84cucv1ton
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just thinking about it. im pretty sure its just for emissions. do you really need it? thanks
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can you get ride of the CDR
- Thread starter 84cucv1ton
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Why would you want to remove it?
It helps keep your oil clean and the atmosphere.
You will most likely burn oil, if you were to remove it.
m38inmaine , sells them nos.
It helps keep your oil clean and the atmosphere.
You will most likely burn oil, if you were to remove it.
m38inmaine , sells them nos.
84cucv1ton
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did now about the atmosphere. how does it keep the oil clean? thanks
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It regulates a positive crankcase pressure, that helps keeps combustion blow-by from contaminating your oil. If you didn't have it or it is bad, you will burn about 1qt of oil/1000 miles or more. Your engine needs it, it was designed for more than just "emissions".
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AJMBLAZER
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Yes. However it doesn't do anything good. This isn't really like an EGR on a gas vehicle in that respect.
A few of the guys on CK5 have had to get rid of theirs or rig up a bypass after they discovered they couldn't find a replacement part locally. After looking for EGR's myself I know why they did, it's a PITA to find them online and they aren't cheap. Luckily for us M38inMaine happened upon his supply.
A few of the guys on CK5 have had to get rid of theirs or rig up a bypass after they discovered they couldn't find a replacement part locally. After looking for EGR's myself I know why they did, it's a PITA to find them online and they aren't cheap. Luckily for us M38inMaine happened upon his supply.
Dabba
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dont you mind a slightly negative pressure? Thought its connected with the intake somehow too
AJMBLAZER
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Eh, buy several from m38inmain and you're probably good for life. I bought 5 and unless I start driving Big Ugly day in and day out for years I'm good forever.
Jake0147
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Yes, emissions is a part of it. It's a crankcase decompression regulation valve, which means is much more the equivilant of a PCV valve (positive crancase ventilation valve) in a gasoline engine (not the EGR mentioned earlier). It keeps the blowby out of the atmosphere for the EPA, and off of the underside of your truck for you, but also just like a PCV valve it slows or stops external oil leaks and protects your engine oil from excessive contamination from the blowby that is actively scavenged instead of passively vented.
You can ditch it, it has been done and your engine won't blow up or anything, but I'd keep it... Based on civvy (commercial) applications, if you ditch it the oil analysis lab is gonna flunk you for contaminated oil at roughly 2k miles. For reference, same truck, same job, same driver, but with the valve is good for 3500 or so. This was two trucks out of how many of those engines has GM built??? So take that last part only for the small sample that it is.