dmotoguy

say i get these, and an exhaust.. could i tune it with an safc? or would i need uberdata or something

Speedz

thanks JUNcr-x i'll keep everyone posted

i cant say what will work as far as tuning.. i'll probably use several rom editors including uberdata..
i'll be finding out the tuning part here soon enuf.

Speedz

lil pic update:

EJBomexCoupe

thats beautiful, wish i could make that

lohatch

im loving the 3A racing spark plug cover the ITBs look good.

Speedz

LOL it was on the GSR long block i just recently traded for.. i've seriously been thinking about taking it into the machine shop and surface it to get rid of the 3A

i'm currently working on my fuel rail (custom) i'll post pics when its done.. its gonna have 6-AN end welded on it and a custom plate on the other end for my B&M FPR to mount..
also working on the throttle cable bracket.. and figuring a way to put an adjustable throttle stop so they only open to where they're supposed to.. right now they go way past WOT.

91' LS-VTEC

Rick, everything looks like its comming along nicley.
I can't wait to hear these babys @ WOT.

-Cesar

Speedz

thanks Cesar

another update with a few pics
work'n on the fuel rail and throttle linkage

Dogginator

It's looking good. What is the total tube length from the trumpet inlet to the manifold flange? Do you think that those trumpets will contact the firewall under hard acceleration?

sleeperHatch

That looks very nice!! Pretty impressive!!

90 integra

i have a few questions for the guys that have done this before.
1)will you make more hp then if you had a ported mani and a 70mm tb w/ a cai?
2)whats the average gains doing this?
3)do you have to tune it if you do thid itb's?
4)can i use a aem or any aftermarket fuel rail with a fpr?
5)has anyone tried this in a 90-93 integra? because the motor sits farther back towards the firewall.
6)does it sound alot louder then a cai?
7)has anyone tried it on a non-vtec motor?
8)does anyone have pics of this done on a 90-93 integra with or with obd-0?i whant to see how the sencors,ect. are hooked up.

90 integra

im going to be useing 02-03 954 throttle bodies becuase i can not find any gsxr 750 or 1000. do anyone think the 954 will work? and does anyone know how big they are?

91' LS-VTEC

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

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

WOW!These have to be the cleanest set of DIY ITB's ever.

90 integra

is that the stock fuel rail that came with the itbs or did you make that like you said you would. and it is one of the cleanest pieces of itbs ive seen. good job man.

Speedz

thanks, 90 integra check out ebay.. thats where i got mine.
to answer your questions:

1)will you make more hp then if you had a ported mani and a 70mm tb w/ a cai?
A: from my research, i've learned that ITBs will give you gread midrange power(torque) and good top end... a ported mani and 70mm TB would probably make more peak whp.. but midrange.. ITBs rule (My opinion)

2)whats the average gains doing this?
A: i dont know personally, i saw Jeff from HMT get 152 whp with his diy itbs on a stock b16 which normally puts down about 134 whp (2 different stock b16's i've seen dyno'd)

3)do you have to tune it if you do thid itb's?
A: yes it actually will most likely take more tuning than a single TB

4)can i use a aem or any aftermarket fuel rail with a fpr?
A: depends on your fuel injector spacing.. i had to custom make my fuel rail (bought fuel rail extrusion and drilled holes and welded ends on it)

5)has anyone tried this in a 90-93 integra? because the motor sits farther back towards the firewall.
A: i'd try these on my teg, but that'll be a while.. i've got another GSR head i've gotta finnish porting first then that'll free up this stock one so i can bolt it on my GSR block in the teg right now.

6)does it sound alot louder then a cai?
A: dont know, i'll find out soon enuf

7)has anyone tried it on a non-vtec motor?
A: i've seen a road race hatch with ITB's on a built LS motor

8)does anyone have pics of this done on a 90-93 integra with or with obd-0?i whant to see how the sencors,ect. are hooked up.
A: i dont have any pics of obd0 teg itbs..
but i can tell you that its simple as far as sensors go.. thats the least of your worries. (my opinion)

heres my completed fuel rail (just had ends welded on today)




this's a link to the fuel rail extrusion
http://www.rossmachineracing.com/extrusion.html

heh and thanks Cesar just wait till they're done

Simple

what are you doing for the TPS issue? i dont see that it has been solved yet?

Speedz

i've got a buddy who's an electrical engineer.. he's building me an op amp circuit to convert suzuki tps output to honda tps output.
i'll be sharing the info when that is done

CRX_VTEC

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 90 integra &raquo;</TD></TR><TR><TD CLASS="quote">i have a few questions for the guys that have done this before.
1)will you make more hp then if you had a ported mani and a 70mm tb w/ a cai?
2)whats the average gains doing this?
3)do you have to tune it if you do thid itb's?
4)can i use a aem or any aftermarket fuel rail with a fpr?
5)has anyone tried this in a 90-93 integra? because the motor sits farther back towards the firewall.
6)does it sound alot louder then a cai?
7)has anyone tried it on a non-vtec motor?
8)does anyone have pics of this done on a 90-93 integra with or with obd-0?i whant to see how the sencors,ect. are hooked up.</TD></TR></TABLE>

1) IMO.. they feel like you get more top end HP and some nidrange. Its the high end where these really scream!
2) yes.. you will have to tune them. It gets pretty tricky too.
4)&lt;--- check the avatar!
5)I beleive you'll have about 9 inches of clearance. It should work.
6) I had a MPEG vid I took with my digicamera. On WOT the sound on the video was distorted. This is coming from a POS mic off a camera(again.. NOT CAMCORDER) while sitting inside the cabinet with the windows rolled up. I cant imagine how loud these must be from the OUTSIDE.
7) I dont recall anyone trying them on a non-vtec motor. I'm not sure you'll benefit much. Again.. these feel like they are best at 5k+ RPM.
8) see #7

RenoRacing

1) Yes and throttle response will be a much greater improvement.
2) I've seen 20+ with minimal tuning on a stock b16. Butt dyno strongly agrees!
3) Yes, minimal tuning is often required, it's as simple as taking away some fuel below about 5k and adding a little after that.
4) Yes, with the cbr setups, most are maintaining stock honda car fuel injector location due to the throttle bodies not being able to be spaced out like the gsxr's.
5) Yes, I have a 90 Integra and ran a set of 929 throttle bodies for a few months. I've also done a setup in a crx with a b16 that had plenty of room as well.
6) Much louder.
7) I'm sure someone has done it and I'm sure it would still be a blast to drive but top end would take some heavy mods to get a non-vtec motor to rev high enough to take full advantage of the itb's.
8) Yes, only the IACV and IAT are left just dangling but still plugged in.

I had about 4" of aluminum runner added to the flange/ports so there was plenty of cutting left to do to allow the velocity stacks to fit. Then, here is what they look like now in their now home.
and the final pic is my new 42mm setup(filters now shown).

Speedz

nice setup renoracing looks like a very tight fit in that engine bay..
those DA and EF chasis are too tight.. i doubt i'll do itbs in my DA.. prefer trying a turbo setup instead

4DooRGiSzer

ITB's are so beautiful, i wish i could do stuff like that, had the knowledge and engineering creativity. thats so awesome, whats the total cost so far? how many hours of work do you think you have put in so far??

ps i will buy this set up off of you once your done with them, whenever that may be...

Speedz

thanks man..
i paid $115 shipped for the ITBs
i have about $40 worth into my fuel rail i built
and $56 into my velocity stacks
i paid about $30 to have my runners welded on my flange..
i think like $25 for some fittings for fuel system

i probably have more money i just cant think of where i spent it ..
hour wise.. alot.. but not alot at one time.. i dont have enuf time to spend lots of time on them.. so i do a lil here and a lil there..

sloweredcivic

that is the coolest homegrown **** i have ever seen EVER!!! i hope it works out i could be very interested in that style of a setup. how much of a power gain is there to that? if nothin else would you be interested in making an selling those

4DooRGiSzer

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by sloweredcivic &raquo;</TD></TR><TR><TD CLASS="quote"> if nothin else would you be interested in making an selling those</TD></TR></TABLE>

i think you should do this too, i would place an order for one with out a doubt, you could make some money of this stuff, and seeing as it would be your second and third time around it wouldnt be as hard or time consuming. think about it, sell it for a few hundred over cost

Speedz

thanks guys..
i've thought about making another set or 2, but i really want to see how these do before i do any more.. my next set may be totally custom one off itbs.. i wont even use gsxr or cbr itbs.. it'll be from scratch.. and probably a bit bigger around 52mm at the throttle plates