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Thread: So I bought a one owner MA70 - 7mgte powah

  1. #91
    Founder Nick's Avatar
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    I had a VDO boost gauge in the cig lighter, couldn't see it.

    Ended up getting a Defi on the base of the pillar for rice cakes.
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  2. #92
    Registered User 50RTD's Avatar
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    Yeah it has to be an obvious gauge, or it's of little use.

    This is for ECT btw, to ensure head doesn't melt.

  3. #93
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    Quote Originally Posted by Nick View Post
    But you always have one eye on the temp gauge. Was even a habit in the 1jz I replaced the 7m with.

    Sent from my LG-H815 using Tapatalk
    I did the same with my 1jz because it always ran kind of hot, especially when standing still. Replaced the radiator - no change. It wasn't until a mate said "what about the fan control computer" and I said "what fan control computer" that I realised the extra temp sender from the jza70 radiator actually was required and wasn't just "some extra temp input that the car doesn't need". And that black cigarette box shaped Doo-hickey in the passenger footwell was something I might need to switch the hydro fan on....


    Sorry for spamming your thread with ma70 babbling DJ. Good luck with the aerotop.

    Next purchase an MZ20 aerocabin?


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    Yes we Chemistry

  4. #94
    Registered User 50RTD's Avatar
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    5 temp senders in the thermostat housing area!

    Fuck me that is hard to work out what is what.

  5. #95
    Registered User I'm DJ!'s Avatar
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    Nah, thread is for spamming, one and all are welcome, embrace your inner 7M
    DJ's don't need sigs

  6. #96
    loves the Cressy
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    Not sure there is any sort of embrace that'll keep the coolant in the right place - but whatever.




    Cheers, Richard

    MX83 Cressida Grande - 1JZ-GTE Twin Turbo JZX81 Motor, Fr Suspension in, tailshaft made & installed, bigger fuel pump in, zorst, wiring, fmic done (thanks jzk25) BA rotors R33 Calipers Now REGISTERED going well
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  7. #97
    Chairbourn ranger! Mike Lowrrryyy's Avatar
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    Could you fix the BHG issue by grout filling the block?







































    Then attaching a chain to stop a boat from drifting away.
    Quote Originally Posted by turbosurfer View Post
    Go fuck yourself cunts you to fatboy you cunts wanna bring up wifes as usual im just defending myself.
    Then you all get all teary gang up and attack like a bunch of lebbos that see an open oppertunity pretty
    much a bunch of gutless cunts that think like sheep. And if he is a ugly cunt and has a looker than he must have
    lots of $$$$ which speaks for itself. So as I said well and truly get fucked cunts.

  8. #98
    Nay sayer Mr Ed's Avatar
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    Quote Originally Posted by TRD-MX62 View Post
    Ahhh stupidmania, I got life-time banned for signing up as "Jesus" and posting goatse many years ago, Mike the owner/admin really dislikes goatse....
    Lol, thats pretty funny but supramania is pretty good for MA70 info
    Quote Originally Posted by turbosurfer View Post
    No the
    joke on you guys because your so fucking dumb.
    #WHOTW award winner #blessed #susanalbumparty

  9. #99
    Non Compos Mentos Gammaboy's Avatar
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    Quote Originally Posted by Uncle View Post
    Could you fix the BHG issue by grout filling the block?
    Only works if you grout fill through the oil filler.
    "Where can we get hold of a Vincent Black Shadow?" "Whats that?" "A fantastic bike," I said. "The new model is something like two thousand cubic inches, developing two hundred brake-horsepower at four thousand revolutions per minute on a magnesium frame with two styrofoam seats and a total curb weight of exactly two hundred pounds."

  10. #100
    Chairbourn ranger! Mike Lowrrryyy's Avatar
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    Not sure I'm seeing an issue?
    Quote Originally Posted by turbosurfer View Post
    Go fuck yourself cunts you to fatboy you cunts wanna bring up wifes as usual im just defending myself.
    Then you all get all teary gang up and attack like a bunch of lebbos that see an open oppertunity pretty
    much a bunch of gutless cunts that think like sheep. And if he is a ugly cunt and has a looker than he must have
    lots of $$$$ which speaks for itself. So as I said well and truly get fucked cunts.

  11. #101
    Registered User hrd's Avatar
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    RE temp gauge. I use Engine Guardians on all my cars. Slim digital display that you just stick on somewhere with double-sided tape. Little control unit goes behind the dash somewhere. Has 2 programmable overheating alarms you can set, so you don't have to bother keeping an eye on the gauge. And it's a thermocouple fitting so still reads the actual temperature if you lose coolant - immersed sensors don't.
    You can get the gauge only, or with 2 temp sensors, or relay kits to control thermo fans
    http://www.ebay.com.au/itm/Engine-BL...8AAOSwj0NUbn6Q

  12. #102
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    All this talk of temp and bhg reminds me of the time I drove my r32 to noosa for rb25 fitment. Started at my house from cold (35 degrees). Drove 2.3km to servo to fill up and it was 91 degrees.

    Drove 1km to northbound exit, sped up to 100km and temp was 112. managed high of 119 up some hills.

    Didn't die.
    Well didn't get stranded.

  13. #103
    Registered User I'm DJ!'s Avatar
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    Quote Originally Posted by hrd View Post
    RE temp gauge. I use Engine Guardians on all my cars. Slim digital display that you just stick on somewhere with double-sided tape. Little control unit goes behind the dash somewhere. Has 2 programmable overheating alarms you can set, so you don't have to bother keeping an eye on the gauge. And it's a thermocouple fitting so still reads the actual temperature if you lose coolant - immersed sensors don't.
    You can get the gauge only, or with 2 temp sensors, or relay kits to control thermo fans
    http://www.ebay.com.au/itm/Engine-BL...8AAOSwj0NUbn6Q
    Thanks Harry, Jason is working something out, I've sent him that link because he can't read it in here due to being banned.

    #freebroadhurst2015
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  14. #104
    TJzone TJ's Avatar
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    Quote Originally Posted by TT View Post
    All this talk of temp and bhg reminds me of the time I drove my r32 to noosa for rb25 fitment. Started at my house from cold (35 degrees). Drove 2.3km to servo to fill up and it was 91 degrees.

    Drove 1km to northbound exit, sped up to 100km and temp was 112. managed high of 119 up some hills.

    Didn't die.
    Well didn't get stranded.
    Haha I blew the core plugs out of my 20 doing skids, drove it 40km home bit by bit. She good!

    And Damo, fark you, simply because of this, I am going to look at this on Sat

    http://www.gumtree.com.au/s-ad/baldi...ell/1097631258

    If its not uber shit I will stash it for a while then do something with it.
    #teamtremolo
    Quote Originally Posted by brasher
    TJ is 99% African American.
    Quote Originally Posted by Fatboy View Post
    And i'd still fuck Betty....

  15. #105
    Registered User 50RTD's Avatar
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    Quote Originally Posted by I'm DJ! View Post
    Thanks Harry, Jason is working something out, I've sent him that link because he can't read it in here due to being banned.

    #freebroadhurst2015

    JB cannot be banned using conventional methods....

    #freebroadhurst #jfb

  16. #106
    cunning linguist lickmyleftone's Avatar
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    Quote Originally Posted by TJ View Post
    Haha I blew the core plugs out of my 20 doing skids, drove it 40km home bit by bit. She good!

    And Damo, fark you, simply because of this, I am going to look at this on Sat

    http://www.gumtree.com.au/s-ad/baldi...ell/1097631258

    If its not uber shit I will stash it for a while then do something with it.

    Blue and green should never be seen unless in a fire.

    Which that interior needs badly.
    The World's Best Pest Control in Brisbane, at PF mates rates, PM me.

    when all else fails, hit it harder.

  17. #107
    TJzone TJ's Avatar
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    Easy to sort - as long as it is straight and not crashed.
    #teamtremolo
    Quote Originally Posted by brasher
    TJ is 99% African American.
    Quote Originally Posted by Fatboy View Post
    And i'd still fuck Betty....

  18. #108
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    seriously this far in and no knock knock jokes?

    ive said it before and ill say again looks very clean...

    skid pics not loading though...

  19. #109
    Registered User I'm DJ!'s Avatar
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    Quote Originally Posted by ga70tt View Post
    seriously this far in and no knock knock jokes?

    ive said it before and ill say again looks very clean...

    skid pics not loading though...
    Shuddup and make with the spare seatbelt holders!
    DJ's don't need sigs

  20. #110
    Purist, whats that? Jason Broadhurst's Avatar
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    So this rig came to my place for;

    1) A good electrical once over
    2) Broken alarm removal
    3) ECU sensor check and tune up (OEM still)
    4) Fit a temp gauge
    5) Fix dash temp gauge which goes straight to hot (queue jokes)

    I started by removing the alarm. This was done by locating it, and tracing the harness back to each wire it had tampered with. From there I removed the shitty soldered and tape join and proceeded to repair. I chose to unpin each wire which had been effected so that I could repair joins with heat shrink, as it is obviously more robust than electrical tape repairs (which are acceptable is some cases). The car electrically and behind all the carpet is immaculate, so I wanted to keep to that standard. Victory soon followed, and the car started which is always a relief when removing immobilisers and alarms.

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    A good old fashion sensor check was in order, which includes basically anything the ECU uses in it's calculation to make the engine run. First I went to find the ECT and ran in to this problem. Which sensor does fucking what? There are 5!

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    Through means of deduction, I found that the green one had to be the ECT. ECT is always 2 wire, but there are 3 two wire sensors, so I consulted the manual and google.

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    Next problem is that it was hidden by the power steering tank, which took about 20 minutes to remove and gain access. It was a good chance to get in and clean stuff up anyway.
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    I did the same thing for all the sensors going to the ECU. This includes 3 other coolant temps, MAF, IAT and MAP to name a few. All checked out nicely when checked against expected values.

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    While I had each plug apart, I took the opportunity to clean the contacts and assembly. I use the white solvent spray first and then contact cleaner to splash away and evaporate the rest. Plugs come up like new typically.

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    The ignitor on these cars has a casing earth, which is very frequently internally corroded as the screw is open to atmosphere. I opened the ignitor to inspect, only to find basically brand new condition internals. I cleaned up all the bolting faces anyway and applied some corrosion resistant spray and reassembled. Each bolt to the chassis was cleaned also, as this is the earth path. You can see the little hook like arm going to a small screw, this is usually powdery and making a poor connection
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    I then followed up with a timing check and idle setting. To do this, you bridge a wire in the test connector to ground which forces the ECU to run 10 degrees timing and 800rpm idle. You then adjust the CAS and idle screw until you have the exact values required. I wound a little more timing in to this because it's a nice way to sneak a few Nm and kW for free. A test drive confirmed it wasn't knocking, so I went a bit more and it knocked on my knock detection, so I backed off again and left it 2.5 degrees advanced from the 10 degrees base as standard.

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    Finished up with a little birthday for the engine bay, because I'll be in here plenty anyway and hate getting dirty.

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    Ralph and Vader chillin in the garage.

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    Last edited by Jason Broadhurst; 11-12-15 at 12:42 AM.
    Jason Broadhurst

    Someone once asked me if they could use my mower. I said "sure, so long as it doesn't leave my yard"

  21. #111
    cunning linguist lickmyleftone's Avatar
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    Wow. Babalouie and psi999 have had a lovechild.

    Migaloo is waiting in anticipation Jason.
    The World's Best Pest Control in Brisbane, at PF mates rates, PM me.

    when all else fails, hit it harder.

  22. #112
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    Quote Originally Posted by I'm DJ! View Post
    Shuddup and make with the spare seatbelt holders!
    i have none of them...

    wouldnt be too hard to track down

    the guy that bought my roller probably has a spare pair of them
    stephen bath on facebook.

  23. #113
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    Good write up A+. Engine bay looks clean.
    Quote Originally Posted by Mr Jones View Post
    Sneakers prompted the erection. Engine stand made me do something with it

  24. #114
    Registered User trdee's Avatar
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    work out what the gauge issue was? was the wire shorting out?

  25. #115
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  26. #116
    Purist, whats that? Jason Broadhurst's Avatar
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    Quote Originally Posted by trdee View Post
    work out what the gauge issue was? was the wire shorting out?
    It's still coming. I suspect corroded tracks on the cluster print.
    Jason Broadhurst

    Someone once asked me if they could use my mower. I said "sure, so long as it doesn't leave my yard"

  27. #117
    Registered User my limp penis's Avatar
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    YESYES

    More 7M! haha.

    Listen to Allan and get the head hardness tested. Most have gone soft by now.

    Seal it up all nice and enjoy maximum torques

    Can I have the plastic 'Victa' aka coil pack cover? I will swap you my slightly broken one.
    '84 Supra 7MGTE
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  28. #118
    Registered User I'm DJ!'s Avatar
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    Quote Originally Posted by TJ View Post
    Haha I blew the core plugs out of my 20 doing skids, drove it 40km home bit by bit. She good!

    And Damo, fark you, simply because of this, I am going to look at this on Sat

    http://www.gumtree.com.au/s-ad/baldi...ell/1097631258

    If its not uber shit I will stash it for a while then do something with it.
    Now that's how you do gauges

    Plenty of value in it.

    It needs 2J or LS though.

    Embrace your inner 7M - tm

  29. #119
    Registered User I'm DJ!'s Avatar
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    Quote Originally Posted by My limp penis View Post
    YESYES

    More 7M! haha.

    Listen to Allan and get the head hardness tested. Most have gone soft by now.

    Seal it up all nice and enjoy maximum torques

    Can I have the plastic 'Victa' aka coil pack cover? I will swap you my slightly broken one.
    This head softness jibber jabber. Explains me please.
    DJ's don't need sigs

  30. #120
    Registered User TRD-MX62's Avatar
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    Quote Originally Posted by I'm DJ! View Post
    This head softness jibber jabber. Explains me please.
    the head can anneal if it gets cooked, then when you do the bolts\studs up they sink into the head...

    you can try getting it heat treated but then it needs to be ideally loctite impregnated and EVERYTHING re-machined, a new head is typically more cost effective if still available or you can try a few second hand heads...

    http://www.allhead.com.au/blog/How-Hard-is-Your-Head/

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