370z engine blown

Originally Posted by Red__Zed You know the exhaust ports stay open during the intake stroke, right? This is not a terribly uncommon occurrence (when cats go bad, that is) exhaust

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370z engine blown

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05-25-2012, 11:13 PM

#25 (permalink)

gsxr750

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Quote:

Originally Posted by Red__Zed

You know the exhaust ports stay open during the intake stroke, right? This is not a terribly uncommon occurrence (when cats go bad, that is)

exhaust valves are only open after the mixture has been ignited and the gases expelled out the exhaust after combustion, no air is ever sucked into the exhaust ports.

Vacuum is only created in the intake port , not the exhaust port

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