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Thread: coverting old mehran to euroII (carb to efi)

  1. #1
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    Default coverting old mehran to euroII (carb to efi)

    i have a mehran 2010 model on petrol. thought of installing cng but rejected coz of current availability issues of cng. now i got an idea of conversion to efi / euroII setup.
    is that possible?
    how? by only removing carburetor and installing efi (injector kit) or some thing else will also need to change?
    will engine block, head, pistons etc remain intact or they may also be needed to change??
    has anybody tried this till yet? what are the results?
    help, suggestions, experiences and ideas are more than welcomed from experts and fellow pakwheelers.

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    MGK
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    The best way would be to sale it as it is and then buy euro II mehran.

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    Best thing to do is.. try scrap market like bilal gunj in lahore..

    Thankfully due to theives... some of the new efi mehrans would be stolen by now i guess and they'd be by now in the scrap yards converted to bits and pieces.. try to get a new efi mehran engine for ur car, sale this engine, pay the difference! bolt on fit on these mounts... Bingo!

    U can also try to fit 660cc engines of Jap cars...

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    @Automotorsport_Lover 660cc engine kitni raftar tk ja sakta hai...
    A real driver knows exactly what's in his car.

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    Quote Originally Posted by raja20103 View Post
    @Automotorsport_Lover 660cc engine kitni raftar tk ja sakta hai...
    660cc japanese cars engine produce more BHP than ur petrol mehran engine..
    Ur petrol mehran is 39 Bhp...but 660cc japanese cars have some 50-55Bhp engines at avg. they can go to 130-140 Km/hr.

    They are technologically more advanced engines, they have higher compression which means they make full use of each drop of petrol sent to the pistons and make maximum power out of it... hence they are more fuel efficent and more powerful too...

    Find a JDM engine of good condition, less milage and which can be fixed with little or no modifications...
    Taxi drivers have been lately converting their cars to efi by fitting 660cc engines so its not a new thing to try.. its a trial and tested thing.

    U'd be able get an engine from peshawar or such markets where stolen/smuggeled/accidented car parts are available.

    Engine would be a cheap fix too.. but the swap totally depends on ur expertise about engines.. finding a good engine matters a lot.

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    @ALL
    i really appreciate what u people suggested, but
    i cudnt afford to sale my old mehran and buy a new one as i already curse myself for buying a mehran i had a limited budget which lead me to this idea of just converting to efi setup.
    market which i cud access easily is only karachi. engine currently in my mehran is very powerful as always driven on petrol and only by me, one handed, so swaping to 660cc may also not be gud decision. a friend of mien also advised me to convert point ignition system to cdi one but that only helps in gud start up time not fuel efficiency.
    has anyone or his known person have tried this type of conversion till yet?

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    Quote Originally Posted by syed_humza View Post
    @ALL
    i really appreciate what u people suggested, but
    i cudnt afford to sale my old mehran and buy a new one as i already curse myself for buying a mehran i had a limited budget which lead me to this idea of just converting to efi setup.
    market which i cud access easily is only karachi. engine currently in my mehran is very powerful as always driven on petrol and only by me, one handed, so swaping to 660cc may also not be gud decision. a friend of mien also advised me to convert point ignition system to cdi one but that only helps in gud start up time not fuel efficiency.
    has anyone or his known person have tried this type of conversion till yet?
    new mehran is not fuel efficient. its mileage in city is 14kmpl while carb mehran's mileage is 13kmpl. PS has only changed the head of 30 years old engine nothing else. your best bet is to sell this mehran n buy new one lease.
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    A real driver knows exactly what's in his car.

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    i usually use a motor bike for with in city ride, this mehran is only used for highway drive i-e from hyd to khi. n i have been getting near about 18-19kmpl avg on this road. now converting to efi, according to my calculation and estimates, should at least increase this current avg by 4-5kmpl which means somewhere near 23-24kmpl. at this economy level there would be no need of installing cng and spoil the engine.
    my questions are still unanswered
    is this really possible?
    has anyone tried this yet? results?

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    Default conversion of Mehran from Point to CDI

    Hello friend;

    I also intend to do so i.e. converting from carb to EFI, But what I already have done is converting from point to CDI. It surprizingly giving me good mileage, better power, better startup and when ever I unscrew my spark plugs, they are so clean which proves that the fuel burns well.

    Few days back my car felt sluggish, so, I presumed it is the air filter. I took out the air filter and ran the car without it and found out that the air filter was so dirty and jamming the car. I just cleaned it few days back. I concluded that due to so much dirt and pollution, the filter gets dirty sooner and makes the engine suck more and more fuel downgrading my engine's efficiency.

    Keeping in mind all the above I decided to convert it to EFI.

    I discussed it with one of the mechanic (Mr. Asif) who told me that it is doable and would take about 30,000 Rs. to do so.

    I am not finding the time to go to him and leave the car to his workshop for few days.

    Any way when I am done with it I will share the story here bro. Moreover, I have started some construction work in my house so I am not doing that sooner.

    Converting to CDI was so easy: I revolved the engine to zero point timing, took out the point assembly, took it to shoba Bazar (Peshawar) a mechanic who specializes in converting point to CDI put the CDI system in the assymbly. I took the assymbly and put it back according to the point's position before. The car started perfectly after switching the sparkplug wires to the right sequence and it took me about 25 min to figure out the correct sequence.

    Naeem
    Peshawar (Pakistan)

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