Interference engine a friend emailed me a question: Is the engine in a 1998 Honda Civic an interference engine? What does this mean? I don't pretend to know everything but shouldn't i know this?:eek: |
Originally Posted by fivespeed a friend emailed me a question: Is the engine in a 1998 Honda Civic an interference engine? What does this mean? I don't pretend to know everything but shouldn't i know this?:eek: |
yep i do know everything as a matter of fact. ****ing smartass. Anyway ive never heard of one. |
Rather than use a steel timing chain, interference engines may use a rubber timing belt with its limited life, whereas steel timing belts typically last 150,000 to 200,000 miles or more. Valves open further in an interference engine and project further into the combustion chamber than in a 'free-running' engine. This allows outside air at atmospheric pressure flow faster into the combustion chamber through the larger valve opening. The engine can therefore inhale more air, be a little smaller, and still create as much power while reducing its manufactured cost and also guaranteeing future repair business for its dealer. |
Originally Posted by Tricky Rather than use a steel timing chain, interference engines may use a rubber timing belt with its limited life, whereas steel timing belts typically last 150,000 to 200,000 miles or more. Valves open further in an interference engine and project further into the combustion chamber than in a 'free-running' engine. This allows outside air at atmospheric pressure flow faster into the combustion chamber through the larger valve opening. The engine can therefore inhale more air, be a little smaller, and still create as much power while reducing its manufactured cost and also guaranteeing future repair business for its dealer. |
From what i gather its called interference because its not "free running" as that description states. If its not free running, then its being interfered with. |
Originally Posted by CG99 From what i gather its called interference because its not "free running" as that description states. If its not free running, then its being interfered with. |
Yes, I dont get how the material of the timing belt/chain can affect the running of the valves. Is there a mechanic in the house?? |
Difference between "interference" and "non-interference" "Interference" means that if the timing belt/ chain breaks, the valves will collide with the piston heads, usually causing a pretty big mess in the top end of an engine; usually the death of most honda engines that this happens to. Non-interference (usually in bigger v6/v8 engines) means that there is enough clearance between the valves and cylinder heads and if the belt/ chain breaks, the engine simply dies because of lack of exhaust/ air intake regulation. |
Re: Interference engine Hi Everyone So yesterday I was climbing a hill in my 98 civic and the engine died. Today friend of mine who is a mechanic saw the car and said the timing belt broke. What should I do now? What should I expect? thanks guys, happy new years If there is damage to the valves and cylinder heads, how can I go about fixing this? |
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