have bolted on their greddy style plenums, was thinking of getting the adaptor kit but would pref to put a larger T/B on

I think the old XF throttle bodies were also being readily used not so long ago.

Link to comment
Share on other sites
paulr33 Grand Master

paulr33

Posted
Posted
is there any modifying needed to the TPS for an XF T/B??

This is covered in the PFC FAQ in my signature

have a read of it- tells you what TPS to use when using the XF throttle body

Link to comment
Share on other sites
m0rt Enthusiast

m0rt

Posted
  • Author
Posted

Hey thanks for the help guys,

dunno if i wanna spend that much on a T/B, but if i got no choice then oh well

i sent a pm to Kudos just waiting to hear back

and need to find a wrecker in Brissy that actualy has an XF T/B b4 i can try this option, just one question with that, it says to use an RB30 TPS, i saw one yesterday at a wreckers and it had what looked like the grey plug which is on mine, but there was a black plug on there also, does anyone know what thats for? Does it have to be hooked up??

Link to comment
Share on other sites
Sydneykid Grand Master

Sydneykid

Posted
Posted
Hey thanks for the help guys,

dunno if i wanna spend that much on a T/B, but if i got no choice then oh well

i sent a pm to Kudos just waiting to hear back

and need to find a wrecker in Brissy that actualy has an XF T/B b4 i can try this option, just one question with that, it says to use an RB30 TPS, i saw one yesterday at a wreckers and it had what looked like the grey plug which is on mine, but there was a black plug on there also, does anyone know what thats for? Does it have to be hooked up??

The second plug is usually for the auto.

How much power are you targetting? I haven't found the standard throttle body to be a restriction at 320 rwkw.

Cheers

Gary

Link to comment
Share on other sites
bubba Grand Master

bubba

Posted
Posted

My engine in it's previous car was making ~365rwkw through the standard throttle body.

Benefits of a bigger throttle body?

Would it be less restriction? thus allowing you to make the same power with less boost?

I'm finding it really hard to justify a new throttle body...

Link to comment
Share on other sites
bazr33 Mentor

bazr33

Posted
Posted

im pretty sure i have the xf throttle body with rb30 tps at home if you were interested?

pm me if you are.

I have a xf throttle body on my car with a rb30 tps and using the r31 accelerator cable.

Link to comment
Share on other sites
m0rt Enthusiast

m0rt

Posted
  • Author
Posted

Cheers Sydneykid, i'm looking at high 200's but if it gets 300rwkw then even better

bazr33 pm sent :happy:

Link to comment
Share on other sites
m0rt Enthusiast

m0rt

Posted
  • Author
Posted
We've got some billet aluminum 80mm throttle bodies for $249 if you're interested?

Does a stock tps fit these?

Link to comment
Share on other sites
600hp Proficient

600hp

Posted
Posted

The Hypertune unit bolts straight up and uses the stock Rb25 tps.

It has the same flange and the Q45 but had a larger 85mm id.

When fitted to an aftermarket plenum Autosalon made an extra 15kw at the wheels. Power went from 200rwkw to 215 with no loss down low.Same boost

Link to comment
Share on other sites
Sydneykid Grand Master

Sydneykid

Posted
Posted
Cheers Sydneykid, i'm looking at high 200's but if it gets 300rwkw then even better

At 315 rwkw I measured the boost before and after the standard throttle body and there was zero difference. So the standard throttle body wasn't a restriction at that power level. There are better, more effective, ways to spend your money for that power target.

Cheers

Gary

Link to comment
Share on other sites
Sydneykid Grand Master

Sydneykid

Posted
Posted
at what point would you think of changing the throttle body Gary?

im going for around 360rwkws on a 30/25 with 3540r

Cheers

I don't know what the limit is, all I know is it's OK at 320 rwkw. The best way to find out is to measure it, that's what I did after a lot of people said 265 rwkw was the limit of the standard throttle body. My best suggestion is to get your 360 rwkw and then measure the boost before and after the throttle body, it's pretty simple. Only takes a couple of minutes to check, then you will know for sure.

Cheers

Gary

Link to comment
Share on other sites
GKTECH Mentor

GKTECH

Posted
Posted
Does a stock tps fit these?

It sure does :teehee:

I don't have any high res pictures on this PC but here is a picture of our unit fitted to an R33 making a tad over 300rwkw's.

87c9_1.JPG

8698_1.JPG

Greg

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing


  • Similar Content

  • Latest Posts

    • XoRoKu
      R32 GTR fuel gauge not working despite fixing fuel level sender

      By XoRoKu · Posted

      Opened up the cluster to inspect the gauge itself for signs of damage and it looks good. Got curious since that needle doesn't go back to a "neutral" position by itself (it stays in the same position when ignition is off. so I manually moved it to 1/2. Connected it back, turned on the ignition and the needle started moving up! Not sure what's up with that but before that the needle was way down below empty like fully south west. There's always a chance that the needle moved slightly the first time I tried and I didn't notice because of how slowly it moves and how far it was from the markings. I don't know if the current needle position is accurate so I'll fill it up and see where that brings it. I guess I'll try to adjust it manually if it doesn't get to F. Looks like the needle position is relative and not absolute? Thanks all for your help and patience!
    • GTSBoy
      rb20de neo +t conversion - boost pressure sensor needed?

      By GTSBoy · Posted

      You're confusing two different responders and more than one issue. The stock Neo ECU boost sensor is used by the ECU for protection purposes. It is essentially only an overboost sensor. It is not used for determining engine load for fuelling or ignition purposes. That task falls solely to the AFM. Any aftermarket ECU that either has an onboard MAP sensor or a plug in one, will use the MAP sensor as the primary load sensor. Or I should perhaps say "can", rather than "will", because some of them have the option of using other primary load sensors. That MAP sensor is not for the same function as the stock Neo boost sensor. The reason I recommended against a plug and play ECU is that they are intended to run a particular engine and usually in the car that the particular engine came in. So, if you have a transplanted engine in a different car, with some parts of the original missing (such as the boost sensor, for example) and therefore likely non-standardness of the loom and its insertion into the car's loom, then it is very likely that you will run into the same problems with needing to fix up wiring to make it work that you would with the stock ECU. And, if doing so for the stock ECU is enough of an obstacle that you start considering a standalone plugin as a solution, it should become clear that the plugin is quite possibly not the solution you'd hope it to be. It would just lead to more of the same type of problem solving work to get it going. In the above paragraph and in my earlier post, the lack of the boost sensor is not critical. It was just used as an example of something that we knew you did not have right, such that the stock ECU would not work. I took that as an indicator of a reasonable probability that there were other related problems hiding there.
    • GTSBoy
      R32 GTR fuel gauge not working despite fixing fuel level sender

      By GTSBoy · Posted

      I can think of two places in my city of <1.5million population that specialise in automotive instrument repairs.Unless you're out in the wilds of Quebec, you have 3 major Canadian and 3 major US cities within the same distance as the single nearest city to mine. Surely there is somewhere you could send it.
    • TurboTapin
      Can anyone shed some insight on this Turbo?

      By TurboTapin · Posted

      I never cared for twins but whenever these conversations came up, I always presumed the higher number represented a larger turbo. Learn something new everyday. 
    • joshuaho96
      how do i install this 3 port mac valve for boost control?

      By joshuaho96 · Posted

      Interesting, I've never seen a failure like that before but with the age of these cars and the general questionable-ness of all kinds of parts these days you can't rule anything out I suppose. Boost leak testing the boost control system would've revealed this though.
×
×
  • Create New...