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Thread: Honda Unicorn Cylinder Head Porting

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    Addicted shubhanker's Avatar
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    Default Honda Unicorn Cylinder Head Porting

    Hey guys, my uni has clocked 33k kms and is 2006 model..have got a few things installed already like the k&n, freeflow etc..haven't touched the engine as yet on modifications only changed the camshaft to that of cbz-extreme..i was thinking of cylinder head porting for more performance...

    I wanted your reviews on the thought..Asked krp about it and they said would do it for 1000 bucks and 2 days..i wanted to know if there is a specialist in karol bagh, delhi for the same..i need to be pretty sure if the job was worth it..

    thanks
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    Help Topic Approved
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    thanks ken da for the approval..no replies as yet??
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    what will KRP do exactly??? please elaborate.


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    the porting job..when i asked them if they could port the bike, they replied in affirmative and quoted the money and time..now since porting takes some expertise and specific tools, i thought they would get it done from karol bagh..so i am in search of the place that carries out the machining jobs of pistons and cylinder heads in karol bagh..
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    u cant find any1 better than joel to do porting for 4strokes...recently i got my uni pimped by him..u vl be surprised by the way it makes power...insane..try contacting him if u want proper performance...

    pradeep
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    thanks pradeep da..but the problem is joel is in bangalore n myself in delhi...so i needed somebody in delhi only..
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    I'm wondering what is "head porting"? Is it same as enlarging the intake & exhaust ports & changing the valves? Can someone throw some light here pls?
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    yup but not exactly enlarging the ports but making them smoother..it's even not necessary to change the valves
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    For four strokes, head porting involves the enlarging of port taper and most often the smoothening of rough edges in and around the ports that obstruct flow. Idea is to get maximum flow from a given port and sometimes, ports need to be made smaller to improve the rate of flow. A classic example is the LB500s port which is way too large for a good flow number Valve jobs are different. It may begin with a three/five angle job to enlarging the valves.

    Shubanker,

    It is better to get a good job on the ports done even if it means shipping your head to Bangalore. Most people try meddling with the stock head and end up messing it beyond repair. A friend of mine is in trouble after his LB500s head was fiddled around with by a "top" bullet mech in Bombay. Now, he is waiting for a new head from RE which is proving to be difficult to get.

    Cheers,

    Jay
    Sudardhan1990 likes this.

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