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The heads were chemically cleaned and the valves and valveseats were reground. They reassembled them and pressure tested them. I dont know how much money it will cost if you have someplace do the rest of the work for you, but I would imagine that you are looking at the following: Pull engine: Remove parts in the way and pull heads. Head gaskets (~$90 each) Upper/lower plenum gaskets (~$30) Headwork (defined above) Reassembly and installation of motor. It sounds like a lot of work, and it is. Probably will bill for at least 16 hours on nissan books. $$$$ : get new valves? I am trying to consider the costs. Do I have to get new valves? I believe most of all the compression is getting lost through the valves. I was told it misfires because of the compression problem. Does it misfire because it is the rings or valves?
: Thanks guys
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