Catch can fast fill
Catch can fast fill
This is in reference to my Built & boosted 02 R/T . The oil catch can on the rear VC breather seems to fill up extremely quick. With 2-3 hard pulls it goes from E-F. I also have a catch can from the pcv valve to the vacuum port on the throttle body which rarely needs emptied. There is a check valve between the TB and the catch can. Is there anything I can do do cut down the amount of oil that's being spewed out?
Official "I'm Going to Drive My Neon till it Dies" Club #000094
why are you running 2 catch cans? most ppl just put a breather filter on the rear one and run the one from the pcv to the CC with a check valve in place...
Justin
[02 R/T sold][00 Highline sold][04 r/t scrapped][95 NYG Sport coupe][01 r/t DD]
http://www.cardomain.com/ride/2931823
[02 R/T sold][00 Highline sold][04 r/t scrapped][95 NYG Sport coupe][01 r/t DD]
http://www.cardomain.com/ride/2931823
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The only way that much oil is being forced out of the air make up is from excessive blow by, or the check valve from the PCV side is not working.
I could see a little at times when there is no vacuum at the PCV valve, but blowing out of there means too much positive pressure in the crankcase.
I get a little out of my air make up filter on my N/A engine, but then it has 200,000, and only 90 psi cranking pressure. Sort of expected. I'm sure if I put boost to that engine, it would probably blow oil out of the air make up too.
I could see a little at times when there is no vacuum at the PCV valve, but blowing out of there means too much positive pressure in the crankcase.
I get a little out of my air make up filter on my N/A engine, but then it has 200,000, and only 90 psi cranking pressure. Sort of expected. I'm sure if I put boost to that engine, it would probably blow oil out of the air make up too.
Bill
1999 neon coupe 2.4 swap
2021 Forester
2000 Neon MTX swap with '02 R/T PCMOlha Koba, a psychologist in Kyiv, said that “anger and hate in this situation is a normal reaction and important to validate.” But it is important to channel it into something useful, she said, such as making incendiary bombs out of empty bottles.
1999 neon coupe 2.4 swap
2021 Forester
hes not saying its necessarily blowby on the rings, the check valve could be bad or something, because like he said you're getting + pressure to the crankcase and its blowing it out the breather which isnt normal.
btw i'm assuming both your cc are sealed systems?
btw i'm assuming both your cc are sealed systems?
Justin
[02 R/T sold][00 Highline sold][04 r/t scrapped][95 NYG Sport coupe][01 r/t DD]
http://www.cardomain.com/ride/2931823
[02 R/T sold][00 Highline sold][04 r/t scrapped][95 NYG Sport coupe][01 r/t DD]
http://www.cardomain.com/ride/2931823
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Have you done a compression and leak down to verify that? If boost is blowing by the rings, it won't necessarily let oil into the combustion chamber.OhNoA2.0 wrote:I doubt I have much blow by. The engine has less that 5k on it and doesn't burn oil at all.
Just sayin. You have pressure getting in somewhere.
Bill
1999 neon coupe 2.4 swap
2021 Forester
2000 Neon MTX swap with '02 R/T PCMOlha Koba, a psychologist in Kyiv, said that “anger and hate in this situation is a normal reaction and important to validate.” But it is important to channel it into something useful, she said, such as making incendiary bombs out of empty bottles.
1999 neon coupe 2.4 swap
2021 Forester
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- Junior Admin
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- Joined: Thu May 03, 2007 12:14 pm
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9.8:1 minumum spec is 170, so I would say minimum would be 155 to 160. You should probably see something at least ~190+ for a low mileage well broken in neon engine. A 9.8:1 would be over 200 in tip top shape.
If the compression tests out good, you would have to wait for more of the boosted crowd to chime in...
If the compression tests out good, you would have to wait for more of the boosted crowd to chime in...
Bill
1999 neon coupe 2.4 swap
2021 Forester
2000 Neon MTX swap with '02 R/T PCMOlha Koba, a psychologist in Kyiv, said that “anger and hate in this situation is a normal reaction and important to validate.” But it is important to channel it into something useful, she said, such as making incendiary bombs out of empty bottles.
1999 neon coupe 2.4 swap
2021 Forester
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- Junior Admin
- Posts: 20306
- Joined: Thu May 03, 2007 12:14 pm
- Location: Ashland Ohio
If you have the air make up side to vacuum, that may do it, is it direct manifold vacuum?
It only needs to run to a filtered air source. Air should only go into that, not out.
A direct manifold vacuum would make sense for that happening, because it would have lower pressure than the PVC side. But if the check valve is sealing, it has to be pulling air from another source. Either what is getting by the rings, or a VC gasket leak.
Pulling vacuum on the crank case is going to make the rings push harder against the cylinder walls also. Might be a good thing for low tension rings in a race engine that gets torn down often, but not for something you want to last a while.
It only needs to run to a filtered air source. Air should only go into that, not out.
A direct manifold vacuum would make sense for that happening, because it would have lower pressure than the PVC side. But if the check valve is sealing, it has to be pulling air from another source. Either what is getting by the rings, or a VC gasket leak.
Pulling vacuum on the crank case is going to make the rings push harder against the cylinder walls also. Might be a good thing for low tension rings in a race engine that gets torn down often, but not for something you want to last a while.
Bill
1999 neon coupe 2.4 swap
2021 Forester
2000 Neon MTX swap with '02 R/T PCMOlha Koba, a psychologist in Kyiv, said that “anger and hate in this situation is a normal reaction and important to validate.” But it is important to channel it into something useful, she said, such as making incendiary bombs out of empty bottles.
1999 neon coupe 2.4 swap
2021 Forester
the only thing i can suggest is changing to the 1gn style VC and see if that helps.
Justin
[02 R/T sold][00 Highline sold][04 r/t scrapped][95 NYG Sport coupe][01 r/t DD]
http://www.cardomain.com/ride/2931823
[02 R/T sold][00 Highline sold][04 r/t scrapped][95 NYG Sport coupe][01 r/t DD]
http://www.cardomain.com/ride/2931823