The crankshaft does the same thing each rotation, correct? It doesn't make the pistons go up and down differently on rotation 1 and rotation 2, right?
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Me: "I can't wait to redline my car!"
Mark: "Didn't you just break a rocker arm?"
Me: "Yeah, I don't think I've learned my lesson."
Mark: "You never will." -
Correct.
Take a look at these:
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- Sean Hayes -
every 360 rotation of the crank shaft each piston goes up and down..... but the cam shaft turns half as fastComment
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Phew! Just making sure! I was cleaning stuff and moving the crank around, and I miscounted the two rotations. I was just hoping I didn't mess things up!Me: "I can't wait to redline my car!"
Mark: "Didn't you just break a rocker arm?"
Me: "Yeah, I don't think I've learned my lesson."
Mark: "You never will."Comment
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The crank spins twice for each completion of the firing order, tha cam spins half as fast, so it spins once per firing order. This is the same for all 4 stroke engines, regardless of the number of cylinders.
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DOHC is set up the same way, the crank spins twice and each cam will spin once.Originally posted by e30evolution
Can I have some proof to back up your case? Or must you call people names to prove your point? I see no evidence. :roll:
Here's a nice link for you, read up.Comment
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Same for DOHC. The cams turn at half speed.Adam Fogg- '88 M3
Common sense- It's the new 'gifted'Comment
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