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Discussion Starter · #1 ·
Hi all!
I have a 1991 Toyota Celica GT and after owning it for a year and a half im finally deciding to build it :smile: It currently has a 5SFE engine and is automatic. Im planning on building a 5SGTE and have some questions i cant find anywhere and hoping you wonderful folk can answer them :grin:

-Would the 3SGTE transmission fit into the 5SGTE engine?
-Will the 5SGTE bolt right on to the stock motor mounts?
-Can i use the automatic drive shaft (from my celica) for the 3SGTE manual transmission?
-For the block i plan on using a 98 Camry 5SFE with parts from a SW20 3SGTE, will the parts still be compatible to make a 5SGTE (and will it bolt on to the stock motor mounts) (i have no access to a wielder so im really hoping nothing custom needs to be made)

Below Im listing all the parts ive found on ebay for this build and im hoping you guys can let me know what im missing
- https://www.ebay.com/itm/94-97-TOYO...-SPEED-TRANS-WIRING-SW20-3RD-GEN/254265115078
(planning on stripping this engine and tranny to make the 5SGTE)

- https://www.ebay.com/itm/JDM-Toyota...ch-Brake-Pedal-Set-RHD-M-T-90-99/282666317489
(these pedals are right hand drive,will they still work for a left hand drive car and can i still use the celica's accelerator)

- https://www.ebay.com/itm/Clutch-Slave-Cylinder-Aisin-CRT-090-fits-92-95-Toyota-MR2/303183589972
(pretty sure the engine already brings this but ill still add it here just in case)

- https://www.ebay.com/itm/Techna-Fit...e-1990-1993-Toyota-Celica-GT-GTS/361687031481
(SW20 clutch lines)

- https://www.ebay.com/itm/Toyota-MR2...bles-5-Speed-91-99-OEM-JDM-3SGTE/143240028221
(gear shift linkage)

- https://www.ebay.com/itm/ST185-3SGT...urbo-SW20-Alltrac-JDM-Toyota-OEM/273823661715
(not sure if this ecu will work)

- https://www.ebay.com/itm/1991-1995-...Shift-Box-93-Turbo-Short-Shifter/163753475556
(MR2 short shifter all i need i a cover and a knob)

-1998 Toyota Camry 5SFE crankshaft and block
(both found locally in junkyard)

Thank you all for reading my first post looking forward to all your replies :smile:
 

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Toyota Collector
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12,162 Posts
You need peddles, shifter and cables from a 5th gen Celica those MR2 parts are useless to you. The engine with harness has to come with the correct ECU, the axles not sure exactly what you'll have to do there.

Making a hybrid 5S/3S is very expensive, what is your budget for this project?
 

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Discussion Starter · #4 ·
Hey!Thanks for replying.I have no real budget for this project just planning on saving up and buying parts as i go along :) I currently have $2400 saved up but am in no hurry to make this build as of yet.Just wanna do some more research before i buy.
 

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Senior TN Member
Porsche
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Hi and welcome to TN! :hi:

Plan on spending at least twice as much if not 3x due to tuning costs (dyno time and tuner).

Since Toyota never made 5S-GTE ECU with optimized fuel maps and more importantly, ignition maps, you risk blowing headgaskets on regular basis. Here's most important part of build. An aftermarket standalone programmable EFI system. Something like Accel DFI, AEM EMS, Apexi PowerFC, Austronic, Autotronic, Electromotive TEC, EMtron, FAST, FiTech, Haltech, Holley, LinkECU, Megasquirt, MoTeC, ProEFI, SDS-EFI, Wolfe 3D, etc. These will allow you to program appropriate fuel & ignition maps that best suit your particular engine to maximize power and reliability at same time.

You will also need 5S-GTE custom TURBO forged hypereutectic pistons (Wossner is what I recommend). You cannot use 3S-GTE pistons because you’ll end up with too much compression due to longer 5S stroke. Can’t use 5S pistons because of too much compression and they’re not strong enough for turbo. Turbo-specific pistons need to operate at higher temps (hence hypereutectic for low-expansion). Forged for strength. Rings are also placed further from top to protect from heat of turbo power. I suggest no more than 9.0:1 compression.

Since you are going for more power than 3S-GTE, you’ll need stronger forged 4340 rods. Carrillo, Crower, Eagle, Pauter can all supply rods of sufficient strength.

Cost, power, reliability. Pick any two, but you can’t have all three.

Here’s basic how-to guides.
https://www.toyotanation.com/forum/...3sgte-cylinder-head-swap-your-5sfe-block.html
https://www.mr2oc.com/18-show-shine/561233-just-another-5sgte-build-thread.html
 
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