new pistons for my camry - Toyota Nation Forum : Toyota Car and Truck Forums

The Black Camry · 03-08-2006, 10:41 PM

I need to rebuild my 3sge engine and i am going to boost it right after I rebuild it. Now, since im going to add boost, would it be a good idea to put 3sgte pistons into my engine since im sure their lo compressio and meant for boost, right?

gaak · 03-09-2006, 12:10 AM

first of all, is this a motor swap? cuz i thought the early gen 3's had a 3sfe, not a 3sge. that might affect the piston selection, but i'm not sure. from what i've gathered the "3s" or "5s" denotes the block series, and the "ge" or "fe" designates performance or fuel economy (head series?) and the "t" stands for turbo. However, this does cause a mental conundrum for me in that i've read that you need custom motor mounts to put a 3sgte in a camry, despite the block being the same designation as the 3sfe.

but i digress, if the 3sgte pistons are the correct selection,get a set of forged 3sgte pistons and forged billet rods. that way you'll make proper compression and have a bullet proof bottom end when you decide to turn up the boost. a couple companies to look at would be Weisco or CP. i think raceengineering also has stuff made for them by cp.

The short answer to your question is, if they fit, YES, and if you can afford it, UPGRADE.

oh, and if anyone knows for certain that i'm wrong about any of that engine code and fitment stuff, please correct me.

88 LE · 03-09-2006, 05:10 AM

Quote:

Originally Posted by gaak

i've read that you need custom motor mounts to put a 3sgte in a camry, despite the block being the same designation as the 3sfe.

Not in gen 2 you don't. Thats what were talking about here.

3S-FE and 3S-GTE share the same block (3S aka. 3rd gen S block).

Quote:

but i digress, if the 3sgte pistons are the correct selection,get a set of forged 3sgte pistons and forged billet rods. that way you'll make proper compression and have a bullet proof bottom end when you decide to turn up the boost.

3S internals (crank, pistons, and rods) are interchangable.

Stock 3S-GTE pistons and rods will work fine. Just depends how crazy you want to get with the motor.

gaak · 03-09-2006, 10:29 AM

ahhhhhhhhh, now it makes sense, the custom motor mounts are for the gen 3 and the 3sgte is a direct swap for the gen 2 camry. and yes i agree that the stock pistons and rods will be fine unless you wanna crank up the boost.

The Black Camry · 03-09-2006, 11:47 AM

Yeah I have a 3sge swapped into my camry just wanted to know that if i wanna boost my 3sge would it be a better idea to use 3sgte pistons.

88 LE · 03-09-2006, 03:20 PM

Quote:

Originally Posted by gaak

the custom motor mounts are for the gen 3 and the 3sgte is a direct swap for the gen 2 camry.

3S-GTE swap into a gen 3 needs custom motor mounts.

On a gen 2 its only a direct drop in if the car orginally came with a 3S-FE. If it came with a 2VZ-FE (V6), a 3S-GTE is not direct drop in.

Quote:

Originally Posted by The Black Camry

Just wanted to know that if i wanna boost my 3sge would it be a better idea to use 3sgte pistons.

IMO, yes. 3S-GE is high compression n/a motor. 3S-GTE is low compression turbo motor.

Its possible to turbocharge a high comp motor. An example would be Tony The Tigers turbocharged 1MZ-FE. Tony is crazy though, but in a good way.

white90dx · 03-09-2006, 03:29 PM

You may need custom pistons... Also, you might not be able to put 3s-gte pistons on 3s-ge rods.... And if they do 'fit' it might not give you the compression ratio you want. The GE head is somewhat different than the GTE head. Time do do lots of research! Try the MR2 forums - www.mr2oc.com

-Charlie

gaak · 03-09-2006, 08:16 PM

Quote:

Originally Posted by 88 LE

3S-GTE swap into a gen 3 needs custom motor mounts.

On a gen 2 its only a direct drop in if the car orginally came with a 3S-FE. If it came with a 2VZ-FE (V6), a 3S-GTE is not direct drop in.

how is it not a direct bolt in if you have the 2vzfe? don't you only have to get the motor mounts, tranny, wiring harness and other assorted parts? just wondering cuz imo it's not a direct drop in at the point that you need things like mounts and wiring harnesses to be custom fabricated, not just aquiring certain parts from other vehicles and in this case it would seem to me that all the necesary parts are currently in existance...

BakaWill · 03-09-2006, 09:02 PM

the mounts are diff for the v6 it would fit just custom mounts >like the 3sfe/3sgte s would be needed

88 LE · 03-09-2006, 09:23 PM

Quote:

Originally Posted by gaak

how is it not a direct bolt in if you have the 2vzfe?

One of the motor/engine mounts on a 2VZ-FE is different. IIRC is thes left motor mount (the side with the belts) thats different.

Quote:

don't you only have to get the motor mounts, tranny, wiring harness and other assorted parts?

Best thing to do is buy a clip. Trying to source each and every part you need individually, is going to be a pain in the ass.

Quote:

just wondering cuz imo it's not a direct drop in at the point that you need things like mounts and wiring harnesses to be custom fabricated, not just aquiring certain parts from other vehicles and in this case it would seem to me that all the necesary parts are currently in existance...

What I meant by direct drop, is that in a gen 2 Camry with 3S-FE, the 3S-GTE bolts right up. In other words you don't need custom motor mounts.

The wiring needs to be figured out. It doesn't just plug in and work.

The Black Camry · 03-09-2006, 10:42 PM

Im sure the heads are the same the only differenceis in the block mainly! 3sgte have cupped pistons where 3sge have domed!

white90dx · 03-14-2006, 01:25 AM

Quote:

Originally Posted by The Black Camry

Im sure the heads are the same the only differenceis in the block mainly! 3sgte have cupped pistons where 3sge have domed!

You can be sure of something and still be wrong.

The 3s-ge head is different than a 3s-gte head (manifolds, valves, cams, etc). The block is also slightly different (different machining for oil ports, internals, etc).

As long as the 3s-gte pistons work on the 3s-ge rods, all you have to do is verify that you will get the compression ratio you want with those pistons...

-Charlie

project92camry · 03-14-2006, 03:20 AM

hey guys.. im also planning to turbo my camry but i have a 5sfe.
since 88le says that 3sgte bottom end will fit in a 3sfe, will it the 3sgte bottom end also fit in the 5sfe since it also has a "s" block ?? and will the cylinderhead from 3sgte fit too ?
thanx if any of u can help.

The Black Camry · 03-14-2006, 10:41 AM

well I just wanna make my compression lower than thet it is right now. its ok if its not exactly like the 3sgte.

Quote:

Originally Posted by project92camry

hey guys.. im also planning to turbo my camry but i have a 5sfe.
since 88le says that 3sgte bottom end will fit in a 3sfe, will it the 3sgte bottom end also fit in the 5sfe since it also has a "s" block ?? and will the cylinderhead from 3sgte fit too ?
thanx if any of u can help.

And I think it should fit a 5sfe if it fits the 3sfe. And changing the heads out is alot harder than you think! You will need the wiring harness and the ECU to control the head!

88 LE · 03-15-2006, 04:17 AM

Quote:

Originally Posted by project92camry

will it the 3sgte bottom end also fit in the 5sfe since it also has a "s" block ??

You can use a 3S crank in a 5S, but it'll decrease the displacement. 3S crank has shorter stroke (3.39" vs. 3.58").

3S rods will not work in a 5S, as is. The big end on 5S rods is larger. If you want to use 3S rods with a 5S crank, the crank needs to be machined.

3S and 5S rods are the same length though.

I'm not sure about the pistons, as far as if you can use them or not.

Quote:

and will the cylinderhead from 3sgte fit too ?

Yes and no.

I've read that a 3S-GTE head will bolt onto a early 5S block. On a later 5S block, the passages (oil and water) don't line up properly with a 3S-GTE head.

Wraith is the person to ask about this, since he has a 5S-GTE.

Keep in mind its not as simple as bolt on and go.