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  • joewitafro
    started a topic Project 93 GS300 5 speed

    Project 93 GS300 5 speed

    I have this posted on clublexus but would love to be apart of this forum as well and share the project I am building..

    I've been wanting a toyota inline six for a while ever since I sold my mk3 supra in 2008, but I always disliked the small backseats. Looked into getting an SC but it never worked out, and I decided I wanted to build a four door "supra" essentially. I am performance orientated and while luxurious is nice, I am not a huge VIP person. I found a 1993 with a burnt transmission for 900 in Seattle, ended up picking it up for $750 and it could use a front bumper, drivers front fender, and paint job. Runs great though with 215k on it. Although it has high mileage and not the cleanest start, I've been a college student for a few years and funding is not exactly consistent. Water in trunk, the car had a broken tail light which I thought was the suspect so I just replaced the tail light on it but it still leaks so I am thinking a torn seal.

    Here's a photo after being washed: You can see the antenna mast also wont lower completely


    As far as the parts I've collected.. I picked up this:



    I've also picked up:
    mk3 supra aisin clutch master cylinder and slave
    driftmotion SS braided clutch line
    mk3 clutch pedal assembly
    mk3 ebrake assembly
    toyota reman mk3 clutch disk/pressure plate/pilot + throwout bearing
    ARP flywheel bolts, driftmotion PP bolts, shifter bushings
    mk3 r154 driveshaft
    picked up a free toyota battery from my bro and a new radiator cap..

    Motor runs great, and almost everything works inside the car. Left rear speaker doesn't work, but the interior is in okay condition with some rips in the leather seats and carpet which could use a wash.

    The motor is rather clean, and after the manual transmission swap is done and I sell my other car, I plan on freshening up the motor with new bearings and rings, custom long runner front facing intake manifold using Ross machine D plenum, GTE valve covers, t4 with a Borg Warner 62 or 66 mm, VVTI coil packs, and an Aristo ECU which I've already found. :woot:

    Anyways.. Got the car in the shop the first day I started first by taking the exhaust out, driveline, transmission, center console out, lower dash panel out, auto transmission out along with the exhaust and drive shaft, also tore out the trunk interior investigating a bad leak, and removed my amp.




    1jz flywheel freshly surfaced with ARP's installed:

    Soarer R154 Transmission waiting to go up, you can see the shifter housing is about 1" back:

    It took some work, widening the transmission tunnel in multiple places by up to 1/2", and a bit of time to get the transmission to finally sit flush on the motor. I took a 4" hole saw and cut as far forward as I could, then clearanced and cleaned up a few little pieces but the stock swan shifter clears.



    bolted up using the stock auto cross member reversed. Fire wall had to be massaged on both sides around the main housing in the back


    rear shot:


    More later! but the floor ebrake is disconnected and out of the car, planning to use it alongside a mk3 clutch and weld them together. I found out the gs300 driveshaft I have is not compatable with the supra or SC shafts at all.. So only the front input shaft will be useful in having a one piece made.

    Well, slight progress.. Not much though.

    The differential adapter will be here tomorrow and I will get the final measurement to the driveline shop for a 1 piece to start being made.

    I had some friends come and help me tighten the pressure plate bolts the other day, and today all the bell housing bolts are in, starter is in, and slave is bolted on.

    I made a template for the clutch master and proceeded to guess where to place it Here's where it turned out. It's not too bad..

    Had to beat in the firewall on the right quite a bit to flatten it out, and then I took the floor ebrake bracket and grinded out the rivets, then cut the bracket in half so I am only utilizing the top two studs. I haven't welded them yet, but so far the mock up is looking pretty good.



    I also took a grinder to my front center console brace that goes across the front, and notched it slightly just to make sure I clear when I go into 1st, 3rd, and 5th.. I do, but I don't want it to touch for any vibration, so now there is a 1/4" gap when its in gear. Once the shifter plate/boot is made it will totally look like a short shifter is installed, and the new poly shifter bushings I got make the trans shift tight and has a short throw, seems less than a stock mk3 with this swan shifter.

    So i got the differential adapter installed, and the measurement taken with the yoke pushed all the way in. The final driveshaft will be 52-1/4"

    I dropped off the parts at the driveline shop Monday afternoon, and he wants the rear adapter to make sure of the flange spacing.
    Went to the driveshaft shop today to drop the flange off, he confirmed it worked for the 1350 flange and returned it to me, It should be done Monday 1/7

    On another note I went and made some progress with my brother in the shop!
    Last edited by joewitafro; 16-05-15, 10:51 PM.

  • joewitafro
    replied
    Re: Project 93 GS300 5 speed

    From what I've tried, with this blue tooth OBD2 dongle it won't connect to the ecu at all unless I had access to tell it to follow the certain JOBD protocol. I know its wired correctly, or I would be getting errors and unable to connect. Also, it seems to readily read the information its pulling from the ecu, throttle %, O2 voltages, water temperature, map sensor voltage, etc.. I am also able to retrieve fault codes and clear them. I'm getting a bunch of transmission codes but that's because I have no automatic transmission, and the only other code to note is a vehicle speed sensor.

    Leave a comment:


  • Swampy442
    replied
    Re: Project 93 GS300 5 speed

    Or maybe all the stuff you bought doesnt work properly with the car/isnt set up properly?

    Leave a comment:


  • joewitafro
    replied
    Re: Project 93 GS300 5 speed

    So starting off on my car.. I used the information from http://www.2jzgarage.com/2013/01/2jz...d-information/ that described I needed to purchase Torque Pro app for android to get this to work and enter in some information.


    Buy a ELM327 scanner tool – ELM327 Interface Bluetooth OBD2 Auto Scanner V1.4 OBDII
    Purchase and install Torque Pro Android software – Torque Pro Google Play
    In the vehicle profile of the Torque Pro application add the following line in the VERY ADVANCED ELM327 section: ATIB 96 \n ATIIA 13 \n ATSH8213F0 \n ATSP4 \n 0100

    Now from some reading those settings mean;

    ATIB96 = Set the ISO baud rate to 9600bps
    ATIIA 13 = Set ISO (slow) Init Address to 13
    ATSH8213F0 = Set Header to 8213F0
    ATSP4 = Set protocol to 4 (ISO 14230-4 KWP (5 baud init, 10.4Kbaud))
    0100 = Start Sending Data

    Now, with the car started I can get it to connect. But after doing some pulls and logging, I question some of the results and ask for anyone's input.

    For the Vacuum reading, It seems to accurately read my vacuum gauge until -5.. at that point it doesn't go further while my boost gauge is reading 8-10 psi. The Tachometer seems to be accurate but shows a max achieved limit of 5500-5700 or so with the OBD2 port readout from the ECU, while the dash shows me reaching the rev limiter at 6500. Also, the throttle only shows to be reaching 76-78% when i go WOT.

    These few things lead me to believe that either my ECU is bad, or.. my MAP sensor and TPS may be out of calibration even more. And maybe even my igniter?



    last of all, I took a picture of how my rear end has settled with the new raised height and rear tires. I think it looks real good. Hope to tow my quad this summer!

    Leave a comment:


  • joewitafro
    replied
    Re: Project 93 GS300 5 speed

    Had a family get together today, hot sun in the 90s and BBQ! But when it cooled down I put my interior back together and mounted the OBD2 port. Looks great to me.

    Leave a comment:


  • joewitafro
    replied
    Re: Project 93 GS300 5 speed

    Some small but good progress!

    Today my wiring harness guy Mark @ Panic Wire hit me up on email thinking he had a fix for my cut out issue and wanted me to stop by his house. Went over to have him check it out, and he created an obd2 harness and installed it for me.

    Another customer of his with a vvt-i swap was having some back feeding voltage from the starter relay, and Mark thought this could be my issue if it was happening but no luck there, mine isn't causing the issue. So after installing the obd2 connector we took it for a test drive, hit limp mode and headed back. To my surprise he asked if I had diagnosed my TPS yet, and using and properly operating a volt meter has been something I have yet to learn so it was a great lesson learning about readjusting the TPS to be within spec! We discovered with the ohm meter that I was hitting over 5V @ 80% throttle, which was causing a conflict between the accelerator position sensor and the TPS, and creating a limp mode condition.

    Once we adjusted the TPS and reset the ECU the car is now able to do full throttle pulls @ 8-10 psi without any fuel cut. FINALLY!!! Super happy about this and the time and effort Mark took out of his day to work on my car at his house, way above any expectations to have him offer some at home diagnostics to figure out my issue. Really can't say enough good about Panic Wire. Most people would've told me to find a shop or a mechanic, feels like Mark is a homie!

    After relaxing a bit from the scorching heat, I ordered a OBDLink LX with bluetooth so I can connect it to my new port, run the Torque APP that is JOBD/ISO 14230 protocol compliant. This should give me the ability to view and clear codes, as well as have some real time information stream that I can broadcast with my android device. Would love to get a boost controller in the future, been looking at both the Hallman pro MBC or the HDI EBC.



    Last of all my new front tires showed up. My old ball joints pretty much wrecked the insides of my old tires. I decided to go for a slightly smaller sidewall because I am rubbing on the firewall.


    Last edited by joewitafro; 07-06-15, 11:20 PM.

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  • joewitafro
    replied
    Re: Project 93 GS300 5 speed

    Few pictures from the local car meet yesterday. My steering feels terribly sloppy from my blown out tie rod end, so it cut my day short but that's okay. My MOOG tie rod end came in the mail when I arrived home!













    Still cant go WOT without hitting fuel cut and going into limp mode, and only making 8-10 psi..

    Leave a comment:


  • joewitafro
    replied
    Re: Project 93 GS300 5 speed

    Thank you Dave!

    So today I realized my driver side outer tie rod end is shot, and the threads not so pretty either. I tried getting a moog today, but they ended up delivering an inner tie rod *DOH* so I ordered the correct part and it should be here Tuesday or Wednesday.

    In the mean time I went back to the shop to work on the brakes. I've never done this before, and couldn't find a write up nor' any useful information in the gs300 manual.

    Pretty much to do this job, its best to set the rotors on the studs after tightening the lower ball joint to the hub well with loctite. Then use a 14mm to separate the caliper apart.



    Make sure to use the toyota disc brake grease for the anti-squeel pads on both sides.



    Install the new brake pads into the caliper slider like so. You will have to press little retaining clips back to get the pads in, but its easy.



    Next is to set that section with the brake pads onto the rotor, and bolt it to the hub. At this stage you can push your rotor fully into place, and use loctite on these bolts with your pads attached. Also, the anti-rattle springs can be easily installed at this stage.



    Next is to compress the caliper pistons. First remove the brake master fluid cover, and find a caliper compressor. This specific one is a mac tools, and it worked but there may be better. Your going to want to compress them evenly, and often go and check to make sure your fluid level is not above the high line. When you compress the piston enough that the fluid does, just suck some out with a dedicated turkey baster or syringe.



    Last of all was putting the compressed piston caliper back on the brake pad section and bolting it on with loctite. I repeated this process for all four corners without breaking the lines open. Afterwards i re-added some fluid.



    I put on my gates accessory belt, and then raised my rear coils 1" to help with tire clearance and allowing me to tow my quad. Tomorrow I plan on working on fixing my down-pipe and replace the exhaust gasket there, and then work on the transmission speed sensor conversion from electronic to a supra mk3 R154 wire version with a marlin crawler speed sensor adapter. And I have valve cover gaskets and pcv valve to do as well.

    Leave a comment:


  • DaveEdge
    replied
    Re: Project 93 GS300 5 speed

    That's my next install, suspension/steering component's.

    Nice car man.

    Leave a comment:


  • joewitafro
    replied
    Re: Project 93 GS300 5 speed

    Started off this morning dropping the rotors off at toyota and picking up this harbor freight ball joint separator. Got it for 10 dollars off for 15.99, not bad if it can do the job!



    Picked up the rotors, they look pretty good for OEM and have life left in them.



    Using a 17mm impact socket, I removed the two bolts holding the caliper on, and set the calipers aside using something to prop them up to prevent the lines from being damaged.



    Checkin out my new upper control arms with camber adjustment from SPC. These are version 2.





    Time to get to work on the ball joints!


    Remove the upper break line attached to the control arm with a 10mm.



    Remove the cotter pin and castle nut, and then use the separator to pop the ball joint apart.


    Next use a 14mm to remove the two bolts on either side of the coil over.


    With these out the arm can easily be pulled out.




    New arm on



    Now to remove the lower ball joints you need to use the separator on the tie rod ends, then zip off the two 17mm bolts underneath either side of the lower ball joint. After this you can lift the upper ball joint and connecting arm to the side to have some room to work with. This lower ball joint can come out rather explosively!





    New lower ball joints on. On the passenger side I had no problem getting the tie rod in, but the drivers side is another story for tomorrow.



    Drivers side control arm and ball joint in:



    Front caliper with the brakes pulled out. Its a pain to get these retainer clips in. I still need to open up the pads more to fit over the rotor.





    More tomorrow!

    Leave a comment:


  • joewitafro
    replied
    Re: Project 93 GS300 2JZGTE VVTI + SOARER R154

    Car went into the shop today! Thanks to my brother while he is out of town for allowing me to use it.



    Rotors off all four corners. Dropping these off in the AM at Toyota to be surfaced.





    I ended up removing the front fender liner, did an oil change and replaced the hose clamps on the lower section of the radiator. Tomorrow I am going to drop the rotors off first, then harbor freight for a ball joint separator, and proceeding to do the upper and lower front ball joints. I also plan to do valve cover gaskets, PCV valve and work on my exhaust down pipe flange/gasket. More pictures tomorrow.

    Leave a comment:


  • joewitafro
    replied
    Re: Project 93 GS300 5 speed

    Some photos of my coolant overflow relocation





    Showing my igniter mounted and clutch master, along with an overview of my motor right now. Needs cleaning!







    - - - Updated - - -

    Just ordered a fuel filter #23300-50050. Figured its probably never been replaced!

    I'm having an issue where when i go WOT.. I am only making 10 psi of boost, yet hitting fuel cut and having the throttle body go into limp mode. Any clues?

    Also, the 10 psi issue.. Could this be because of a blown out down pipe gasket?.. Not sure how much effect back pressure has on the stock twin system.

    Another upgrade I would like to do is a HKS SLD type 2. So in those efforts I've cleaned up the diagram I will need to do it.



    - - - Updated - - -

    Decided to take some pictures of the setup, and install some NGK TE79 wires and some zip ties on vacuum hose.

    Here's a picture of the new 2jz-gte accessory belt dampener from a manual supra TT / IS300



    No leaks on the vvt-i cam gear!









    The old stock wires pretty much broke taking them off. :thumbdn:





    And the new NGK-TE79 wires installed!



    Going to be doing brakes and ball joints soon!

    - - - Updated - - -

    So after installing the HID's, one of my low beam connectors was fried so I picked up some dorman hi temp connectors to replace.







    I also used baking soda and water with a sponge to scrub my headlights and clean them up a bit.

    Before:

    After:

    Leave a comment:


  • joewitafro
    replied
    Re: Project 93 GS300 5 speed

    Went out and started, and it just started to sprinkle which caused me to misplace it! Argghh! Still looks pretty good!

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  • joewitafro
    replied
    Re: Project 93 GS300 5 speed

    Not yet Swampy! Just found some from DeNick! Going to put it on soon. More updates to come this summer. I have a full clubaristo LED interior kit, the ball joints and brakes, and some trailer wiring :P. Maybe some other stuff!
    Last edited by joewitafro; 17-05-15, 12:25 AM.

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  • Swampy442
    replied
    Re: Project 93 GS300 5 speed

    Fantastic update dude, thanks Haven't you got any Club Aristo stickers??

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