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Thread: Oil recommendation for margalla + rust in radiator

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    Default Oil recommendation for margalla + rust in radiator

    Dear PW Experts,
    kindly recommend me the best oil for Margalla engine overhauled once. i used ZIC high flow but my mechanic recommended to use Havolin or guard oils.
    your expert opinions required.

    2nd issue is that the radiator is full of rust every time i open it, though it was serviced and even drained many time roughly 1ce a month. plz guide me what can be done to get rid of this rust

    regards,


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    yes one more thing..... i mostly drive it on CNG and the car has done around 80,000kms

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    Quote Originally Posted by asifhashmi View Post
    yes one more thing..... i mostly drive it on CNG and the car has done around 80,000kms

    For Mineral oils/ semi synthtic top of the line brands are
    Mobil 1000 and 2000, 10w40
    Castrol Magnetic 15w40 & 10w40
    Liquimoly 10w40
    Petromin ultra 7 20w50
    Caltex Havoline 20w50 and 10w30

    For the radiator it would be better to replace it with a genuine one bought from an authenticated shop.
    top documentaries " Tears of Gaza"

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    Quote Originally Posted by asifhashmi View Post
    2nd issue is that the radiator is full of rust every time i open it, though it was serviced and even drained many time roughly 1ce a month. plz guide me what can be done to get rid of this rust
    The mistake made here is common. People put tap water in their tadiators forgetting that this alone can cause rust build up. You MUST put a high quality coolant in the radiator which will inhibit rust formation (all year round). From the sounds of it you are past that stage and will either have to have the radiator rebuilt or replaced.
    1. A car is only worth what someone is willing to pay for it, 2. Resale wont save your life in an accident, 3. Genius has limits, stupidity has none, 4. Never argue with an idiot, they will bring you down to their level & beat you with experience, 5. Growing old beats the alternative -- dying young! 6. انّا للہ و انّا الیہ راجعون

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    ^even that green coolant ate my margalla's original radiator. now it has a bigger and better japanese radiator (denso made with a bigger fan) and it has caltex coolant. expensive yes, but it works great and stops rusting.

    onlyfaith's reply tells the rest

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    while going other relevant topics i read ppl recommending to flush it with LIQUI MOLY n use a good quality collant..... curious to know the experts views in my case

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    while selecting zic i opted it for its viscosity 20W50 n its popularity amoungst pak wheelers... but than y do these mechanics discourage its usage

    what if i use havolin or other lubricants of same viscosity why thos will be better than this.

    most imp point my can has reduced some oil just a little bit of it after 2500kms is it b'coz of this oil or some problem with my engine

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    I had a margalla for 7 years, no overhaulind needed during this time. Used zic 20w-50 in summers and zic 10w-40 in winters with change interval of 3000 km.

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    @7606 thanks alot but i am in a different situation.... mine is an old lady now 94 model, engine overhauled what do u suggest for me

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    Quote Originally Posted by asifhashmi View Post
    while selecting zic i opted it for its viscosity 20W50 n its popularity amoungst pak wheelers... but than y do these mechanics discourage its usage

    what if i use havolin or other lubricants of same viscosity why thos will be better than this.

    most imp point my can has reduced some oil just a little bit of it after 2500kms is it b'coz of this oil or some problem with my engine
    if the engine is not overhauled its rings are probably weak now, you can mix some stp oil additive with whatever engine oil you use (my margalla prefers caltex 20wsomething, but buy it from a well known store as many fake caltex products are in the market). this will stop it from eating oil and the engine will be good for more than 1 lac kilometers provided that you give it stp oil with engine oil at every oil change.

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    this is what stp oil looks like

    STP Fuel & Oil Additives - Choose The Best Fuel Additive For Your Car

    it is also made by a company called u.s.a
    that one comes in a yellow tin.

    go to any big oil shop and ask them for stp oil , if they have either of these buy it and try it. both are equally effective

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    @Margallar thanks bro u have been a gr8 help..... what i am going to do is that ill pour a blue oil treatment bottle in it 1st for the remain 2500kms than will switch over to havolin 20w50 with the same bottle every time ......

    thanks guys and hats off to your kind help!

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    use petroman ultra engine oil.

    and for the radioter issue, yes i am also agreed with others to replace new radioter using good quality coolent having rust prof agent.

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    If you have rust deposits in your radiator then there is a 95% chance that the metal coolant pipes to the engine are corroded and are just waiting to leak. They also cause irregular temperature rise as coolant is not circulated at the required rate.

    clean out the entire system with a flushing agent (usually citric acid) and inspect and replace the coolant pipes and other parts as necessary. Fill with correct concentration of coolant and distilled water to ensure proper cooling system working.

    You should never leave a radiator that has been in service dry for more than 10 minutes - e.g. removal of radiator due to some repair. If you have to remove it - put a bung on the lower pipe flange and keep it full of water. (This was standard practice in my shop - the rubber stopper bungs were about Rs 5 or Rs 10/piece)

    If you are installing a used radiator reverse powerflush it with water first then some very dilute conc of radiator flush filled for about 5 minutes and then flushed out with a garden water pipe. You will see some really nasty stuff come out of it.

    for oils - your engine is specd for oils grades that are considered obsolete today, you can use them or something higher grade - as long as your engine temperature is under control and not too cold or too hot, using a good filter and a good working PCV system and good tune your engine would not raise issues of oil problems
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    btw xulfiqar what grade oil would you recommend for a margalla if the engine is newly overhauled?

    plus im having trouble finding its pcv

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    the PCV being suzuki is on the inlet manifold, and for oil - use any oil that is recommended for your engine. Mineral oil is best for this purpose.

    Use a quality oil filter and prefill it everytime.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Oil changed to Guard multigrade 20W50... good results.
    Radiator issue is also resolved but flushing it with citric acid is yet to be done

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