 Smoking is bad, for the car behind me!, 1.8 top end |
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| jsaum |
 Mar 15 2017, 08:18 AM
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#1
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Senior Member  Group: Members Posts: 530 Joined: 12-June 07 From: Everett, WA Member No.: 7,809 Region Association: None  |
I have a 75 1.8 engine in my car that is starting to smoke. It's worse in warmer temperatures and blows a puff of smoke after sitting at stop lights. Stop and go traffic seems to aggravate it as well. What do you guys think I'm looking at to fix the problem?I think the engine has about 85-K miles on it. I'm hoping all I have to do is a quick refresh on the heads and new rings.
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| 76-914 |
Mar 15 2017, 08:56 AM
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Repeat Offender & Resident Subaru Antagonist Group: Members Posts: 13,504 Joined: 23-January 09 From: Temecula, CA Member No.: 9,964 Region Association: Southern California 
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You need to do a leak down test to determine if it's the top or lower end. (IMG:style_emoticons/default/beerchug.gif)
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| Dave_Darling |
Mar 15 2017, 09:49 AM
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914 Idiot Group: Members Posts: 14,990 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California
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The "bottom end" is everything inside the crankcase. Which a leak-down doesn't check and which doesn't contribute to smoke in the exhaust.
Re-ringing and doing the heads (especially replacing the valve guides) should help with the smoke. It might be prudent to crack open the bottom end and re-do that as long as you have it all apart anyway... --DD |
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