Is anyone out there using a Q45 throttle body on any high hp cars?

The inlet measures 85mm and the butterfly measures somewhere between 80 and 82mm . I know that the Apexi Drag Integra was using that throttle body with a stock h22 manifold (with increased plenum volume), but I am looking to see if anyone else has ever used such a giant unit on a Honda.

I will have take some pics of it tommorow after I finish the severe boring which is required to make the throttle body spacer fit on the manifold.

 

i have heard of this before

a friend of mine put something together with a JUN intake manifold and a Q45 throttle body for a customer's MR2

 

I use one on my car, works damn good, tps is compatable with hondas, its something like 90mm at the hole and 85mm at the plate. I bought mine used for $90.

 

post some pics of a Q45 against and h22 one.

 

yeah i wanna see this too

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by PrettyLude &raquo;</TD></TR><TR><TD CLASS="quote">yeah i wanna see this too</TD></TR></TABLE>

 

Q45 TB is 90MM at the inlet and the blade is 85MM. You're looking for one off of a 1990-1992 model, before they had traction control. Here's a pic from supraforums, comparing it to the stock supra TB, which IIRC is 75MM.

 

Here some pics:

Stock Prelude TB vs Q45 TB



Stock Prelude TB (60mm inside diam)



Q45 TB (82mm inside diam - with 80mm throttle plate)



Prelude Intake manifold with Q45 throttle body adapter plate. Perfect fit

 

Hows the throttle response with this?

 

where can i get that adapter plate?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Tapen00n &raquo;</TD></TR><TR><TD CLASS="quote">where can i get that adapter plate?</TD></TR></TABLE>

at the machine shop i'm assuming.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 2point2 &raquo;</TD></TR><TR><TD CLASS="quote"> at the machine shop i'm assuming. </TD></TR></TABLE>

Correct! ...and it is not much of an adapter plate, it is pretty much just a square piece of metal with 4 bolts to hold the throttle body on. It has to be welded on to the existing manifold.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 2point2 &raquo;</TD></TR><TR><TD CLASS="quote">Hows the throttle response with this?</TD></TR></TABLE>

That is part of the reason why I started this post. I want to see who is using a giant throttle body on a FI Honda and how it functions.

 

from what I've heard, the throttle reponse of something that big won't be all that good

i am also curious about it though because if it works well, I want to use that throttle body, too.

 

I could put one of them on my b16 haha

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SiKid86 &raquo;</TD></TR><TR><TD CLASS="quote">I could put one of them on my b16 haha</TD></TR></TABLE>

...the interesting thing is, I got that TB of a build n/a motor running a B16 intake manifold .

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by XES &raquo;</TD></TR><TR><TD CLASS="quote">

...the interesting thing is, I got that TB of a build n/a motor running a B16 intake manifold .</TD></TR></TABLE>


hows it perform ?

 

What is Q45 Tb? From what kind of car?

 

do you think it will help out that much ? Or are you just trying to get that last 5 hp?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Root79 &raquo;</TD></TR><TR><TD CLASS="quote">What is Q45 Tb? From what kind of car?</TD></TR></TABLE>

It's from a Q45.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Root79 &raquo;</TD></TR><TR><TD CLASS="quote">What is Q45 Tb? From what kind of car?</TD></TR></TABLE>

Infinity Q45, because obviously you didn't know what a q45 was. .

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by delslowh23 &raquo;</TD></TR><TR><TD CLASS="quote">do you think it will help out that much ? Or are you just trying to get that last 5 hp?</TD></TR></TABLE>

I am completely redoing the whole setup...h22 fully built & ported head, built h23 block, 4" downpipe, new manifold, 3" intercooler piping, etc. I was looking for a throttle body around 70mm and I stumbled on this one for a price I couldn't refuse. With my old 60mm throttle body being a potential bottleneck in the system I think that the 82mm (which can flow ~twice as much air) will work out great. I will be needed if I trying to reach 700+ whp this year.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by XES &raquo;</TD></TR><TR><TD CLASS="quote">

That is part of the reason why I started this post. I want to see who is using a giant throttle body on a FI Honda and how it functions.

</TD></TR></TABLE>

 

We have here some Infinity's. Q45...hmm.....how it's look like?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Root79 &raquo;</TD></TR><TR><TD CLASS="quote">We have here some Infinity's. Q45...hmm.....how it's look like?</TD></TR></TABLE>

are you just slow or what?

 

Actualy all of Infinity cars here was delivered from USA. So, I don't have any idea how looks like Q45 model. The are only maybe 10-20 cars in country. I saw the throtel pic, but it dose not help me find out what kind of car have it.
Ok. I will do some search in web.

Sorry Guy's.