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Old 02-16-2006, 11:06 PM   #16
ChrisV
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Quote:
Originally Posted by AutoPro
i owned more cars than you and i never owned a girly car like that do you own a neon to

Can you use complete sentences? Do you know what punctuation and capitalization are?

Do you even know what kind of a car you're looking at in my sig?

1) why would a collectable traditional sports car be a girly car?

2) why is it that a certified mechanic like yourself didn't know what an interference engine is, an

3) why is it that when proven wrong, you feel like attacking other people's cars? All it does is prove that you're a f*cking 12 year old retard on daddy's computer.

Prepare to be banned, little kid.

BTW, did you see the thread a couple threads below this one about my nearly 400 hp V8 powered RX7 race car I built? I woudn't trust you to know how to put air in the tires of my car, much less let you try and build something like it.
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Old 02-16-2006, 11:08 PM   #17
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Quote:
Originally Posted by ChrisV
Actually, Wally, he's right. He's not talking about them contacting during normal operation when the valves move independantly of the pistons. He's saying that if, for example a cam drive breaks, and the valves are HELD fully open, the piston will hit them when the piston tries to reach TDC. In a non-interference engine, the piston can rotate through TDC with the valves fuly open and they will not contact them.

AutoPro, how long did you say you worked on cars, again? This is a basic question that an ASE certified mechanic shouldn't get wrong.

At what point does the belt break and the valves are extended enough to be hit? I know what you're saying, but think about the valve events.
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Old 02-16-2006, 11:12 PM   #18
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Quote:
Originally Posted by Wally
At what point does the belt break and the valves are extended enough to be hit? I know what you're saying, but think about the valve events.

Any time the cam belt/chain breaks, at least ONE valve will have the cam in a postion to have it extended. Since the cam stops at that point and one or more valves are down, but the engine continues to rotate (especially if being driven by the road wheels back through the trans) without rotating the cam, a piston will come into contact with that/those valves in an interference engine. The more cylinders the engine has, the more likely more than one valve will be held in the path of a piston.
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Old 02-16-2006, 11:20 PM   #19
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Yes the exhaust and intake valves are only simultaneously open during overlap, so I was trying encourage ChrisK to think about how only the exhaust or the inlet valve(s) on each pot will be affected. It's a common misnoamer that both will be at interference at any one time.
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Old 02-16-2006, 11:26 PM   #20
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Autopro, give it up. Calling a sports car a girly car is hardly doing you any good. I suppose a man's car has to be 8 cylinders of 1950's engineering?
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Old 02-16-2006, 11:40 PM   #21
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Quote:
Originally Posted by AutoPro
i owned more cars than you and i never owned a girly car like that do you own a neon to
Just goes to show you are the kind of person that destroys the image of todays youth.
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Old 02-16-2006, 11:44 PM   #22
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Quote:
Originally Posted by Wally
Yes the exhaust and intake valves are only simultaneously open during overlap, so I was trying encourage ChrisK to think about how only the exhaust or the inlet valve(s) on each pot will be affected. It's a common misnoamer that both will be at interference at any one time.

Yes, well, there is still the possibility that one or more of both are open at the same time, even if they are for different cylinders. So we just say "the pistons" can come into contact with "the valves" if a cam belt/chain breaks in an interference engine. In a non interference engine, no piston will hit any valve(s), regardless of how far down that/those valve(s) is/are.

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Old 02-17-2006, 02:04 AM   #23
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Quote:
Originally Posted by AutoPro
i owned more cars than you and i never owned a girly car like that do you own a neon to

ok um basically all your post were pretty stupid, but I chose this one. First of all can you learn how to read and check what DATE THIS WAS POSTED AT. Secondly you might want to change your sig because obviously you arn't the guy people want to go to if they need a repair, I mean come on your first post and your already wrong about it good job . Thirdly well you make attacks toward ChrisV and not his argument meaning you don't know the answer because he proved you wrong and had nothing better to say except the stupid blabble that came out your mouth. On another note we just learned that in philosophy
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Old 02-17-2006, 03:42 AM   #24
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Heres a nice picture to help some of the people with less experience:

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Old 02-17-2006, 08:14 PM   #25
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Quote:
Originally Posted by Mathew
Heres a nice picture to help some of the people with less experience:

Ouch
Quick question is that the valve that is hitting the piston orr....?
(sorry kinda need a refresher course)
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Old 02-17-2006, 08:16 PM   #26
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Quote:
Originally Posted by 99integra
Ouch
Quick question is that the valve that is hitting the piston orr....?
(sorry kinda need a refresher course)
Or Vice versa, yes
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Old 02-17-2006, 09:38 PM   #27
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Quote:
Originally Posted by AutoPro
it means how tite the pistons fit inside it

Where's that "dumbest thing you've ever heard a person say" thread again...?
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