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#81
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-I was planning on more frequent catch can changes this winter.(I will be keeping a close eye on it.) -my exhaust right now after the hydro lock is still burning out the old oil from exhaust so probally won`t pass emissions ,but in northern ont we don`t have any testing up here.(I`m not losing oil) -for pulling combustion gases past the rings ,I don`t mind taking my chances on it ,compared to a totally failed engine. at least now I can keep an eye on it and theres no way oil can get sucked up from the dipstick tube into the intake.
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2003 bmw x5 3.0i ,219000km build date 2003-08-18 |
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#82
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Quote:
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***The post above should be taken as the opinion of THE VEIN and should not be viewed as a representation of XOUTPOST.com***
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#83
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the BMW M54 is a different breed of engine though?
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2003 bmw x5 3.0i ,219000km build date 2003-08-18 |
#84
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I know the m54 is different but I thought all engines no matter what type need to have vacuum to pull out blow-by from the head and block
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***The post above should be taken as the opinion of THE VEIN and should not be viewed as a representation of XOUTPOST.com***
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#85
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I can`t answer the question as I`m not the designer of this engine, so I don`t know how they work 100%, I know from reading you can`t use a vented catch can as it causes piston ring flutter , and must use a non vented catch can.
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2003 bmw x5 3.0i ,219000km build date 2003-08-18 |
#86
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The block and head are interconnected through the timing chain/belt cavity on most engines. I don't want to say all, since I've not seen all of them. With that said, it is better to remove as close to the source as possible and multiple points have less restrictions.
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A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. -Douglas Adams 2003 X5 4.6is Estoril Blue 2005 Infiniti G35X 1972 Datsun 240Z 1991 Isuzu Impulse XS Sold 1972 Fiat 850 Spyder Donated 1972 Datsun 240Z Sold 1972 Datsun 510 Sold |
#87
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Ok I saw a video on YouTube and the guy took the line coming off by the vanos and ran that to a catch can and back to the intake manifold
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***The post above should be taken as the opinion of THE VEIN and should not be viewed as a representation of XOUTPOST.com***
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#88
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reason for me putting catch can on I live in canada where it gets very cold, and even putting a new ccv system in, there is still a possibility of a failure. just because of the hose thats connected to the oil dipstick. If I lived in arizona I wouldn`t even worry about it as much.
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2003 bmw x5 3.0i ,219000km build date 2003-08-18 |
#89
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I think ring flutter is when the head has more vacuum than the crankcase
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***The post above should be taken as the opinion of THE VEIN and should not be viewed as a representation of XOUTPOST.com***
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#90
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well were starting to get into the cold weather months and i`m starting to see some water and mayo in the catch can and oil fill cap. reason being is I only drive 15 min to and from work. I might try driving once a month for an hr and half to heat up the engine and get rid of the moisture these engines produce. this weekend coming I will empty my catch can as it is a 1/4 full of water and sludge. by the way I have 207000km on the engine, so about 2000km on the catch can and engine is purring away with no codes .
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2003 bmw x5 3.0i ,219000km build date 2003-08-18 |
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