Adapter Flange for 2.4 intake to fit 2.3 head - Performance Forum

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Adapter Flange for 2.4 intake to fit 2.3 head
Monday, October 12, 2009 8:28 AM
Do they make one to put a 2.4 intake on a 2.3 head i dont want to run the 2.3 intake just the head?


bc97cavalier

Re: Adapter Flange for 2.4 intake to fit 2.3 head
Monday, October 12, 2009 9:27 AM
It isnt as doable as the 2.3 on the 2.4. Since its composite the flange has metal washer type things in the flange around the bolt holes and they cant really be slotted to fit the 2 like the 2.3 manifold to go on 2.4. I have toyed with this Idea too.



Re: Adapter Flange for 2.4 intake to fit 2.3 head
Monday, October 12, 2009 7:22 PM
more importantly is WHY



JBO since July 30, 2001
Re: Adapter Flange for 2.4 intake to fit 2.3 head
Monday, October 12, 2009 7:29 PM
NOTa2_4 wrote:more importantly is WHY




I must confess... I feel like a monster!
Re: Adapter Flange for 2.4 intake to fit 2.3 head
Tuesday, October 13, 2009 5:49 AM
WOW.


Hmmm.. will the LD9 cams fit my W41?


Chris




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

Re: Adapter Flange for 2.4 intake to fit 2.3 head
Tuesday, October 13, 2009 6:22 AM
Taetsch Z-24 wrote:WOW.


Hmmm.. will the LD9 cams fit my W41?


Chris


It will be close...

Might need different pistons...





Re: Adapter Flange for 2.4 intake to fit 2.3 head
Tuesday, October 13, 2009 7:11 AM
The way i have built my front end there is no room for the intake...


bc97cavalier
Re: Adapter Flange for 2.4 intake to fit 2.3 head
Tuesday, October 13, 2009 8:15 AM
Pics?





Re: Adapter Flange for 2.4 intake to fit 2.3 head
Tuesday, October 13, 2009 11:16 AM
im confused... this seems like very backward logic lol... subscribed



Re: Adapter Flange for 2.4 intake to fit 2.3 head
Tuesday, October 13, 2009 12:06 PM
i dont understand why it seems so backwards to people...


for NA, the LD9 manifold isnt all that bad. its equal length, which is good for TQ numbers on an NA. it is also composite, so there a lot less heat soak. its not necessarily better/worse than the LO or HO manifold as no hard evidence has been given to support swapping manifolds at all.


1997 Cavalier Z24
Bomz Short Ram Intake
Vibrant Cat-Back
KYB GR2 Struts
Goldline 1.75" Springs
RK Sport Upper Insert
RK Sport Lower Dogbone
Custom Tune by Shane @
innovativetuning@rogers.com

15.647 @ 88.02 MPH
Re: Adapter Flange for 2.4 intake to fit 2.3 head
Tuesday, October 13, 2009 4:25 PM
It would be interesting to see a 2.4 intake on a 2.3 and see the numbers jump but I doubt it. That swap does have two things going for it....weights less and no heat soak. But remember the 2.4 intake is smaller.

GMR has got nothing on this

Re: Adapter Flange for 2.4 intake to fit 2.3 head
Tuesday, October 13, 2009 4:28 PM
whitegoose wrote:no hard evidence has been given to support swapping manifolds at all.


Ok, I too was asking why, but I gotta give it to you....on this note^....true true true. BUT, I will say from my EXTENSIVE dyno testing on manifolds and random designs, the LO or HO are more 'conducive' to having the advantage from my past testings based on geometry considerations alone. Admittedly, all said testing was on smaller engines, but the commonality is striking when it comes to air induction. Also, to blindly adopt a design because it worked well elsewhere can be looked upon as ignorant.......so I will not throw any stones.



Edited 1 time(s). Last edited Tuesday, October 13, 2009 4:28 PM

"Never argue with an idiot. They'll drag you down to their level, then beat you with experience!" -Anonymous
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