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| | | blue smoke engine #782444 September 18th 2021 8:46 pm | Joined: Jan 2021 Posts: 37 Likes: 1 newbie | OP newbie Joined: Jan 2021 Posts: 37 Likes: 1 | 1995 Chevy g20 5.7
Blue smoke upon start up and after sitting at lights. Replaced the valve seals and the problem actually got a bit worse...
One of my sparks showed signs of antifreeze and major build up....
Stressed.. | | | Re: blue smoke engine | Joined: Aug 2002 Posts: 18,535 Likes: 135 Supreme Master | Supreme Master Joined: Aug 2002 Posts: 18,535 Likes: 135 | Bummer man. That definitely does not sound good. Let us know how it goes. Arianrhod:2003 Chevy Astro Black Magic: 1985 Dodge B-250 Serenity:1985 Chevy G-20 The Outcast:1983 Ford club wagon Luna 1974 VW bay window transporter Freedom:1990 Ford E-150(parts van) Outcast Vanners van club Support your local 2% | | | Re: blue smoke engine | Joined: Feb 2002 Posts: 32,696 Likes: 172 Old Timer | Old Timer Joined: Feb 2002 Posts: 32,696 Likes: 172 |
Jim & Lucy Newkirk 1965 Chevy Bad Influence 1981 Chevy-the Love Shack 2012 Chevy Van , 2020 chevy van 2020 Chevy van Sapphire Sweet. Club Vannerz. vanninvanner@comcast.net | | | Re: blue smoke engine | Joined: Jul 2014 Posts: 4,805 Likes: 123 Uncle Rust N Dents | Uncle Rust N Dents Joined: Jul 2014 Posts: 4,805 Likes: 123 | You're burning oil AND antifreeze?
Oh, man. Sorry to hear that. | | | Re: blue smoke engine | Joined: Jan 2001 Posts: 2,964 Likes: 63 veteran | veteran Joined: Jan 2001 Posts: 2,964 Likes: 63 | | | | Re: blue smoke engine | Joined: Sep 2005 Posts: 9,855 Likes: 234 carpal tunnel | carpal tunnel Joined: Sep 2005 Posts: 9,855 Likes: 234 | Getting any antifreeze in the oil?
Usually burning coolant will clean off any build up or carbon. It works like steam cleaning the plugs and chamber. Get someone the pull the plugs and pressurize the cooling system. After a little while a spin of the engine will spit coolant out any leaky cylinder.
Last edited by CatFish; September 20th 2021 10:52 pm.
| | | Re: blue smoke engine | Joined: Jan 2021 Posts: 37 Likes: 1 newbie | OP newbie Joined: Jan 2021 Posts: 37 Likes: 1 | Well the spark plug that showed the sign of wear had some white corrosion on it, along with build up...
Maybe the intake gasket... But there is no major coolant leak, I haven't had to add coolant in ages, but oil, I'm burning ALOT
Seems like the only other thing that could burn this much oil is the piston rings? | | | Re: blue smoke engine | Joined: Feb 2016 Posts: 1,266 Likes: 43 old hand | old hand Joined: Feb 2016 Posts: 1,266 Likes: 43 | I had a dodge 360 with worn rings and it went through a decent amount of oil.
1987 B250 - Painkiller
| | | Re: blue smoke engine | Joined: Sep 2005 Posts: 9,855 Likes: 234 carpal tunnel | carpal tunnel Joined: Sep 2005 Posts: 9,855 Likes: 234 | How much oil you burning? A failed PCV system can cause oil burning but usually not that much and usually it'll just smoke a little and run like crap. Major oil smoke would be worn rings. Have you thought about a cylinder leakage test? That'd tell the tale.
Last edited by CatFish; September 21st 2021 1:23 pm.
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