2.3 to 2.4 throttle body problems. - Performance Forum

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2.3 to 2.4 throttle body problems.
Friday, January 18, 2008 7:17 PM
I bought a 2.3 ho throttle body from a member and I was told that it bolts right up to the 2.4. Well, the throttle shaft hits the intake manifold. So I thought that I could switch shafts. So I took the shafts out to try and switch and nothing. It does not work. But I am in a dilema. I can not get the spring back on the throttle body.Any one with pics, please post. I need to drive the car now.

http://www.overkillengineeringmotorsports.com/

Re: 2.3 to 2.4 throttle body problems.
Friday, January 18, 2008 8:19 PM
Any body know if the 2.3 will bolt right up to the 2.4?

http://www.overkillengineeringmotorsports.com/
Re: 2.3 to 2.4 throttle body problems.
Friday, January 18, 2008 10:13 PM
dont see why it wouldnt..and i dont know what you mean by "throttle shaft"



Re: 2.3 to 2.4 throttle body problems.
Friday, January 18, 2008 10:16 PM
^^^ I think he is refering to the wheel that the throttle cable hooks into.


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"Youth in Asia"...I don't see anything wrong with that.
Re: 2.3 to 2.4 throttle body problems.
Friday, January 18, 2008 11:15 PM
Yeah paople say that it works but it doesnt i had the same problem with it hitting the intake runner but all i did was used the shaft from the 2.4 but there was a little bit of work to make it fit but im not going to go into details cause is pretty easy to do, another thing you can do is use a throttle body spacer that way you shouldnt have to change anything. As for the spring..... well to be honest with you thats damn easy to put back on also.


http://a709.ac-images.myspacecdn.com/images01/85/l_c45bfa9c54e0aebaf0fbf6bf67c30a74.jpg
Re: 2.3 to 2.4 throttle body problems.
Saturday, January 19, 2008 6:19 AM
If you could tell me how to get it to fit with the 2.4 shaft and no spacer that would be awesome. I can not seem to get the throttle plate to sit flat when the shaft(or wheel) is bottomed out. please explain how you got it to sit, I am very interested to see, if you got pics.

http://www.overkillengineeringmotorsports.com/
Re: 2.3 to 2.4 throttle body problems.
Saturday, January 19, 2008 8:38 AM
wont work w/o cutting the cable end up, and maybe grinding a notch into the 2.4 intake........ UNLESS you buy yourself a T/B spacer..... then it should work just fine.

the placement for the throttle stop is different between the T/B's, so swapping the shafts wont work w/o some work.




SPD RCR Z - '02 Z24 420whp
SLO GOAT - '04 GTO 305whp
W41 BOI - '78 Buick Opel Isuzu W41 Swap

Re: 2.3 to 2.4 throttle body problems.
Saturday, January 19, 2008 9:26 AM
OR drill a hole to make your own spot to put the cable in the wheel, and use the 2.3 intake.

Chris


'02 Z-24 Supercharged
13.7 @102.45 MPH Third Place, 2007 GMSC Bash SOLD AS OF 01MAR08

Re: 2.3 to 2.4 throttle body problems.
Saturday, January 19, 2008 10:15 AM
To much work for so little gain.

http://www.overkillengineeringmotorsports.com/
Re: 2.3 to 2.4 throttle body problems.
Saturday, January 19, 2008 10:15 AM
Would I use a 2.3 or 2.4 spacer?

http://www.overkillengineeringmotorsports.com/
Re: 2.3 to 2.4 throttle body problems.
Saturday, January 19, 2008 2:44 PM
then why @!#$ with a cavalier in the first place?

Chris


'02 Z-24 Supercharged
13.7 @102.45 MPH Third Place, 2007 GMSC Bash SOLD AS OF 01MAR08


Re: 2.3 to 2.4 throttle body problems.
Saturday, January 19, 2008 3:00 PM
Here is how I did it,
parts list:
Parts from the 2.3 (I used a 95 and still have cruise control)
Complete throttlebody and sensors
Parts form the 2.4
The Throttle wheel and shaft
Cable brackets

Here it goes: First off I would make sure you have all the time and tools to do this, and I wouldnt use the tb currnetly on the car incase you have issues.
Completely disassemble the 2.3 tb, and you should have both the 2.3 wheel and shaft and the 2.4 wheel and shaft, mark all the pieces as not to get them mixed up. You will need a grinder and very carefully grind the throttle wheel on the 2.4 where the shaft would come out if it went all the way through. after enough grinding the wheel and cruise control connector should pop off of the shaft, now do the same to them 2.3 wheel. Now slip the 2.4 wheel and cruise connector on the 2.3 shaft and assemble the tb to make sure its oriented correctly, and rearrange it till it is. Once it is take the wheel and shaft out of the tb and carefully wleld it back together, after it cools paint it to protect from rust. then reassemble completely and install. Its very easy and mine works to this day and i did it almost a year ago. Have any questions just ask.




Re: 2.3 to 2.4 throttle body problems.
Saturday, January 19, 2008 9:58 PM
What did you use to weld it back together?

http://www.overkillengineeringmotorsports.com/
Re: 2.3 to 2.4 throttle body problems.
Sunday, January 20, 2008 12:23 AM
Mig Welder, buddy of mines.




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