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Thread: City 2005: Engine changed to L15A2. It knocks at high speed. Should I return it?

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    Default City 2005: Engine changed to L15A2. It knocks at high speed. Should I return it?

    Dear All

    I recently (10 days ago) swapped the engine on my Honda City 2005. Could not find the L12A2 so put in an L15A2, which I guess came from Malaysia. Got test warranty for 1 month only.
    Just after installing it, test drove for a day and then took it to Swat tour.
    The engine work great. I love the extra power. Reaching 160 kph was very easy and then I saw a speed camera.
    Used regular fuel from PSO.
    There is only one thing that makes me raise my eyebrow. When I cruise at 120-130 kph on motorway (and get in the high speed lane) I can sense the engine knocking. Especially when accelerating. This knocking is not distinguishable at slow speeds.

    So my question is, does this behaviour classify as so bad that I must return the engine or there is some solution to it? For example, tuning, use of hi-octane (I believe Malaysian L15A2 are built for petrol of 91 Octane number and regular does not fulfill that requirement), etc?

    Please advise.

    @Xulfiqar

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    Default

    i think u fill 50% hi octane then check it again

    Sent from my SM-G530H using PW Forums mobile app
    ALONE
    BUT HAPPY

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    Default

    Use hi octane fuel

    Pakistan zindabad

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