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10-04-2020, 06:54 PM | #1 |
Junior Member
Join Date: Jan 2018
Posts: 20
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Smoking upon start up
Hi everyone need little help with 30 pick up was backfiring and popping so retired now starts no problem but smokes like crazy around exhaust.Changed exhaust manifold checked for stuck valves even changed tailpipe any suggestions thanks
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10-04-2020, 08:57 PM | #2 | |
Senior Member
Join Date: Mar 2017
Location: southern California
Posts: 725
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Re: Smoking upon start up
Quote:
Are you using fresh fuel? Before you do anything, you need to do a diagnostic evaluation on the engine. 1. Compression test all four cylinders. 2. Check the timing, plugs, cap, points, condenser, rotor. 3. Check the valve gaps.
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10-04-2020, 09:13 PM | #3 |
Senior Member
Join Date: Oct 2017
Location: Leicester, MA
Posts: 296
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Re: Smoking upon start up
Is it oil smoke or mouse nest burning?
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10-04-2020, 10:13 PM | #4 |
Senior Member
Join Date: Jun 2017
Location: Walla Walla, WA
Posts: 1,047
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Re: Smoking upon start up
Well, here's the deal. Manifold and or tail pipe won't cause or cure smoke. Smoke is caused in the engine and that is a big topic.
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10-04-2020, 10:29 PM | #5 |
Senior Member
Join Date: Aug 2011
Location: Eagle Bend, MN
Posts: 2,027
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Re: Smoking upon start up
Is it white smoke (coolant) black smoke (fuel) or blue smoke (oil)???
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10-05-2020, 12:15 AM | #6 |
Senior Member
Join Date: Sep 2019
Location: Fort Gratiot, Michigan
Posts: 2,296
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Re: Smoking upon start up
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10-05-2020, 02:26 PM | #7 |
Junior Member
Join Date: Jan 2018
Posts: 20
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Re: Smoking upon start up
Thanks everybody I will have to check color of that smoke and do compression test
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10-05-2020, 02:29 PM | #8 |
Senior Member
Join Date: May 2010
Location: Portland OR
Posts: 6,347
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Re: Smoking upon start up
Could be oil burning off or bad manifold gaskets.
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10-05-2020, 02:37 PM | #9 |
Senior Member
Join Date: Mar 2017
Location: Connecticut Shoreline
Posts: 1,829
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Re: Smoking upon start up
If there are no odd sounds coming from engine? I would not rush to start taking things apart.
New gas with some Marvel Mystery Oil. Change you motor oil if you don’t know when it was last done. Than drive it. If still smoking after a coupe hundred miles, we can start checking other things. I would use 20w-50 HD oil in the engine if you don’t know it’s history. Maybe also a blue bottle of STP. Please don’t become a parts replacer. Need to know what is wrong. Enjoy. |
10-05-2020, 03:52 PM | #10 |
Senior Member
Join Date: May 2010
Location: Oregon
Posts: 5,984
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Re: Smoking upon start up
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10-05-2020, 06:14 PM | #11 |
Junior Member
Join Date: Jan 2018
Posts: 20
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Re: Smoking upon start up
All New old stock parts,know about some of new ones a lot of them are not made correctly
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10-05-2020, 06:14 PM | #12 |
Junior Member
Join Date: Jan 2018
Posts: 20
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Re: Smoking upon start up
Thanks for all the information
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10-11-2020, 06:39 PM | #13 |
Junior Member
Join Date: Jan 2018
Posts: 20
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Re: Smoking upon start up
Got her fixed timing was out it would start but not run good also gav screw on carb was frozen
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10-11-2020, 06:47 PM | #14 |
Senior Member
Join Date: Sep 2019
Location: Fort Gratiot, Michigan
Posts: 2,296
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Re: Smoking upon start up
[QUOTE=1935TOWtruck;1940616]Got her fixed timing was out it would start but not run good also gav screw on carb was frozen[/QUOTE]
Thanks for the feedback! |
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