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Thread: Feasibility Study MA70 cooked engine rebuild

  1. #1
    Normally Aspirated Domestic Engineer RT104GT's Avatar
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    Default Feasibility Study MA70 cooked engine rebuild

    My wrecker buddy always calls me when he gets a bargain IHO.


    Last bargain took me six months and was a 1.9 TDi 306 Turbo diesel GTi with an intercooler which cost me $1500 from the yard and then $2500 for an engine and other stuff and ended up costing me $5000 on the road.


    Now he has asked me do I want to buy an MA70 RWD Supra 1986 model automatic with 167000 km and a soft cooked head.
    It looks pretty neat but I will need to source new engine and want to convert it to 5 speed manual.
    I looked at VIN plate and it has AMI compliance so its not a grey ghost Its 1986 EN7M0020469 7MGE.

    So what's the go here, GTE engine and box or whats the advice from the supra guys.
    Where can I buy pedals, box, engine, also needs a radiator as his leaked and he cooked the engine, (twice) do I just buy a new head for $450 and hope the bottom end is not too cooked?

    All ideas welcome.

    I always wanted an RWD Supra. Maybe this is the one.
    Nice alloys and low km's seems too good to be true.
    $1500

    Anyone got a donor car wreck or a 7MGTE engine computer air box they want to sell me?
    Last edited by RT104GT; 05-06-2008 at 05:02 PM.
    1968 RT40S Corona 1600S series II (restore in progress)
    1973 RT104-MQFG 012604 Corona GT JDM (Owned since 1976 242000 km)
    1989 ST185-BLMVZ-0007199 Celica GT4 JDM (unmolested classic 95000 km)
    2012 ZN-6 86GT (shed find 5000 km in 6 years)

  2. #2
    "it went up in a jiffy" Conversion King Kedderz's Avatar
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    Default Re: Feasibility Study MA70 cooked engine rebuild

    i bought my mz21 soarer (see sig) for $1000 with a bhg, its in perfect condition. 1500 for what is a rolling shell for a NA 7m auto is way to much. You will have to upgrade everything in the NA to turbo spec including alot of the wiring which will be a bitch.

    And thats just the start, if he gives it to you for $500 then it might be worth it else keep looking ;-)
    RA23 - Twincharged
    JZZ20 - Daily

  3. #3
    I make people cry Chief Engine Builder Draven's Avatar
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    Default Re: Feasibility Study MA70 cooked engine rebuild

    agreed. if it was manual to begin with, you'd just be an engine away from happy times, but doing a full conversion (pedals, clutch, gbox, engine, rad), it's going to be an expensive exercise

    edit: oh, and there's no way to tell if block should be replaced too until you rtake it to a builder, or have a look yourself.
    http://www.toymods.org.au/forums/showthread.php?t=7465
    Quote Originally Posted by xero View Post
    and of course campbell newman's completely fucking everything he touches so badly that he should be called dick fingers.

  4. #4
    Not in the diner Alf! Conversion King RyleyMA61's Avatar
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    Default Re: Feasibility Study MA70 cooked engine rebuild

    with that kind of money you could get an ma61 and put a 7mgte in it- and already you'd have much better performance than the heavier ma70...

    food for thought

  5. #5
    30DET... The only way. Carport Converter Kyosho's Avatar
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    Default Re: Feasibility Study MA70 cooked engine rebuild

    Pass on it...

    I picked my GA70 up that just required 2 new turbos for 1/3 of that price...
    My Dead Supra...
    Quote Originally Posted by ReQuieM in the A70 Thread
    There is some serious talent in this thread for linking anything to fuckin gay sex. Its extraordinary.

  6. #6
    Normally Aspirated Domestic Engineer RT104GT's Avatar
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    Default Re: Feasibility Study MA70 cooked engine rebuild

    Quote Originally Posted by Ryley
    with that kind of money you could get an ma61 and put a 7mgte in it- and already you'd have much better performance than the heavier ma70...

    food for thought

    Yeah I think I'll consider buying nb86's MA61
    looks a better deal except for RWC problems with 7M engine.

    I like the 61 better shape

    Thanks guys as always you are the men.
    1968 RT40S Corona 1600S series II (restore in progress)
    1973 RT104-MQFG 012604 Corona GT JDM (Owned since 1976 242000 km)
    1989 ST185-BLMVZ-0007199 Celica GT4 JDM (unmolested classic 95000 km)
    2012 ZN-6 86GT (shed find 5000 km in 6 years)

  7. #7
    Not in the diner Alf! Conversion King RyleyMA61's Avatar
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    Default Re: Feasibility Study MA70 cooked engine rebuild

    i went okay with the RWC and mine, just didn't say anything about the 7m... covered up all signage. the engine number is that hard to see 90% of RWC joints won't bother...

    thats what i did anyway, worked with vicroads too until i engineered it

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