MKIII (1986.5-1992)

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Forum: MKIII (1986.5-1992)

For general discussion about topics relating to the MKIII.

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  1. For technical information about modifications/repairs to the MKIII.

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    1. Info regarding swapping the JZ-series engine into the A70 chassis.

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      • Threads: 9,360
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  2. For frequently asked questions about the MKIII.

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    • Threads: 97
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  1. Sticky Thread Sticky: Connector pins for 7m-GTE harness

    We need to start something here for the 7M harness like the JZ engines have. The connectors on the 7M are just as crusty. Anyways, I'm trying to find the connector and pin for the Oil sender for a 7m that I'm transplanting to my JZ, the connector and pin are in foul shape from the donor...

    Started by ZaZZn, 03-12-2017 09:28 PM
    • Replies: 6
    • Views: 395
    03-27-2017 09:57 AM Go to last post
  2. Sticky Thread Sticky: Your 1JZ-GTE And 2JZ-GTE Swap Guide For Dummies

    I have noticed a lot of the 1JZ information is not as accurate as it used to be. The common parts that are interchangeable with the 2JZ are the easy ones to find and we know they fit. In this thread I will list everything there is to know for us MKIII owners about doing a 1JZ-GTE and 2JZ-GTE Swap....

    Started by IBoughtASupra, 06-25-2013 10:09 PM
    2 Pages
    1 2
    • Replies: 29
    • Views: 40,698
    01-14-2017 07:29 PM Go to last post
  3. Sticky Thread Sticky: New To MKIII Section??? Rules, Info and Search Help Here.......

    I have edited and relocated some useful information to help alleviate some questions from new users. Please read below for basic information on how this forum operates and how to better access it. - Trey SEARCH HINTS/HELP- The Supraforums search feature can be very helpful in keeping the...

    Started by SupraTrey, 12-19-2012 03:43 PM
    • Replies: 1
    • Views: 12,377
    12-21-2012 04:05 AM Go to last post
  1. Long forgotten but not dead

    Just passing through to say what's up to all you hard core MKIII owners. Brewt4ce OG being replaced with new OG 80k unmolested MKIII

    Started by QWIKSTRIKE, 12-03-2016 05:52 PM
    3 Pages
    1 2 3
    • Replies: 65
    • Views: 4,274
    Today 01:25 AM Go to last post
  2. Supra Mk3 1991, AEM EMS 2 .cal files needed.

    I have problems with my aem ems 2 settings and it would be nice to see other maps to compare with my own. If anyone have .cal files for that car it would be nice if you can share it. You can send it to I don't want to go dyno until i get my basic settings right. I have...

    Started by Phoubles, 04-22-2017 01:05 AM
    • Replies: 3
    • Views: 100
    Yesterday 11:31 PM Go to last post
  3. Request: Count your R154 ABS Speed Sensor Teeth Count - Original 3.73 models.

    Hoping someone out there that is rebuilding their R154 can count the # of teeth on their ABS tone ring. I am in process of converting my 87' to 3.73 Gearing from 3.91. The last part I need from Toyota is discontinued, can't get it anymore. The correct drive gear for the speedo. I will be...

    Started by Piratetip, 04-23-2017 04:21 PM
    • Replies: 6
    • Views: 114
    Yesterday 11:14 PM Go to last post
  4. Sheedy Built Supra

    This build has been over the course of 4 years of hard work and lots of money spent. it was posted on SM just because i didnt know of SF at the time, so ill be posting it here now too! lets start off at the beginning,...

    Started by sheedy126, 04-06-2016 10:00 PM
    4 Pages
    1 2 3 4
    • Replies: 91
    • Views: 5,853
    Yesterday 06:36 PM Go to last post
  5. 7mgte clutches?

    i need some imput im new to putting stuff together and im trying to buy a new clutch and flywheel for my 7mgte build. i am wondering if anyone can help shed some light on some awesome clutches and flywheels. my budget is from 300$ to 800$ i was looking at some Mc leod and spec twin disk St? anyone...

    Started by Opticat13, 04-17-2017 07:08 PM
    • Replies: 17
    • Views: 313
    Yesterday 09:57 AM Go to last post
  6. MK3 Supra 1JZ Swap

    I'm looking for a shifter cable for my auto transmission on my 1jz. Any suggestions or is anyone selling one?

    Started by DMK96, 04-07-2017 02:05 PM
    • Replies: 4
    • Views: 205
    Yesterday 07:20 AM Go to last post
  7. Review: Driftmotion 3" 1jz exhaust with Vid!!

    installed the Driftmotion exhaust on my stock jza70. First mod!!!! anyways, love the sound!!! Great while driving on highway as its not annoying and doesn't have any drone. Great fitment. Came with 3 inch gaskets and hardware. The overall sound is not too loud (comparing against my 2011...

    Started by bluemax189, 04-23-2017 07:11 PM
    • Replies: 2
    • Views: 82
    Yesterday 07:04 AM Go to last post
  8. 87 7mgte hac sensor

    I've looked at other threads but most are old and have pictures removed. Where is this sensor and do I need to do anything to it to use the lexus am and saf-c? thanks.

    Started by farristrey, 04-18-2015 12:59 PM
    • Replies: 3
    • Views: 375
    04-22-2017 11:33 PM Go to last post
  9. bring her back to life part du she will go under her own power now what?

    New year nice weather again time to start back to work. If you don't want to go through the other thread, last may we purchased a car that had sat for 4 years and we brought her back to life finally in December with much help form forum members. In Iowa that's to cold to work on a car unless you...

    Started by 1933beer, 04-08-2017 06:06 PM
    • Replies: 7
    • Views: 271
    04-22-2017 07:48 PM Go to last post
  10. Reman 7m head no RTV sealant on #1 cap!!!

    Hello guys I just bought a remanufactured 7mgte cylinder head, it just arrived today. Now the shop that sold it to me put it together already. The cams and caps are all installed but they failed to apply Rtv sealant on number one cap! I've read before that this is needed, and read that it doesn't...

    Started by Jeffersaum, 04-22-2017 03:56 PM
    • Replies: 4
    • Views: 107
    04-22-2017 06:15 PM Go to last post
  11. Starscream´s 2JZGTE VVTI build into a MK3

    Hey Guys, I thought I share my build project with you. First of all, some facts. Object: Toyota Supra MK3 Build 1991 Engine code: 7MGTE Automatic converted into 5sped R154 manual Black

    Started by Starscream, 02-01-2015 06:11 AM
    3 Pages
    1 2 3
    • Replies: 66
    • Views: 14,833
    04-21-2017 11:56 PM Go to last post
  12. Need Help Identifying These Front Bumpers

    So I came across these pics and tried to dig up some more but these are the only ones I found and was wondering if you guys know where or what they are *** I am so sorry, it's late and I'm using my phone and it won't let me upload pics, I'll upload from my laptop in the morning

    Started by WolfMxbee, 04-18-2017 01:07 AM
    • Replies: 3
    • Views: 183
    04-21-2017 10:46 PM Go to last post
  13. JZA70 Beginner Mods

    Hey everyone. I have a 1991 JZA70 Limited that's almost completely stock (stock exhaust, almost everything with the exceptions of new Enkei wheels and a pioneer head unit). Currently the car makes 233WHP with 254 Lb/Ft of torque. I've been asking around regarding "beginner mods", and a fellow...

    Started by Billy1JZ, 04-17-2017 08:58 PM
    • Replies: 4
    • Views: 171
    04-21-2017 09:58 PM Go to last post
  14. Supra MK3 Big Brake Kit Brembo 345mm - (BolT ON!) :rockon:

    This started out as a 330mm kit and then i bought the wrong part on ebay. So I ended up with s600 Brembos and I made it fit! Parts List - 2001 s600 345mm Brembo Calipers 2004 ml500 rotors, 67.1mm to 60.1mm hub centric rings 5mm wheel spacer will vary with the type of wheels you have. ...

    Started by TerrenceLP, 04-07-2017 01:13 PM
    • Replies: 12
    • Views: 499
    04-21-2017 09:49 PM Go to last post
  15. S3 V2 Short Stroke Shifer Review

    Here is my review of my newly aquired S3 V2 Short Stroke Shifter from It arrived in a plain brown box and the contents are as follows... 1) Shifter and 2) Set of directions.

    Started by davidmbedard, 08-23-2005 03:52 PM
    2 Pages
    1 2
    • Replies: 44
    • Views: 2,094
    04-21-2017 07:26 PM Go to last post
  16. 1989 na help!

    I was going to check the wire to the engine coolant temp guage and I found a wire that is completely bare...I have no idea what it goes to, it seems to be a part of the cables that go to the coolant system...It's what looks to be a white or yellow-ish cable with a black stripe. If you have any idea...

    Started by Awag1000, 04-21-2017 04:22 PM
    • Replies: 2
    • Views: 79
    04-21-2017 05:03 PM Go to last post
  17. 7M-GE horsepower out put

    I have a 1989 7M-GE and I love the engine but I don't want to go through the hassle of getting a new engine or a turbo, I want to know how much more horsepower I can squeeze out of the Naturally aspirated setup...I'm aiming for +50hp to my stock 195whp. Any ideas that don't involve a new engine or...

    Started by Awag1000, 04-15-2017 05:22 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 438
    04-21-2017 04:51 PM Go to last post
  18. Driftmotion 6465 turbo kit

    Hi guys. I may end up ditching the 6262 setup over the summer and head towards driftmotions 6465 turbo kit for the 7mgte. I'm wondering what your guys opinions are on this particular turbo and what sort of spool time I would be expecting from this setup. It's a nice kit because it comes with a...

    Started by Joe1234, 04-20-2017 10:36 AM
    • Replies: 9
    • Views: 233
    04-21-2017 02:17 PM Go to last post
  19. Strut Tower Brace + LARGE turbo?

    Fellas... help me out here. I have a larger turbo and I am having trouble finding a strut bar that will clear it. I know some of you may say strut bars are worthless etc but trust me it makes a huge difference when the targa top is off. Pics of your setup would also help much. Thanks in advance.

    Started by E85THO, 04-14-2017 10:05 AM
    • Replies: 5
    • Views: 203
    04-19-2017 12:31 PM Go to last post
  20. Hard start up issues

    Im going to replace the cap and rotor to see if it helps. That knocking noise is from the flywheel i dont know why its making that noise either. The engine itself doesnt have any knocking noise what so ever. It also has a vibration right below my feet around the flywheel that vibrates a bit when...

    Started by Jon91, 04-18-2017 02:31 PM
    • Replies: 0
    • Views: 63
    04-18-2017 02:31 PM Go to last post
  21. Best place to order new speedometer cable?

    Title says it all. Best price I've seen so far is $106 for the long cable and $130 for both from Anyone have a better place? I'm looking for both for my 87 7mgte.

    Started by Xplodr, 04-14-2017 04:26 PM
    • Replies: 7
    • Views: 167
    04-18-2017 12:35 AM Go to last post
  22. Lots of smoke

    Ok so my engine was just recently rebuilt. New pistons/ rings, valve job, custom cams, cam gears and a couple other things that don't affect the engine. I just recently had to replace all the suspension bushings and while I was waiting for parts I decided to put on a turbo I had been waiting to put...

    Started by howellr2, 04-01-2017 07:50 PM
    • Replies: 4
    • Views: 297
    04-17-2017 07:33 PM Go to last post
  23. Need opinions

    Recently had head work done resurfacing cleaning and the shop checked if valves were sealing, my concern is the water jacket areas

    Started by Hoopasupra, 04-16-2017 09:48 PM
    • Replies: 8
    • Views: 184
    04-17-2017 01:04 PM Go to last post
  24. FFIM Madness

    I'm in search of an FFIM and don't really like the look of the Lipp cast one. does anyone know how I can get it touch with Ron R or Sethron71 (sethron PM are disabled) or anyone else who's making FFIM for the 7M. Have a specific look I'm after. PS: if anyone has one for sale or thinking of...

    Started by D-Oaten, 04-03-2017 11:49 PM
    • Replies: 13
    • Views: 552
    04-17-2017 10:47 AM Go to last post
  25. Some MK3 ask's

    Hello Supra Com, first sorry for my bad english, i give my best to make anyone to understand me. :) I have a Supra MK3, i build my cylinder head new and now i want to know how hp can i get from the ct26. 0,8-1,0 bar FCD 3'' Turbo Elbow and Downpipe

    Started by bishop, 04-14-2017 02:50 PM
    • Replies: 7
    • Views: 229
    04-17-2017 04:54 AM Go to last post
  26. Fuel pump relay?

    Anyone know which is the fuel pump relay? Im trying to prime the oil pump but dont want to flood the engine with gas. Thanks

    Started by Jon91, 04-16-2017 11:26 AM
    • Replies: 1
    • Views: 92
    04-16-2017 02:36 PM Go to last post
  27. Unknown connection

    Its located with the connections near the starter. I already have all connection that i can see hooked up there, but i just have this one just there. Anyone know where this goes? I seen this thread about the same wire being the abs connection but i just want to make sure before putting everything...

    Started by Jon91, 04-14-2017 01:29 PM
    • Replies: 1
    • Views: 104
    04-14-2017 01:52 PM Go to last post
  28. Oil filter where???

    Im about to order the summit kit, and was deciding between mounting just under the crossmember near the drain plug, or all the way across the oil pan to where the AC bracket used to bolt into the block. Who's actually done this and where did you mount yours? Yes i have searched btw but i cant...

    Started by giltheartist, 04-13-2017 06:31 PM
    • Replies: 5
    • Views: 171
    04-14-2017 09:39 AM Go to last post
  29. Properly swap a V160 6 speed transmission into A70 Supra.

    Hello everybody! It's been a while since I have posted some of my upgrades. Anyway, I was reading threads about swapping the V160 6 speed in the mk3 MA70 Supra running a JZ engine of course, and the information about it is quite poor , and no one HAS DONE IT PROPERLY unfortunately. I am not...

    Started by 2JZA70Claou, 12-31-2016 01:21 PM
    3 Pages
    1 2 3
    • Replies: 65
    • Views: 3,093
    04-14-2017 06:51 AM Go to last post
  30. Warped head causing coolant leak?

    Okay, cousin bought an alleged BHG Supra for a good price. We pulled the head today, so a few questions at hand. These would be ARP Headstuds correct? The car was said to be rebuilt by a shop. With that said, the HG looks to be good oddly.

    Started by MK3TargaJames, 04-01-2017 05:26 PM
    • Replies: 7
    • Views: 273
    04-13-2017 02:51 PM Go to last post
  31. CFX Hood Lift Supports

    Hi everyone. Just bought a second hand CFX hood. Does anyone have a part number for the correct hood struts that will prevent me from bowing/cracking the hood when I close it? Would like to avoid using a hood prop. Thanks

    Started by joliroger4, 04-05-2017 06:49 PM
    • Replies: 10
    • Views: 408
    04-13-2017 04:11 AM Go to last post
  32. Surging Idle Help?

    Hey guys, this is my first time posting here and hopefully someone can help me out a bit. I have a 1990 Supra with a 7M-GTE, 5 speed manual and about 157k on the odometer. I bought the car with a head gasket leak, hasn't blown fully but it's definitely leaking. So when I first got the car, the...

    Started by mkc, 04-12-2017 07:03 PM
    • Replies: 2
    • Views: 139
    04-12-2017 10:06 PM Go to last post
  33. CLEAN MKIII's... post pix here

    its hard to find a true clean MKIII anymore. i'm sick of going out on weekends and all you see is a million big talkers with their little vtec/si civics, accords, integras and when you do find a supra its usually rusted up the wazoo, falling apart or destroyed cause somebody tried to rice it out. ...

    Started by bluebullet89, 10-18-2008 02:39 PM
    264 Pages
    1 2 3 4 5 6 ... 264
    • Replies: 6,594
    • Views: 1,422,391
    04-12-2017 09:20 PM Go to last post
  34. Mystery No-Start, test your supra knowledge

    Hey guys, first time poster. Hoping to find someone near my area to come out and help me solve this. Ill cut right to the chase. This is an 87 mk3 7mgte automatic with about 230000 miles. I have a no-start condition with code 12. Began 2 months ago. When running, i would shift into park and...

    Started by giltheartist, 04-01-2017 08:56 PM
    • Replies: 20
    • Views: 592
    04-12-2017 09:40 AM Go to last post
  35. 1989 NA Resto-mod

    I recently purchased a 1989 Supra NA 5 speed Targa and there's a whole list of things that is needed to be fixed on it. Ive gotten some of the major mechanical things working but there's still a huge amount of work to do to it. It's pretty clean on the outside no major rust (just a small spot on...

    Started by Awag1000, 04-09-2017 06:10 PM
    • Replies: 9
    • Views: 253
    04-12-2017 09:30 AM Go to last post

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