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> 3S-FE Intake Manifold on 5S-FE, up to 40 hp?? specifics....
post Sep 14, 2003 - 1:09 PM
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Silver94CelicaOw...



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So a while back, this was sorta brought up but i want more specifics on exactly how to do it....I think its a good performance option for the 5s-fe if its true. I remember 1bwilson said that you could take the intake manifold off a JDM 3s-fe and a 60mm throttle body and you could get gains of around 40 horsepower. I've searched everywhere online for more info on it, and havent seen much of anything. I would just like to verify that claim, and if its true.....

a.) Exactly what parts do you need to get it to work? Would the manifold be from the Curren's 3s-fe??
b.) Would about a 40hp gain be reasonable to expect?

Just a little more knowledge on this would be greatly appreciated. wink.gif


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post Sep 15, 2003 - 7:45 PM
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west_minist



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QUOTE (Kwanza @ Sep 15, 2003 - 7:27 PM)
Lemme give you my 2 cents...

This mod sounds more like a dreamer mod than an actual one. The 3sfe head is nearly identical to the 5sfe head and assuming the intake manifold swap will allow for better induction, it's very hard to believe that it'll give 40hp. I actually don't think the 3sfe intake manifold is any better than the 5sfe...for one, the 5sfe is a larger motor and makes better torque than the 3sfe, and two, the 3sfe isn't a performance motor, so if the induction can't be so much better that you'll need to upgrade your fuel injectors, to match the air induction.

Also, a note on practical engine mods...
Assuming the intake manifold swap is done... the engine won't automatically suck in more air because it's a larger ported manifold. It'll suck in enough air to operate at the most economical level. Intakes and exhausts work because they relieve stress and restriction that the stock equipment come with... because stock is designed for quietness and economy. Let's put it this way... if you can do forced induction through a stock intake manifold... then obviously it's not that restrictive...

I dunno...experiment... but it sounds like a dreamer mod to me... kinda like the fabled 7AGZE hybrid http://www.toyotacelicaonline.com/celica1/7ahybrid.htm

I personally cannot agree with you on this one.

The 7A hybrid is good since you gain HP and Torque stock. The only problem is the block. Once fortified, it is a very good project.

But then again, just rebore to 1.7+l, but heres the problem. You cannot really go anymore.

But rebore the 7a block to 1.9+l. Ha ha smile.gif


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Posts in this topic
- Silver94CelicaOwner   3S-FE Intake Manifold on 5S-FE   Sep 14, 2003 - 1:09 PM
- - Silver94CelicaOwner   **bump** Cmon....i know that 1bwilson originally ...   Sep 15, 2003 - 5:05 PM
- - Kwanza   Lemme give you my 2 cents... This mod sounds more...   Sep 15, 2003 - 7:27 PM
- - west_minist   What you have to look at is the cfm of the size of...   Sep 15, 2003 - 7:37 PM
- - west_minist   QUOTE (Kwanza @ Sep 15, 2003 - 7:27 PM) Lemme give...   Sep 15, 2003 - 7:45 PM
- - Kwanza   QUOTE (west_minist @ Sep 15, 2003 - 5:45 PM) I per...   Sep 15, 2003 - 8:47 PM
- - Silver94CelicaOwner   First off, the 3S-FE that he mentions in his previ...   Sep 15, 2003 - 11:42 PM
- - snadman   I can bet you for the same price of doing this, yo...   Sep 15, 2003 - 11:58 PM
- - Silver94CelicaOwner   You mean the intake manifold....right?   Sep 16, 2003 - 12:16 AM
- - 1bwilson   The 5sfe manifold is said to make the 4th cylinder...   Sep 16, 2003 - 12:46 AM
- - 1bwilson   here Not the one I was looking for but along thos...   Sep 16, 2003 - 12:52 AM
- - Kwanza   QUOTE (1bwilson @ Sep 15, 2003 - 10:46 PM) The 5sf...   Sep 16, 2003 - 1:16 AM
- - 1bwilson   I dont know, Thats just what I have read from man...   Sep 16, 2003 - 1:25 AM
- - 97GTinKC   "I'm gonna assume this originally was int...   Sep 16, 2003 - 10:56 AM
- - west_minist   Last but not least: Forget about the 3sfe manifold...   Sep 16, 2003 - 1:24 PM
- - west_minist   QUOTE (Kwanza @ Sep 15, 2003 - 8:47 PM) QUOTE (wes...   Sep 16, 2003 - 1:29 PM
- - jayi12-15psi   is the IM from a jdm 3s-fe the same as the usdm or...   Sep 17, 2003 - 12:26 AM


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