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how to convert a 4 valve cylinder engine to a 6 valve cylinder engine

Discussion in 'How to' started by shaggy, Oct 3, 2015.

This thread is being watched by 2 users.
  1. shaggy

    shaggy Member

    Oct 3, 2015
    As a student of automobile engineering..m currently working on a project to build a miniature version of a car..soo..the car which we are gonna make is having a 6 valve cylinder engine..
    We are looking for ways to convert a 4 valve cylinder engine to a 6 valve cylinder engine..
    Any ideas any1....??
  2. Flexin

    Flexin Admin Staff Member Founding Member Top Event

    Apr 25, 2012
    Truck Driver
    Nova Scotia, Canada
    You want to convert a 4 valve per cylinder engine to a 6 valve per cylinder? One issue that comes to mind is available space. What engine are you building a model of? You would have to squeeze in two more valves into a space that is full with 4 valves. So you would need smaller valves, and/or a larger cylinder. But if your converting an existing engine then you would be stuck with a set piston and bore size.

    That sounds like a tough challenge. One other thing that comes to mind is that you need to see if you can fit 6 in that space and move more volume then the 4 did. Having 6 valves the size of the 4 that they are replacing would move more but they wouldn't fit.

    So that is where I would start. I would start with a circle on a piece of paper. Then find out what size you would have to make a valve to fit 6 in that space. Then calculate the volume of air they should move compared to the 4 they are replacing. If it doesn't more more, I don't see the point of doing it.

    That is just what comes to mind an hours after waking up. :roflmao:

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