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Well, I might check the place out Miles, as long as they allow you to kiss in public? A lot of my female TIF students are so thrilled after a flight they kiss me. I was even kissed by a big tattooed male bikie once! (and I"m a bit homophobic) Your 360deg. theory is interesting Birdy. I assumed Darrel that if the Ign. timing was ok then the injector timing should be also. But I"m only a mug learning. :-Don"t they use a waste spark system? mine does, so you would have double the chance of getting your ignition timing right.
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Yep, I think you"re right Disco. I"m quite impressed with what you can do with this Microtech control panel as I learn more but obviously I haven"t learnt enough yet.
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Hey Max are you online
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I"ve always wondered if it was possible for the ej25 cam timing belt to jump a tooth. Rocking the engine and watching the tappets rock is not an accurate way to check valve timing. So I finally decided to remove the engine as I"ve been avoiding it as it"s a days work either way. There are no covers over the cam belt so I thought maybe a foreign object could enter that area and go around a pulley causing the belt to jump a tooth. Well, if I"m interpreting the Gregories book correct, it seems the crankshaft cam pulley has jumped a tooth and I"ve been chasing an electronic fault for 1.3yrs. when the fault is mechanical. (maybe the foreign object was a dreaded hornet nest) While the engine is out I intend to place silicon in all the thread holes not in use. (When I see an aircraft engine with all the spare thread holes filled with hornet nest I consider the owner a slack ****) It seems there was nothing wrong with the Maloney system. I am happy with the Micro-tech system as you can tinker with the settings for a good economy. (The maloney system will end up on an ej22) nothing wasted
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You knew that all the time Max and were just test all of us?Graeme.
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There is a God! -- Yeee-Haaar I fired her up without a radiator (couldn"t wait for the coolant system) and she ran like a dream. I take back any bad things I said about the "Maloney system" I always suspected that the timing belt jumped a tooth but all the "experts" said it"s unlikely. It was impossible to check accurately with the engine in place. Well I"m actually glad I"ve had all the drama as it"s taught me a lot and made me familiar with my survival equipment. (The gyro) Next test flight, Darwin to Tennant creek following the Stuart H/W
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Oh good.So Max you won"t be needing that fancy cro you"ve got- just send it down to uncle Chook ;D ;D ;D ;DGlad you found it.Regards...Chook.
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max why did it jump a tooth and how does that effect just no:4 and not the other cylinder beside it. it was originally just your no:4 cylinder being the problem you thought.
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If I remember correctly there was mention on forums etc that the ej 25s could jump a tooth and that Subaru had installed a curved plate that was almost touching the belt above the engine crank pulley to stop this happening.Aussie Paul.
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Obviously No. 4 becomes the most sensitive cyl. to valve timing. (Don"t ask me why) And Yes, the engine does not have the belt protection plate.
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Hey Max good to hear you got it sorted Did it jump the crank pulley or the cam pulleyit would have made more sense if it was the cam pulley it jumpedRegards Bish
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See, I told you it was timing .( maybe not 180 degrees, but 1 tooth seems to be as bad.)And why stop at TC.
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It was the crank pulley Bish. If she runs well on the test I could always track your direction Birdy. The experimental tail, ect. needs more time to be assessed. I shall pursue the timing belt shroud over crank pulley
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Max, something fishy there. If it was the crank pulley out a tooth then I assume you mean that it was out one tooth in comparison to the cam pulleys (when all the cam pulleys are on their correct marks) Don"t necessarily use the white lines on the belts as being correct. Always double check with the timing marks. With a belt in good nick it is impossible to get a perfect lineup and you will nearly always end up half a tooth out until the belt is fully bedded in and the tensioner has taken up. If the crank pulley was a tooth out, (enough to effect the way the engine runs) then at the very least it should affect at least one cylinder each side, not only on one side. If it was a cam pulley out then it can affect one side and quite possibly only one cylinder (more specifically if it was the cam with the cam angle sensor).Please don"t go flying over scrub or water until your sure the problem is sorted.Incidentally, I haven"t yet seen a crank pulley on an EJ25 without the tin guard. I"m not sure what the purpose of that guard actually is but it would not be strong enough to stop the belt from jumping a tooth, even if it was possible to do so (which I doubt) Maybe it"s more of a heat guard to keep crank heat away from the crank sensor.
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