Unique: Throttle Bodies|Intake Plenum and Manifold

Post by **smorison** » Thu Aug 12, 2004 8:19 am

Hi guys,
we've done some testing now... (not on my car) and it appears that a larger throttle body will make a difference. This is after breathing mods such as the Unique Engine Pipe and Unique CAI Stage 2 Kit... hopefully in the next week i will have dyno and flow bench results on the changes...

keep in mind that a larger throttle body allows more air... this can only be of use if you have the ability to deliver more air and the ability to scavange out the exhaust fast enough...

(topic modified to show all parts in development)

fto12345 · Post by **fto12345** » Thu Aug 12, 2004 10:42 am

If you could tell us how much it'll cost as well would be great...

This is some thing that I have been looking to do but wasn't sure of the effects...
I am also told that you might even have to adjust the ECU...is that right?
But by boring out throttle body I didn't think you would have to do that...

Well that's what I thought any way...

Thank you,

ruchi · Post by **ruchi** » Thu Aug 12, 2004 10:51 am

After any mild-to-serious modification it is a good idea to reset the ECU to allow it to discover the changes and adjust itself.

The more mods you have and the more serious they are, the more you can tune it with an aftermarket controller or piggyback device. This will however require a lot of dyno time to get things right.

Post by **smorison** » Thu Aug 12, 2004 11:17 am

don't know much yet as soon as information comes to me i will be passing it on.

mrx · Post by **mrx** » Thu Aug 12, 2004 10:09 pm

Steve, I see your little scam. You are trying to SEND ME BROKE! No real developments for a while and then you hit us with the CAMS & the throttle body (and don't mention the suspension

).

Ok, guess I need a second job...

Leigh · Post by **Leigh** » Fri Aug 13, 2004 3:44 am

I took up a second job a couple of months ago for that very reason!!
To Upgrade the FTO!

oh it hurts

Post by **smorison** » Fri Aug 13, 2004 8:10 am

mrx wrote:Steve, I see your little scam. You are trying to SEND ME BROKE! No real developments for a while and then you hit us with the CAMS & the throttle body (and don't mention the suspension ).

Ok, guess I need a second job...

haha yeah something like that...

G_A_V · Post by **G_A_V** » Sun Aug 15, 2004 3:58 pm

I took up a second job a couple of months ago for that very reason!!
To Upgrade the FTO!

sounds like a good idea

Post by **smorison** » Tue Aug 17, 2004 10:49 pm

proto type photo's for the new intake plenum and throttle body... we haven't done any testing yet... will do it over the next week or so as time allows

Bascially we've increased the ID of the throttle body by 4mm (expert opinion on max size)

smoothed out the insides of the entire intake plenum (all parts)...

Post by **smorison** » Tue Aug 17, 2004 10:50 pm

oh and btw these are off a GR...

they will work on a MIVEC fine as they are the same

G_A_V · Post by **G_A_V** » Wed Aug 18, 2004 12:19 am

hey steve any ideas at prices yet ??

G_A_V · Post by **G_A_V** » Wed Aug 18, 2004 12:24 am

also steve on the topic of modifing the gr intake, i was looking for a new mas or a larger one because that is a major restriction do you know if any other mitsu ones are bigger, or less restrictive and would work with the ecu ?

Post by **smorison** » Wed Aug 18, 2004 8:18 am

no pricing yet i'll have that soon...

I was thinking about that last night (And spoke with rob about it briefly)...

the LS1's are now being tuned with a "MAF"less tune... not exactly sure how it is done... basically you're going to need a piggyback computer and an additional sensor... and then you can throw that thing away and use our CAI kit

i honestly don't know if its possible to do to the FTO but i would imagine it can be... cost is going to be pretty high (2k or more)... but at the same time you'll have a piggyback tuned properly not just running an airflow sensor of some kind so its not that bad a price.

Black_FTOGPX · Post by **Black_FTOGPX** » Wed Aug 18, 2004 10:19 am

Are you going to supply a complete new intake manifold or will you be doing an exchange system.

I have a friend at the moment who is modify my intake manifold.
He said he has taken out heaps of meat, and he also said there are some parts of the manifold which do not flow well and are restrictive.

Hopefully there will be a good gain from it.

Post by **smorison** » Wed Aug 18, 2004 10:37 am

Black_FTOGPX wrote:Are you going to supply a complete new intake manifold or will you be doing an exchange system.

I have a friend at the moment who is modify my intake manifold.
He said he has taken out heaps of meat, and he also said there are some parts of the manifold which do not flow well and are restrictive.

Hopefully there will be a good gain from it.

exchange basis... keeps the cost down...

i hope to have the flow bench results in the next day or so and i'll post them up then...

The guys actually did more than i thought they were going to (the large cost of the prototype now isn't so high in my minds as they did a lot more)... one of the biggest areas of concern is even distribution of air to all 6 cylinders ... the flow bench results will hopefully show this.

Black_FTOGPX · Post by **Black_FTOGPX** » Wed Aug 18, 2004 11:02 am

Did they increase the size of the butterflies, inside the manifold. As my friend is looking into this, the only problem is that they are an oval shape rather then a round shape which will make it a bit harder to make.

Post by **smorison** » Wed Aug 18, 2004 11:27 am

yeah new butterflies in there... made from brass i think (looks brass coloured anyways)

Chiangstar · Post by **Chiangstar** » Wed Aug 18, 2004 7:47 pm

hey all....

is the mixture likely to lean out after doing this mod? a FPR might be needed or something....

id be keen on this.... keep us updated

simon

Post by **smorison** » Wed Aug 18, 2004 9:18 pm

no FPR needed the car runs rich as it is...

a AFC or VAFC will be handy to tune and i will have results on this by our track day...

Chiangstar · Post by **Chiangstar** » Thu Aug 19, 2004 1:04 am

smorison wrote:no FPR needed the car runs rich as it is...

i'd wanna make sure before leaning the mixture out .... youre probly right that its tuned rich outta the factory but on individual cars, i'd be scared of saying that more fuel isnt needed ....

simon