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1987 toyota 22r smoking

Old 01-26-2019, 07:16 AM
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1987 toyota 22r smoking

Got a 87 i rebuilt a few years ago, gave it the engnbldr head and one of their cams. Havent driven it much, its maybe got 5k miles on it. Anyways on a cold start it blows excessive blue smoke.. did my rings let go? My valve seals go bad? Jus wondering whats my issue

ive got a video here
http://imgur.com/gallery/e24c1GZ

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Old 01-26-2019, 08:02 AM
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Wow, thats a mess, dude. Does it go away when the engine is up to temp?
id pull the plugs and try to see if one looks much worse than others but a lot of oil is getting into a cylinder somehow.
could be bad valve seals but theres no good way to change them without pulling the head.
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Old 01-26-2019, 08:05 AM
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I mean that was a cold start after sitting prolly 2 months. It does seem to straighten up once its warm. Im not against pulling a head, would just like to fix or identify my issue first.
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Old 01-26-2019, 09:17 AM
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"Blue smoke on startup after sitting" is the "classic" sign of a leaky valve seal. Oil is in the valve gallery when running, and overnight it drains into a cylinder through the seal. It's burned up when started, but the leak is so limited that you consume very little oil.

To a limited extent, you can distinguish a ring issue from a valve seal with a compression test. Compression is measured with the valves closed, so the valve seals don't contribute to compression.

It would be worth pulling plugs to check for severe oiling, but other than that your options are more limited. You can't practically replace the valve seals without removing the head, which you might not want to bother with for a low-use vehicle.
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Old 01-26-2019, 10:01 AM
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I can try to get a compression test sometime this week. Personally i think it uses more oil than it should but i always blamed it on the smoke. Im not against pulling the head, im debating getting this thing back together and running it regular, miss my 80s yota
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