3S-GE head into 3S-FE?

[Jimnist]

So this idea has been floating around my head (pardon the pun XD) a fair bit over the last few days. I've searched, but haven't found the right answers. Now i know the 3S-GE heads will fit the 3S-FE's, but from what era to what era? I think i saw a few GE heads that had both cams driven by the belt (instead of the intake driven by the belt, then having the exhaust powered by the intake internally like the FE), would this fit onto the FE with a longer timing belt?

Can i slap in a BEAMS 3S-GE head with VVT-i into it?

Will i need to get the intake and exhaust manifold from the GE? Or will my FE manifolds work? Will there be noticeable gains if i decide to put the GE manifolds in (both intake and exhuast)?

Will i have to adjust anything if i go ahead with the head transplant, like change valve shims?

I appreciate any help.

[white90dx]

You have a lot of stuff mixed up in your post.

Any "s" series block is generally compatible with any head that came on another s-series engine. It doesn't mean you should do the swap though.

If you want a 3s-ge head on your motor, you will have to swap all your electronics, timing system (belt, tensioners, and sometimes oil pump) and pistons (at a minimum for the bottom end) to match the head. Some s-series blocks have partially incompatible oil and water passages that must be dealt with also. It is much better to swap a complete motor. Hybrid motors should only be attempted by the very experienced.

Manifolds should generally match the head that is on the motor. The first couple 3s-ge generation exhaust manifolds work on the 3s-fe head though. Intake manifolds do not match (3s-ge vs. 3s-fe or even between some 3s-ge generations).

-Charlie

[Jimnist]

Oh....wow. That cleared a lot up for me. So even though some of the early 3S-GE's shared the same block as the FE, would i still need the pistons, electronics, timing setup e.t.c...? I just remembered the GE ran a higher compression ratio than the FE, so wouldn't you also require the con rod and crank as well to match?

I really didn't think too much about this XD ANd also forgot about oil and water passages XD

[fredk]

the 3s blocks will bolt up to the ge or fe head, you can put the ge head onto a 3s block with fe pistons but you wont have much compression, just put the ge ex manifold and downpipe onto your fe and it will wake it up

[disregard]

Originally Posted by fredk

the 3s blocks will bolt up to the ge or fe head, you can put the ge head onto a 3s block with fe pistons but you wont have much compression, just put the ge ex manifold and downpipe onto your fe and it will wake it up

You have a picture of that setup bolted up ?
you already did the swap right ?

[white90dx]

Originally Posted by Jimnist

Oh....wow. That cleared a lot up for me. So even though some of the early 3S-GE's shared the same block as the FE, would i still need the pistons, electronics, timing setup e.t.c...? I just remembered the GE ran a higher compression ratio than the FE, so wouldn't you also require the con rod and crank as well to match?

I really didn't think too much about this XD ANd also forgot about oil and water passages XD

The 3s-fe, 3s-ge, and 3s-gte of similar generations generally shared very similar blocks, though they have different machining on them for different things (turbo oil feed, piston squirters, etc). All the 3s block have the same 86x86mm borexstroke, so the crank and rods share the same geometry - though they are different parts (different strength and weight for the different motors). You can change compression ratio by simply changing pistons for any given motor - displacement will only change with changes in stroke (new crank) or bore (larger cylinders+pistons).

If you are going so far as to change the head and pistons, you might as well put in a complete, unopened motor. It will be much more reliable and you *know* that it works well together - no guessing.

Different generations of the fe/ge/gte heads have different features that require matching electronics (TVIS, ACIS, VVTi, Turbo control, different ignition system, batch or individual injector control, etc.). Effectively, the wiring only goes to the head, so it has to match the head, not the block.

-Charlie

[fredk]

Toyota did the swap when they made the 3sge, just look at a 3sge and you will see what you have to do

[lindleyrf]

i have a 3sfe in my race car, got a 3sge frm a fren but i c oil in the intake manifold, was think of jus switching the heads!! take off the 3sge head put on d 3sfe block!!! Any suggestions? Thanks in advance

[white90dx]

Originally Posted by lindleyrf

i have a 3sfe in my race car, got a 3sge frm a fren but i c oil in the intake manifold, was think of jus switching the heads!! take off the 3sge head put on d 3sfe block!!! Any suggestions? Thanks in advance

Did you read the thread?

You have to change the pistons if you change the head. Oh, and the wiring... its not just a 'swap the heads' deal.

-Charlie

[fredk]

the only thing that is the same is the block, everything else is different

[lindleyrf]

ok thanks!!! where can i find parts for 3sge!!! cheap cheap?

[fredk]

in jamaica?

[PaulyJay]

jimnist, just go and buy some first gen 3SGE headers, and a new exhaust system. problem solvered!

lindleyrf, you should take the beast into a wrecker and get them to match it for you. sounds like you have a bitsa. not easy to diagnose without seeing it.

[lindleyrf]

In america!! my car is ford escort!! english ford!! back wheel drive with 3t gearbox!!!

[PaulyJay]

you need to get a different car. i love those things, but dropping a jap yota engine in a pommie touring car is very odd!