TCpete

joeya28

that is sexy.

nebster

he was comparing to a s/c and turbo, its not gonna be s/c turbo status thats what i was trying to say. plus each engine reacts differently so its had to say if it would still net 15-25 whp on a tc without supporting mods

BuddhasTC

and Pete can't start this until he finishes his valve cover...

Bozuzu

no one's going to argue that ITB setups aren't cool. but thinking that rigging that up on the 2.4 is going to net you 15 hp is lunacy. it's a waste of time unless you're going all motor, and on a tc there's not much reason to do that. just buy a turbo kit.
the best tech articles you'll find on ITB are on the best ITB in history, the BMW S62 (light shines down from heaven )
if you get a completely built head, cams, pulleys, gears, springs, retainers, valves, and bottom end, pistons, rods, rings, crankshaft, bearings, clutch, and flywheel, then you get to do ITB and it has to work, and you have to post a DIY in the tech section.

joeya28

im wasnt asking so i could do it. once again i was just seeing if anyone had done it yet. and their are a lot of kids that do n/a set ups on tc so its not really far fetched.

toyota_scion_tc

It can be done it would not be cheap. You would see hp gains I am not going to say how much but every ITB setup I have ever seen kills torque. Yes it may be possible to see 10-20hp but you will lose a lot of torque.

manjambles

im intrested in doing this

joeya28

how about a write up hahahaha^^

manjambles

i emailed p tuning about possibly taking this on as a project

TCpete

if they could figure out a way to work around the DBW i would be all over it.. thats were i hit a brick wall full or jelly i couldnt climb over..

draxcaliber

hmmm...curious, because how much room is there to work with between the intake manifold and the fire wall...i mean...wouldn't the air supply between the engine and firewall be kinda turbulant and hot? wouldn't this work out better if the intake side of the engine was towards the front?

manjambles

whats the dbw?

the only thing i could think of to fix the issue of placement is to have then at a angle _/ it would still be effective.

tcpete ive heard that youve done alot to ur motor, how much hp you gain from all that

draxcaliber

dbw is drive by wire.

you know, traditional gas pedals have a throttle cable that is pulled and opens and closes the pedal, and a throttle positioning sensor reads the throttle position and responds accordingly.

but on a dbw system, the gas pedal is just connected to a sensor, and it reads the pedal position instead and opens the throttle for you so that it can better control the fuel and ignition timing since it is a more precise system.

so you would have to either change it from a dbw system to a throttle cable system, or program an electronic throttle opening system for all 4 throttle bodies.

TCpete

theres enough room to make ample velocity stacks... or you can have them go in a curve.. theres room... ive thought of how to do it.. the problem is the DBW.. the velocity stacks are a small minor thing

manjambles

oh... all these acranims (sp?) lol jk rofl haha

ok i see where that could be an issue, look at the pic at the top the one tcpete put up it looks to be a sensor/plug or whatnot there, where did that itb come from

manjambles

or is that just a maf

xdejablu3x

hmm ITBs sound interesting on our cars. my cousin has some on his S2K and its sick!

Bozuzu

the dbw will be both the hardest obstacle and the best end result for ITB. the biggest complaint of the dbw is the lag, which I personally think sucks, but with ITB the air is right there in all cylinders on demand. again, look at the S62 BMW for solutions. they use potentiometers with dc servo motors and a small servo gearbox to operate the butterfly valves, the only way to do it with a dbw. good luck with that!
http://www.usautoparts.net/bmw/engines/s62.htm

Bozuzu

oh and someone mentioned the firewall. there's plenty of room, itbs will take up less room than the stock intake manifold, which has about 3 different parts because of emissions stuff on it (egr, etc). you can always just do a throttle cable swap with a stand alone ecu. I'm sure someone's done it to a celica, and 808speedshop did it to an ae86 corolla. the more I think about it, the more I say go for it: