Project 2 years in the making, 3rd gen 3SGE + T into an ST (pics soon) Options

[scothaniel]

About 2 years ago I started to collect part for a new project - putting a 3rd gen 3SGE into my wifes 6th gen Celica ST. Well, after a short bout with unemployment and a long home remodeling project, I've finally started on the engine swap.

The motor was dismanteled after receiving it, and the stock 10.5:1 cr pistons were replaced with stock turbo pistons. Everything else internally was kept stock. Since I am only looking for power in the 300 - 350 HP range, I could have used the stock tranny, but since I had a spare MR2 turbo trans sitting around I decided to use that. I found an stock LSD differential on the web, and had the guys at Team Rip (teamrip.com) install the diff and "clean up" the gears.

The turbo kit uses a modified Greddy based knock-off exhaust manifold along with a 14b Mitsu turbo and an Evo III O2 housing. The O2 housing comes a little too close to the 3S's AC compressor, so I'm using the A/C compressor from the ST with the comp wheel off the 3S compressor. Once the engine has been broken it properly, I'll probably swap out the 14b with a small 16G or EVO turbo.

Last weekend I picked up the GT4 super-struts from Martin and hope to have the full shocks / brakes installed this weekend (if the bushing collars ever come in from the dealership).

I'll post a couple of pics shortly.

This post has been edited by scothaniel: Jul 14, 2005 - 4:26 PM

[95gtschick]

that sounds awesome, good luck with it!

[CJOHNST3]

pics are key!

[scothaniel]

Out with the old:


In with the new:


Various:





This post has been edited by scothaniel: Jul 15, 2005 - 11:04 AM

[playr158]

nice work!

[BLINKYxMUNKEY]

that looks awesome.

[lagos]

nice job...looks like a very cool project

how did u deal with the wiring of the harness? does the motor run yet?

[scothaniel]

I used the RHD 3SGE harness. Only 30 or so wires were needed to be extended. I haven't fired it up yet, but I tested for error codes from the ECU and only got 1 (code 23). Just need to figure out how to fix it. BTW - I'm using a 3rd gen MR2 turbo ecu.

[lagos]

besides extending.... did you have to rewire the ecu or fuse box at all ?

[Coomer]

Nice work! That manifold looks sweet.

[ILuvMyCelica95]

wow! I agree, that exhaust manifold is niiiiiice shiny shiny

[nik]

VERY NICE you did all that work for your wife wow

[celicast3sgte]

nice swap where did u get the turbo manifold and will it hold a t3/t4?

[TheStreetzKing]

damnn that looks awsomee.. nice man

[Kadett]

Kewl finally someone who has modified a 3S-GE engine.

[scothaniel]

Yeah, I had to add some bling to the bay. Next will be cleaning up the wastegate - maybe some black paint to make it right.

I repinned the ECU connectors to the new ECU - had to do a little cutting and soldering there too. The most difficult part was getting a 3SGE EFI diagram in english - everyone one I found was written in Kanji. I did have to add a couple of wires for the 2nd air-temp sensor and the Turbo VSV. The wiring for the fuel pump is a little different too - the turbo ECU's have a low and high fuel pressure switch (via relay) to bump up the fuel under WOT, but the non-turbo cars only have 1 setting. I left the wire disconnected at the ECU, so I may end up with a code later on. Easy enough to fix.

Found the manifold on Ebay. It was supposed to be part of a 3rd gen Greddy L2 turbo kit - but it was a shotty knock off. The L2 turbo's have a circular 2" flange, so I just bought a standard TD05 flange, routed down the L2 flange. and welded the TD05 flange right on top of it. It wont fit a T3 turbo, but If I ever decide to switch over I'll just cut this flange off and weld on a T3.

This post has been edited by scothaniel: Jul 15, 2005 - 8:33 AM

[Digndoug]

wow.. seems like another person that might be able to help a "how to" for the engine wiring?

[dustin15brown]

Wow That is AMAZING

[shin]

OMG... the manifold looks awesome. great work man~!

[lagos]

looking at those pics, do you have to take off the intake manifold off to get to the spark plugs or to change the valve cover gasket?