2.2L L61 Performance Tech 16 valve 145 hp EcoTec with 155 lb-ft of torque

2.2 ported and polished throttle bodies

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Old 08-03-2007, 12:50 AM
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2.2 ported and polished throttle bodies

so i just finished the second ported and polished throttle body and these things are turning out amazing, i grew up around race cars so i kow what im doing and how to do this properly..well im just trying to get a feeler on how many people would be interested in one im going to sell them for around 90 bucks with a new gm gasket and your throttle body in return they are alot cheeper than the saturn motorsports tb and on a dyno they added 5 hp at the wheels on a stock cobalt i havent dynoed my car yet to see what it would do on a modded cobalt but 5 whp for 90 bucks aint bad at all ....... ill post pics up tomorrow hopefully
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Old 08-03-2007, 04:47 AM
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I'm totally interested in this if you'll wait for me to install the new one before i ship you my old one And i've never really done a tb install or messed with one what's the difficulty like?
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Old 08-03-2007, 05:36 AM
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for 90 bucks shipped I'd be down...
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Old 08-03-2007, 08:06 AM
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i would be very interested, only problem is i cant be without my car. So sending my TB out is not an option...
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Old 08-03-2007, 08:13 AM
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i would buy one but i would need to isntall it before i send you my stock one. also IBFTL
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Old 08-03-2007, 08:26 AM
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Here we go...

Get the dyno graph when you do it.

Also, what is the size now?
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Old 08-03-2007, 09:27 AM
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Yeah, i would like to see the dyno sheet, would be a nice addition for the NA guys. Also, is there anymore room to port it when tuning becomes available. Actually i guess we could just throw the 2.4TB on there with a retune eventually.

Installing a new TB is very simple. You remove your intake, and its 4 10mm bolts i believe? i cant remember the exact size. You then remove the Throttle wiring(very easy clip to take off) and your done.
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Old 08-03-2007, 11:09 AM
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yea, dyno sheet, and checking it in the car to see if it threw a CEL.
I doubt it would...but god knows with our ECUs.
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Old 08-03-2007, 11:27 AM
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any pic i want one of these. this would go good with the 2.4 mainfold swap crate engine depot has
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Old 08-03-2007, 12:20 PM
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stupid how?......subscribed
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Old 08-03-2007, 12:25 PM
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dude ^^^ read what you just posted
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Old 08-03-2007, 12:29 PM
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Lets open this beast up. Dyno or death. J/K i'm not a serious person. Everyone just wants to know what the point is before we drop a Benjamin
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Old 08-03-2007, 12:35 PM
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ill look around work and see if i can find a throttlebody laying around
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Old 08-03-2007, 12:39 PM
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The point is your making the throttle body bigger so your allowing your engine to pull in more air. The problem is, if you open it too much, you will throw a code and/or throw it into limp mode because the car is seeing a huge change from what its use to. With tuning you can really take advantage of a larger TB.
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Old 08-03-2007, 12:46 PM
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ahhh, the fact that theres no tuning for the 2.2 is really starting to get to me now. At first i was just annoyed but now im pissed. Somebody do something!!!
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Old 08-03-2007, 07:22 PM
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its 2.75 inner dia ill post pics up tonight or tomorrow
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Old 08-03-2007, 07:59 PM
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Funny....I was going ask about having it flowed. Back in my previous life of hot rods we'd send the Holley's out for a flow job for huge gains. I'd like to see some pics...tnks.
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Old 08-03-2007, 09:53 PM
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i going to try and get pics up tonight if not ill do it tomorrow.....i have to wait for my lil sis to get home she can post them up since i hate computers and dont want to learn anything about them......but yeah im going to post them asap
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Old 08-04-2007, 01:24 AM
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Originally Posted by Sw4y1313
The point is your making the throttle body bigger so your allowing your engine to pull in more air. The problem is, if you open it too much, you will throw a code and/or throw it into limp mode because the car is seeing a huge change from what its use to. With tuning you can really take advantage of a larger TB.
Very true, if you just go at it you will cause a huge vacuum leak and set codes. The secret behind porting a stock 2.2 TB is not to enlarge the actual throtle bore itself. I snagged a spare from work off an engine job and set to work on it myself. Go to your car remove the intake and prop the throttle blade open. Feel the inner contour of the TB on the portion closest to the front of the car. There is a hump machined into the TB that shields the throttle blade opening from getting straight airflow at low angles. I removed that hump from the spare TB that I had off the car, very important. Without touching the actual sealing surface that the blade touches I removed material untill it was all smooth. I cant prove a differance but I can say the car does feel like it has more low end power, call me crazy
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Old 08-04-2007, 09:41 PM
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Originally Posted by montecarloman
Very true, if you just go at it you will cause a huge vacuum leak and set codes. The secret behind porting a stock 2.2 TB is not to enlarge the actual throtle bore itself. I snagged a spare from work off an engine job and set to work on it myself. Go to your car remove the intake and prop the throttle blade open. Feel the inner contour of the TB on the portion closest to the front of the car. There is a hump machined into the TB that shields the throttle blade opening from getting straight airflow at low angles. I removed that hump from the spare TB that I had off the car, very important. Without touching the actual sealing surface that the blade touches I removed material untill it was all smooth. I cant prove a differance but I can say the car does feel like it has more low end power, call me crazy
My TB along with a lot of other parts of my engine are sitting in a box right now, im gonna go look at that hump you speak of. I would have that removed too but i dont believe its going to effect my low end when using FI.
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Old 08-04-2007, 10:10 PM
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Old 08-04-2007, 10:54 PM
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It was my understanding that the 2.4 TB wouldn't work because the computer couldn't understand the diffrence in airflow. But it would appear if this works, its in the electronics, not the airflow.

Please Dyno this, I'm definatly intrested to match this to my 2.4 manifold swap.
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Old 08-04-2007, 11:06 PM
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ill see if the kid still has his dyno sheet.....but next weekend im going to dyno mine granted its very modded ill let you know the gains.....it feels great with the 2.4 mani swap btw

yes the 2.4 electronics are completly different from ours

Last edited by bykryder83; 08-04-2007 at 11:06 PM. Reason: Automerged Doublepost
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Old 08-05-2007, 11:45 AM
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Looks good...you can pick up quite by eliminating most of the bar thats holding the plate. This requires some minor welding/brazing. Probably good for your modded engine or a SC but not a N/A stocker.
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Old 08-05-2007, 11:55 AM
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*tag*
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