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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

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https://www.sau.com.au/forums/topic/221094-throttle-bodys/
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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.

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https://www.sau.com.au/forums/topic/221094-throttle-bodys/#findComment-3897848
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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??

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https://www.sau.com.au/forums/topic/221094-throttle-bodys/#findComment-3903388
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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

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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...

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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

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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

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