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#21 | |
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#22 | |
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Also you may have checked the initial ones, but the FIT valve has 4 o-rings on it alone. 2 on the face that mounts to the plenum, 1 on the top, and 1 on the bottom under the covers. Same goes for the other valve on the side of the plenum. One of my Accords when I first got it burned oil all the time, through the valve stem seals. It still got better mileage then you are now. There is something else going on, you just need to start doing a few things, like reading your plugs. Check the work that other people have done to your car. It's not their car, so most of the time they are not going to care enough to do the best job possible. While yourself on the other hand has something at stake for doing it right. Money out of your pocket that goes into gasoline, it's in your best interest to have the car running top notch, for the engine, driver, and peace of mind. Also a smell of rotten eggs is clearly a sign that something is wrong, no matter how much your unwilling to admit it. Your car is clearly telling you it needs some tlc... Just some food for thought.
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MRT: 1993 Honda Accord SE Coupe (Lola) Last edited by Rilas; 02-01-2018 at 01:57 PM. |
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#23 | |
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#24 |
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How was your mileage prior to your valve adjustment being done?
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MRT: 1993 Honda Accord SE Coupe (Lola) |
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#25 |
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#26 |
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I feel that with a bit of determination you could solve this problem without replacing the head. Or at least do enough diagnosing to ensure that, the head is for sure the culprit. But hey it's your money and your time, do as you please.
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MRT: 1993 Honda Accord SE Coupe (Lola) |
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#27 |
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I am pretty sure the valve seals are gone. Has all the symptoms and it has been on car for 26 years now.The head itself might be fine. I might just have a valve job done as that is alot cheaper i bet. It's about 700 dollars to replace head including the parts. Is there a good reason to machine head and do all that stuff in addition to replacing valves?
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#28 |
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Not sure why you created a whole new head for this matter. When you can just continue the discussion in here.
Valves don’t just go bad, unless they are burnt or bent. So replacing them all just seems pointless. If you are that worried about it, I would pull the head, buy supertech valve stem seals and take it to a machine shop and have them do the works on the head...I.e. ( 3 angle valve job, pressure test, valve stem replacement, resurface). This should cost no more then $350 including the valve stem seals.
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~Nick~ FSAE (F Series Accord Enthusiasts) ..."A dying breed thats taking it to the next level" Lucky #13 MR Thread:http://www.cb7tuner.com/vbb/showthre...ight=Grumpys93 ![]() |
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#29 | |
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#30 |
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effn poor air filter caused all this crappy city mpg i believe. I just put a high quality K & N OEM Fitted air filter and my city mpg seem to have shot up dramatically. I will update in a week or two when i am 100 percent sure. Right now i am like at 98 percent sure.
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#31 |
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My new air filter seemed to help some. About 1-2 more mpg. I had an exhaust manifold to downpipe leak. I fixed that last week and waiting to see results. From past experience when resetting the ecu it takes a hundred miles to adjust some trim values. I only have a couple more things on list that could be possible. My new o2 sensor doesn't work as it should. I have a partial blockage at intake manifold. Clogged injectors which is doubtful. I still have a vacuum leak somewhere that i cant seem to find. This is doubtful too.. I think it could be a combination of things and ill know when i get around to taking manifold off and cleaning it thoroughly. Got to get my ac system working first.
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