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Would it be realistic to have ITB's on the L15a? Would the engine have to be tuned to support the throttle bodies, and what kind of power increase would you be looking at?
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Ive thought about it, only because the OEM intake manifold would look sick with ITB's.
Of course it can be done. A lot of money will need to be invested. Adding ITB's would increase air delivery dramatically and the addition fuel/tune will overall make more hp and torque.
Like I said a good amount of money might need to be spent. Factory we have the DriveBy Wire. So youd have to rip all that out and run cables. Then of course the fabrication of the 4 TB's, a fuel rail, stand alone, tune.
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Of course it can be done. A lot of money will need to be invested. Adding ITB's would increase air delivery dramatically and the addition fuel/tune will overall make more hp and torque....
Do you think that the stock throttle body is really that restrictive? Is the factory cam and porting capable of that much additional flow. I would think that the ITB performance increase would be less than the various currently available forced induction systems. At this point, the ITBs sound more expensive, being a completely one-off project and having to replace so much related stuff.
Eric
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Cars that I currently own/drive
2007 BOM Fit Sport 5A
2002 Sebring Limited convertable
1989 Chev 4WD Suburban
1975 Porsche 914 Renegaded 327 V8
1915 Ford Model T Touring (stock)
ITB'S are awesome I had a set of TWM's on my GSR before I went to boost! If I could go to them like my buddys still do on there B series motors I would on my single again. They are using the home made version tho with the ITB's from a gsxr,and yes they pull sooo much better and let alone the sick sound!!! If I could get my hands on them I would again no doubt.. And by the way checked with TWM and no,no plans as of yet
the whole idea of itb's is to not resort to forced induction.. and shouldnt be close to a turbo or super kit in price
That's cool. I looked up ITB kits and they seemed to be around $2k without the ECU and a modded ECU seems to run around $500 for a re-flash. I figured that custom fabrication was going to eat up the difference to get to the $3.5k - $4k turbo price.
Eric
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Cars that I currently own/drive
2007 BOM Fit Sport 5A
2002 Sebring Limited convertable
1989 Chev 4WD Suburban
1975 Porsche 914 Renegaded 327 V8
1915 Ford Model T Touring (stock)
That's cool. I looked up ITB kits and they seemed to be around $2k without the ECU and a modded ECU seems to run around $500 for a re-flash. I figured that custom fabrication was going to eat up the difference to get to the $3.5k - $4k turbo price.
Eric
Like I said, ITBs would NOT be cheap. And since this motor is new there will be a lot of bugs that need to be worked out. Would be pretty sick. The OEM aluminum pipes (after the plastic collector) are in the perfect place for them. Even a nice little scoop could be made in the hood.
As for the head and cam. The head and cam is designed for long life and low fuel consumption, not so much power. Its only a matter of time till someone pulls apart the US spec motor and makes massive power with headwork and a cam.
That's cool. I looked up ITB kits and they seemed to be around $2k without the ECU and a modded ECU seems to run around $500 for a re-flash. I figured that custom fabrication was going to eat up the difference to get to the $3.5k - $4k turbo price.
Eric
I think that it is all about what you want. If you want something quick and to the point, boost is good. But if you want to build something that screams "All Motor" then ITB's are the way to go. I would get them as I have had a few boosted cars...I would like to see what I could do on crazy high compression all motor setup. It is just the individual's goals.
While the idea of massive power is intrigueing, I'm a little disappointed by the sound myself. It sounds good, but not 4K good. I mean my A-spec CAI and DC header sounds about the same as that thing. Could it be because he is using a GD1? Doesnt that thing have a 1.3 liter engine?
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I know this thread is pretty old, but has anyone thought of using the dbw itb's off of a CBR600RR? and does anyone know any place where you find them for a decent price?
Really though building the itb's is the easy part, converting dbw to cable is the hard part
The other thing with that GD1 is those itb's are made for 4AGE silvertop high revving 1.6L, so they're probably way too big for the little 1.3L, and i just checked a couple hours ago and that itb setup (if you want it) is going for $280 shipped right now.
Strange, I was just looking at this thread. Any link to the ITB you're referring to?
TIA,
Stefano
Quote:
Originally Posted by bluerice
I know this thread is pretty old, but has anyone thought of using the dbw itb's off of a CBR600RR? and does anyone know any place where you find them for a decent price?
Really though building the itb's is the easy part, converting dbw to cable is the hard part
The other thing with that GD1 is those itb's are made for 4AGE silvertop high revving 1.6L, so they're probably way too big for the little 1.3L, and i just checked a couple hours ago and that itb setup (if you want it) is going for $280 shipped right now.
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Ste
Smallest Red 1.2i-DSi, OZRacing F1, Bridgestone B250, Tanabe Sustec under brace (front), some skunk2 bits.
for these to work you'd still have to convert to a cable throttle and get some kind of programable ecu, but you don't need a massive compression ratio, the 4A-GE 20V engine that these are from only has a stock CR of 10.5:1 which is pretty much the same as our engines.
jdm fit has a wired throttle so you would just need to switch the ecu's to eliminate the dbw.
the way it would have to be done is a set off a kawasaki zx-14 the are dbw but the power increase would only be about 15hp max.
though im a believer in doing what you want no matter the cost, i dont see enough gains put out by these to do it. i have already chatted with toda and twm about maybe setting this up and it is around 6 grand to get it fabbed to my car. and then you would have to worry about wiring in the dbw.
too much of a headache for me, but you can attempt it if you want.
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high roller #7
Quote:
Originally Posted by dewthedew
Yeah, I was thinking about you when i made that post. You're insane and I say go for it! you'll have the most badass fit ever.
,and yes they pull sooo much better and let alone the sick sound!!! If I could get my hands on them I would again no doubt.. And by the way checked with TWM and no,no plans as of yet
Some people are like Slinkys; they can only make you laugh if you push them down a flight of stairs
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