Don Nguyen

iTrader: (2)

Has anyone done this before? The way my intake manifold sits, I would get better air flow through the intake system if I can relocate the throttle body a bit. Basically instead of having it attached to the intake manifold, I would like to have an elbow attached directly to the intake manifold and then have the throttle body attached to the other end of the elbow.

-Don

superbean

I don't see why you couldn't.. take a look at fox mustang and sn95 mustang intakes. Identical except the sn95 have an elbow

Don Nguyen

iTrader: (2)

Is there an off the shelf plate that I can purchase that I could bolt to the intake manifold and build the elbow off of that. That'd save some time/work fabricating one from scratch.

-Don

spacemanspif

iTrader: (5)

Should be able to move it where you want. Just make sure to keep everything solid and don't add extra ports or anything like that. A cable driven TB would be more difficult than a DBW TB. There is an elbow that is used to run a TB on a carb. intake so (in a way) its been done already. Plus, is there any REAL difference between a TB spacer and a TB elbow?

Just make sure to keep the mass airflow sensor up wind of the TB.

bigmandengo

iTrader: (21)

Which intake are you using? I cant imagine any elbow attached between the intake and throttle body would flow better than the throttle body attached directly to the intake.

Don Nguyen

iTrader: (2)

My TB will be DBW, so that'll make it easier to do.

The only reason why I am doing this is due to clearance. If I attach the TB to the intake manifold, I am going to have an extremely tight bend coming off of it to clear, which just seems like I would be losing out on quite a bit of power. I probably have 2 of room at most to work with, if the tb were attached directly to the intake manifold.

-Don

bigmandengo

iTrader: (21)

I PM'd you a link from ebay. You could drill out the threaded holes and weld an elbow to the flange.

Don Nguyen

iTrader: (2)

Awesome! Was actually just on ebay trying to find these. I wasn't using the correct terms apprently, but with your link I was able to find a 102mm flange, which is what I needed!

thanks.

-Don

Don Nguyen

iTrader: (2)

Just found these. http://www.summitracing.com/parts/edl-38473/overview/

Those would work well, if something like that came in 102mm form.

-Don

1point3liter

Like this?

http://www.fquick.com/garages/viewga...wimg&id=242806

1point3liter

The elbow off my intake was custom made. It has a 90mm Wilson ford style throttle body on it. I may have it up for sale soon as I'm changing some things around. I suspect it may not fit your application though.

You could prob weld onto a ls1 throttle body adapter if you dont feel like making a flange.

https://www.google.com/search?q=ls1+...iw=768&bih=928

1point3liter

Here you go.

http://www.ebay.com/itm/GM-LS1-Throt...-/261030539584

mpmarino

iTrader: (1)

Thanks for this.

I contemplated doing just this on my '90 300zx swap for the same reasons. I was worried if it would function correctly or not; but this thread affirmed what I had thought.

Also, wouldn't the extra volume of the 'elbow' effectively increase the plenum volume, thereby possibly improving performance (or not!) ?

1point3liter

It worked great on my car.

Don Nguyen

iTrader: (2)

would having the extra air volume really increase performance? if so then that'd be awesome.

1point3liter

I doubt it makes a difference in my application.
Its the same size tubing as my intercooler pipe. It's also all under pressure. NA may be a different story, but I doubt it.

mpmarino

iTrader: (1)

The LSX stuff is new to me, but I was just basing what I wrote on what I've read.

I understand that one of the claims to fame of the LS6 manifold is increased plenum volume, among other things. I would think that any increase in volume after the TB could be considered an increase to the plenum volume - and maybe it makes no diff at all

but I agree - with FI it's very likely not gonna be noticed.