6G Celicas Forums

hey guys, since i've been fielding alot of questions about turboing the 5s, and most of the links in the 5sfte sticky are dead, i figured i start a thread about the buildup of my kit, and try to include as many details as possible, so everyone can learn a little more about what exactly goes into a setup like this. ill keep updating the threads and adding pics and stuff as i upload more ect..
im not gonna get into the whole why not swap a 3s instead debate here, thats a dead issue as far as im concerned. (not that i think swapping is a bad idea, just not for me.)
so, ill start off by saying the single most important thing you can do if you wanna turbo your 5s is RESEARCH! take your time, learn about the diffrent systems that all work together to make a good kit work. go to www.howstuffworks.com and find out how EVERYTHING works, it'll make understanding the hows and whys of everything so much easier. i've been reserching about this for 2+yrs and i STILL learn new things everyday.
#2 is DONT BE CHEAP...can you do it cheap? yea..will it last? prolly not.
thats gotta be the SINGLE biggest mistake i see EVERYONE make. cheap out on all the little stuff, and it WILL come back to haunt you in the end
that said, i decided i wanted to turbo my 5s. lol
so, off on the hunt i went...parts lists, install sites, the burien kit...i searched it ALLLLLL...for MONTHS!! talking to people, looking at sites, printing info..basicly what the old timers call "goin to the woodshed"
then, i started looking for parts:
3s exhaust manifold, ct-26 turbo, oil hard lines, elbow and primary cat (also known as a downpipe), if your not planning on getting a aftermarket downpipe. also the oil pan and 2bar map sensor.
your gonna want these off of a 2nd gen 3sgte from a 90-93 alltrac or mr2T, and are pretty easy finds over on www.alltrac.net and or www.mr2oc.com. if your not a member of these 2 sites, YOU SHOULD BE!!! theres a wealth of info on these to sites, and while alot of it may not be 5sfte spacific, its still VERY good info, especially the 90-99 mr2/ 3sgte forum.
next was injectors. there is ALOT of confusion here, where to find them, what they look like, what size are they really ect.
what we're looking for is the MKIII N/A supra injectors. not turbo injectors, not alltrac injectors, N/A MKIII supra. theyre a lime green color, and 315cc. just to clear up another point of confusion, they do NOT become bigger injectors in our cars. the fuel pressure between the n/a supra and the 5s is the SAME.
there is a pic in the 5sfte sticky of what they look like and the flow tests to show it.
i found mine on ebay, but you can sometimes find them on some of the boards ive mentioned, and the supraforums.
also, i really reccomend having the injectors cleaned and balanced once you get them, if you look closley at the printout for my injectors in the sticky from when i had them cleaned and balanced, youll see why i say this.
one of my injectors wasnt even spraying, it was DRIPPING before it was cleaned. i'd HATE to see what would happen if i'd installed that thing in there and cranked up the boost!
so yea, i really cant stress enough, HAVE YOUR INJECTORS CLEANED BEFORE YOU INSTALL THEM!!! www.rceng.com did an excelent job on mine for about 100$, and ive heard thru the mr2 board that www.witchhunter.com also does a very good job, and are only 12$ per injector.

EDIT!!! 315CC injectors are TOO SMALL for use in a turbo 5sfe. 460cc rx7 injectors are a drop in replacement and are discribed later in this post!!!


you'll also need to upgrade your fuel pump, use the 255lph walboro supra pump. you can get it for under 100 usually on ebay., and pretty much bolts in.
next for me was the intercooler..now contrary to popular belief, bigger IS NOT always better when it comes to intercoolers.
you wanna choose the smallest intercooler to fit your needs, with a LITTLE room for growth. for instance, in my case, my goal is around 190-200whp for now, so i chose a intercooler thats 26x6x3 overall length, with endtanks. its good for up to 300hp. why not somthing bigger? well, the #1 reason is theres no NEED for anything bigger. lol the bigger you go, the more pressure drop you have, and thats not what we want. with all the piping invloved for a 5sfte FMIC, the last then we want is some big honking core, sucking up 2-3 or more psi of the boost we wanna get to our engines.
for the piping, again, bigger is NOT always better. 2" or 2.25 " is more than sufficent for us. you'll need to buy pre-bent lengths and cut and fit them for your particular setup. jcwhitney is cheap for aluminized steel, or burns stainless if you want stainless pipes.
then the noise maker of the bunch , the BOV...your choice here, i chose the HKS SSQV... got it from ebay for 190+ shipping i think it was..just make sure your buying the real thing if its from ebay, theres alot of shady copys floating around. youll also need a mounting flange to have welded to your intercooler piping, make sure you get the correct size and material to match your piping.
TOO BE CONTINUED...

This post has been edited by presure2: Nov 11, 2007 - 10:53 AM

hehe yea, im sure they will..the #s that are in my sig now are from '06, with just the SAFC, no water injection, no emanage ultimate, no cams, and a pretty crappy tune.
im expecting good things here in a couple weeks after the new intercooler and piping get installed.

a quick pic of it all put back together, with a nice new K&N filter. (finally )



i also removed my charcole canister, and put my catch can in its place.

Holy crap, I thought that filter was never getting changed!

This post has been edited by lagos: Feb 22, 2009 - 7:19 PM

nice Presure! looks good!!! now how does it drive?? how does the clutch feel?

got to do a couple 4th gear pulls last night..
WOW this car pulls much harder over 4500 rpm..in fact it pulls right to redline now!
i cant wait to get the new IC and piping in and get on the dyno.
the diffrence up top is amazing.
the clutch feels great, its VERY grabby, and with the lightweight flywheel, the car definetly feels like it revs easier and faster.
doing these mods really makes me think about the 6200rpm rev limit, i need to start looking around for a set of valvesprings, and a used 98 block and crank.

lookin better and better. whens the new IC and pipes supposed to be in?

the IC should be in sometime this week, along with the piping, it prolly wont get installed for a week or two, i need to mock it up, weld up the piping, then send it off to get coated.

nice i need to get my pipes beaded.... thinkin about gettin a new piping set and FMIC too

I can't wait for the dyno! I think this car has the potential for first 5sfe into the 300's

Doing some research and I've noticed a lot of people talking about the 98+ block and crank. What is the real difference? How is it exactly stronger than the blocks before? Was it made with a different process?

I am currently building a 5sgte and I'm thinking twice about putting all these expensive parts in my 94 block.

So what do you think it is Manny?

hey what cams did you use?

Manny is using the web cams 294 regrind.

wow read please.
this is the 2nd time ive reposted this in 2 pages:

like can be seen in the pics on the last page, the cams are webcams 294 grind.

will the 98+ blocks have more reinforcement ribbing, has a better casting design around the upper corners, and has a higher nickle content.
all add up to a stronger block than the earlier designs.

never knew that - always thought toyota would keep costs down by keeping the blocks the same.

now that im actually awake, 2 pics.

first an "early" block.



the upper left corner is the weak spot, IIRC.

now, the 98+ block, its pretty easy to tell where its beefier.

I thought you already had Lagos' 98 engine?

WOW!!!!! Thanks a lot Manny for the pics. I didn't even know that. Sh!t, I doubt my 5sgte block I'm building will hold.

Shoot peen the block??

i do, i was talking about getting a spare to build while this one is still in..lol

fed-ex delivered the intercooler yesterday, im pretty happy with it consitering what i paid for it.

a quick pic. its 25X12X3 with 2.5" inlet/outlet.



the piping, bov flange, and a couple couplers will be here early next week, so i will prolly mock it all up next weekend.

Just wondering Manny why so big? I forget the size of yours but it should be good for up to 300, no?