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Old 11-22-2007, 11:15 PM
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itbs?

I've only had my car for about two weeks, and so far it rides great. Its pretty quick for being stock, but i would like it if it were a little quicker with better sound. I don't like the term ricer, i can't stand it. If i were to upgrade my car it would be clean, and done right. I just need advice where to start. The main part i would really really like to put on my car is itbs. This is my only car so it has to be reliable still. would this be a realistic upgrade or is it really for end users. I'd imagine there would have to be other work done to the engine for itbs to be used.

Whats your take on this? Of course i would do other engine upgrades, just bolt on's first. I mainly want to focus on the chassis. Better suspension, sway bars & strut bar, rims & tires, better brakes, etc..
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Old 11-23-2007, 01:33 AM
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Not meaning to thread jack, but im sure this would be useful to bigKR too

What happens with the cleaner? are there individual air cleaners in each body? cause i would assume the grit would eventually build in the cylinders?

Big Kr:
I think that these are great, i was just watching a NSX rip it up with ITB's
find prices and do your research though!
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Old 11-23-2007, 03:49 AM
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ITB's would be one of the last mods I would do. Simply because you wouldn't much out of it on a stock engine.

Start with Intake, header, exhaust
Then cams, valvetrain, ported heads.

Then maybe ITB's
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Old 11-23-2007, 03:52 AM
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Quote:
Originally Posted by thomas97 View Post
Not meaning to thread jack, but im sure this would be useful to bigKR too

What happens with the cleaner? are there individual air cleaners in each body? cause i would assume the grit would eventually build in the cylinders?

Big Kr:
I think that these are great, i was just watching a NSX rip it up with ITB's
find prices and do your research though!
For maximum flow, there typically isn't any type of air filtration with an individual throttle body setup. The stock airbox is completely removed, because there is no need for it (look on youtube for some pics on an ITB setup). I suppose you could use some type of air filtration on it, but typically people don't daily drive cars with that type of modification. I could just imagine the gas mileage on it too... it would suck.
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Old 11-23-2007, 05:39 AM
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Quote:
Originally Posted by slowAZbb6 View Post
For maximum flow, there typically isn't any type of air filtration with an individual throttle body setup. The stock airbox is completely removed, because there is no need for it (look on youtube for some pics on an ITB setup). I suppose you could use some type of air filtration on it, but typically people don't daily drive cars with that type of modification. I could just imagine the gas mileage on it too... it would suck.
of course there is. You can buy individual filters for each throttle or you can buy an enclosed filtration setup.

and as long as they are tuned properly, you can still get good gas mileage
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Old 11-23-2007, 12:41 PM
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of course there is. You can buy individual filters for each throttle or you can buy an enclosed filtration setup.

and as long as they are tuned properly, you can still get good gas mileage

Yeah i have heard of alot of guys getting pretty much still between 20-30 prelude milage like normal
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Old 11-23-2007, 03:15 PM
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I did find some filters for itbs. There little filter caps that go over the intakes individually. My plan would be to do itbs, headers, exhaust, and then down the road do cams and valvetrain. I'd imagine to do all this would cost $8k+.

The only main problem is finding someone to do all this. I have no tools I would be forced to find a trust worthy individual or a shop in the san diego area. And what worries me is how much it will cost just to install it. I would like to know how to install the stuff myself, but i really don't have any connections.
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Old 11-23-2007, 03:32 PM
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Well I looked at the videos on You tube like an earlier thread stated. So ITB's look to be throttle bodies and velocity stacks off of sport motorcycles, well thats what it looks like to me.

These are still fuel injected right? I wonder what four tuned carbs would do?
OUCH!
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Old 11-23-2007, 03:36 PM
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its still fuel injected, they're not carbs. Just to give you an example m5 e60, and m3 csl have itbs stock.
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Old 11-23-2007, 04:01 PM
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I have seem a few ITB's in the you tube vids and I wonder if they are just putting intakes off of like a CBR 1000RR or something like that. Seems easy enough but I guess there is alot more to it than just bolting it up?
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Old 11-23-2007, 06:29 PM
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Quote:
Originally Posted by Rob View Post
I have seem a few ITB's in the you tube vids and I wonder if they are just putting intakes off of like a CBR 1000RR or something like that. Seems easy enough but I guess there is alot more to it than just bolting it up?
alot. Been there done that.
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Old 11-23-2007, 09:33 PM
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Big KR
your probably amke out cheaper if you picked up the tool and some instalation guides or something,

those shops boost their prices like Nick boosts h23's!
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Old 11-24-2007, 02:59 PM
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Quote:
Originally Posted by thomas97 View Post
Big KR
your probably amke out cheaper if you picked up the tool and some instalation guides or something,

those shops boost their prices like Nick boosts h23's!
That was uncalled for! You know how sensitive Nick is.

Back on topic. Don't get in over you head. It's good to do things yourself because if you know what you're doing, you save wads of cash but if there's something you can't do or aren't sure if you can do it or not, find a reliable source who can. I can't stress reliable enough. Too many mechanics out there who charge out the ass and still don't know what they're doing.
A Euro R manifold with some sort of intake would be a great mod and a lot easier than ITB's. I highly recommend looking into that as another option.
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Old 11-24-2007, 06:50 PM
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Yeah I have been looking into the Skunk2 intakes, throttlebodies, and camshafts. I looked at some of their dyno test runs and stuff lots of extra power but costs a ?@!* fortune.
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Old 11-24-2007, 08:32 PM
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The cams cost more cause they make more power. If you have the money, get the full valvetrain upgrade and Skunk2 Pro 2 cams. I don't know anything on their TB's, but I've never heard anything bad about them. The IM's are decent but seem to shine better on boosted H22's more than N/A H22's.
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Old 11-25-2007, 08:45 AM
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Yeah I have been thinking about adding a bolt on Greddy turbo kit. First things first I'm looking for another H22A4 to build before I start. Wouldn't the Skunk2 Pro 2 cams be a little much for an everyday driver? I was thinking more of the turbo street tuner series cams.
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Old 11-25-2007, 01:45 PM
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