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BigRon

Timing Belt - Valves Vs Pistons

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I believe all Lexus engines with VVT-i are interference engines.

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I'll bite. What is a non interferance engine?

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A non interference engine has tolerances such that a loss of engine timing won't cause the pistons to ram into the valves. An interference engine is the opposite...

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Thank you for your answer. You always do a great job.

Paul

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