by Mercho » Sun Sep 16, 2007 10:54 am
clearly it's the engine. just what in the engine may need more discussion. based on the condition of the outside and the interior, you could have to choose on the correct course of action. Putting in a lower mileage salvaged engine could most likely get you another 100,000 to 200,000 miles so it's a cheap alternative.
Let's see if we can narrow down the possibilities. If the engine starts easily like most Hondas, it means you still have good compression which could tend to rule out the piston rings. Leaking valves tend to decrease compression also and make for harder starts and poor performance. but, there are valve seals attached to each valve that keep oil in the cylinder head from to get down into the combustion chambers when the intake valves are open. alike seals are on the exhaust valves but leakage there ends up in the exhaust manifold where it's still hot enough to burn and produce smoke but shows little influence on performance.
Fixing piston rings is just an engine overhaul. If your car is approaching 300,000 like my '90 Prelude, fixing just the valve seals is cost prohibitory unless you may be able to do it yourself when it's probably something else is on it is way out. Honda's do not last forever without help.
Valve seals may be replaced without a big overhaul. have a mechanic do a compression check of each cylinder that will tell you lots. to get to the valve stems in a Honda with a four cylinder engine isn't most of a problem either. they'll supply a quote for replacing valve stem seals.
Get the Helm service manual for your Hondas. it is worth it is weight in gold. helminc.com