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engine knocking noise 5th gen honda prelude (bent valves?)

im almost positive its bent valves but does anyone else have suggestions as to what it might be?


 


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Is this a bad tensioner sound?
I've had this car for about 7 months or so. I've had this sound secondary sound start coming from my engine. Anyone know what it might be?





Testing for Leaking/Bent Valves
--Please Read-- :) Some of the best advice I can offer you about fixing your car is to search for an online forum related to your car, or even for your specific engine. If you have a popular car or engine, this can be an amazing tool in diagnosing and fixing cars yourself! -------------------------------------------------------------- Directions 1. Get kerosene, gasoline, or break cleaner. 2. Tilt head on its side, with the ports of the valves you're testing pointing up and exposed. 3. Fill the intake or Exhaust ports with the liquid you chose, make sure to use enough liquid to cover the back of the valve head completely inside the port. 4. Look at the valve surface in the combustion chamber for leakage. (Let it sit for several minutes) 5. If there is a leak, you could have a bent valve or just a bad seal of the valve to the head. You might have to replace the valve, or just use some lapping compound to lap the valve/seat to resurface. 6. Repeat for the other side if you wish. 7. This is a great time to replace valve seals if you have noticed they are worn too much. 8. If you have any questions, please post them here and I'll try to answer them quickly. -------------------------------------------------------------- You just tilt the head on one side or the other depending whether you want to test the intake or Exhaust valves. I'm testing the intake valves in this video. I did this way because I didn't have the leakdown test equipment, but also because I wanted to replace my head gasket anyway. I wouldn't say this is the best way to test initially if you suspect leaking or bent valves because it requires you remove the head. Try just a regular leakdown test first. But if you're taking it off anyway it's pretty nifty and doesn't require the leakdown test tools. There are several methods to do this, this is just the one I chose in my situation.





Honda D16Z6 Assembly Animation
Honda D16Z6 modeled in Solid Works for ME 621 at Ohio State. This is the assembly video. For the run video, http://www.youtube.com/watch?v=9-IgO71xlk0





My jdm honda prelude type S- updated!
Mods: skunk2 pro stage2 cams, retainers and pulleys tein superstreet coilovers front and rear dc sports manifold, jap speed decat pipe, skunk2 Exhaust system auto-manual tensioner conversion, AEM v2 air intake,70mm throtle body+ matching ported intake manifold. Apexi afc neo- mapped on Dyno-245bhp Ap2 s2000 clocks fitted, DC5 integra steering wheel, Razo pedals, Tenzo R gear knob, billet aluminium locking nuts, Budyclub P1 racing alloys. Pager alarm system with remote start, reverse camera, Pioneer avic 900 dvd. HKS speed defender, and HKS fuel cut defender.





SEXY CANDY BLUE HONDA PRELUDE ( my friends car )
Just found this on my old computer, filmed in 2012 summer time... anyways tell me what you think :)





H22a4 Bent Exhaust Valves
"The Incident" Just to clear up a few misconceptions, this is the sound of cylinder #2 bent Exhaust and intake valves. Not rod bearings, rod knock, or anything else. I paid to have the head rebuilt with all new valves, seats, springs, and retainers. It sounds the way it does because a piece of a broken drill bit wedged itself in between my Exhaust valves and seat. It runs perfect now and I've put 13,000 miles on it since.





Honda Prelude 5th gen Build Up(Fox)
My pride and joy





1988 Honda Prelude 4WS
1988 Honda Prelude 4WS





HONDA PRELUDE 92 JDM!!...
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Honda Prelude Walk around *New*
Here is a newer walkaround of my 2000 Prelude. Getting some different shots at dusk. The car has HID projector headlights with angel eyes. Also has HIDs in the fog lights. 2.5 in Exhaust from the header all the back. The header is a hytech replica. Tinted out the bumper lights and part of the taillights.





1994 Honda Accord w/ Bent Valve
A video illustrating how your 94 Accord's engine will probably sound if it has a bent valve. Bent valves often happen in cars containing intereference engines, such as this particular model of Honda. They occur most often when the timing belt breaks during operation of the engine. This is an expensive repair, requiring the engine head to be dismanted. To avert this disaster, change your timing belt every 90k miles or sooner. This particular car had about 178k miles on it at the time of the video. There was a bent valve in cylinder 2, and the cylinder lost all compression.





JDM - Honda Prelude Tribute (by BSevenSaid)
Video by BSevenSaid Copyright © 2010 Check my Pages: http://www.facebook.com/BSevenSaid http://www.youtube.com/user/BSevenSaid http://www.bsevensaid.de





5th Gen honda prelude
My custom 5th generation lude





Which car is faster? Which Car is Faster?




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