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Thread: What does a camshaft do?

  1. #1
    Senior Member
    Join Date
    Mar 2010
    Posts
    883
    Just what I said. Lets get some "opinions" then we will have a discussion on cams and we should all be able to learn a few things.
    Chris

  2. #2
    Coleitis22
    Just what I said. Lets get some "opinions" then we will have a discussion on cams and we should all be able to learn a few things.
    Chris
    Holeeeee Crap, By the time this thread ends my clothes will be out of style and I will be an inpatient at the Havasu Floating Convalescent Hilton. :sleeping: :sleeping: :sleeping:

  3. #3
    Second "PLACE"
    That's easy. The camshaft "rotates" at 1/2 the rotation of the crankshaft.

  4. #4
    cyclone
    I'm sure i'll regret posting here but I'll bite. How simple an explantion do you want?
    The camshaft actuates the lifters in a constant and predetermined time and range of motion in relation to the crankshaft. The rear of the camshaft also contains a gear which drives the distributor and consequently, the timing of the spark to each cylinder.

  5. #5
    Second "PLACE"
    ......unless of course this engine is an "overhead cam" type design

  6. #6
    cyclone
    thought we were talking about your garden variety big block. my mistake.

  7. #7
    Blown 472
    A cam controls the amount of gasses that enter and exit the cylinder and at what relationship to the piston.

  8. #8
    Senior Member
    Join Date
    Mar 2010
    Posts
    883
    This is a good start. I'm just tired of so much "bad advise" flowing around the internet and I think it would be good for discussion on some good basic why's and how's.
    Chris
    We'll start tomorrow, I need to finish a quote on some stuff for a company.

  9. #9
    lucky
    Open and closes valves at predeterminded intervals to best suite a desired power band ! boy ain't that generic !
    a cam could also be a levered device to hold down a object .
    a cammy is a hot chicka that owns edelbrock
    a can - is what holds the beverage i will be drinking from this evening
    :messedup: :coffeycup

  10. #10
    Kachina26
    Open and closes valves
    Cams don't close valves, valve springs close valves. Cams determine when the valve can close, but it don't close it
    Ok, I got my digs in! I'm out

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