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Discussion Topic:
No-start?
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51504bat |
02-02-2021 @ 7:00 AM
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Member
Posts: 232
Joined: Apr 2020
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The debate about what spark plug for a flathead is like that of the best oil. Everyone seems to have their own thoughts/favorites. I used to run Champion H10's in the 8ba with EAB heads and a Chevy distributor with no issues. I was surprised though when the H10's I purchased at my local independent parts house came individually packaged as lawnmower plugs. I did switch to Autolite 216's during my last tune up and the engine seems to run a tad bit better but I've got no data to back that up. Probably no real difference - just wishful thinking on my part.
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Jeepbut |
02-01-2021 @ 6:46 PM
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Posts: 75
Joined: Jan 2017
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Thanks TomO for the Marvel tip. I was going to ask how to free up sticky lifters.
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sarahcecelia |
01-26-2021 @ 3:40 PM
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Senior
Posts: 1171
Joined: Mar 2013
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Always use Champion H10s!They cost a little more, but they are worth it!!That's what Ford used "Back in the Day!" I used Autolites in my 1950 sedan once, and one wouldn't fire after very low mileage on it! I took it out- and it LOOKED LIKE NEW!! I think it went bad in the porcelain where the contact goes up through it!! I've never ever had a problem wth Champions like that! They are good until that center contact burns down to that center porcelain!! You just, take them out every 6 or 7,000 miles, file that center contact flat, gap them, and go!!
Regards, Steve Lee
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TomO |
01-25-2021 @ 8:58 AM
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Senior
Posts: 7243
Joined: Oct 2009
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Autolite 216 plugs are correct for your engine and should be gapped at .025" for best performance. I like to use Marvel Mystery Oil to free up stuck parts. It has a better varnish removing detergent that Kroil.
Tom
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Jeepbut |
01-23-2021 @ 1:41 PM
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Member
Posts: 75
Joined: Jan 2017
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Found it! Pulled intake and 14 out of 16 lifters are sticking. Have Kroil soaking them. I can take a screwdriver and peck them down, so I think it's a matter of Kroil and patience. Thanks for all the suggestions.
This message was edited by Jeepbut on 1-24-21 @ 5:28 AM
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carcrazy |
01-23-2021 @ 12:15 PM
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Senior
Posts: 1587
Joined: Oct 2009
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Are you sure that your compression gauge is operating correctly? Some have a release button that may be venting the pressure. Are you using the tester correctly? Some screw into the sparkplug hole while others have a tapered rubber end that must be manually held into the hole while the engine is turned over. Are you allowing the engine to crank at least 4 or 5 times until you get a maximum reading? Hope you are able to determine the cause of the problem.
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Jeepbut |
01-23-2021 @ 9:22 AM
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Member
Posts: 75
Joined: Jan 2017
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I have zero compression in all cylinders! Now what? I could understand low compression or variable from cylinder to cylinder, but ZERO for all eight?
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Jeepbut |
01-23-2021 @ 8:29 AM
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Member
Posts: 75
Joined: Jan 2017
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flathead V/8. He sold me Autolite 216 for the plugs.
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TomO |
01-23-2021 @ 7:45 AM
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Senior
Posts: 7243
Joined: Oct 2009
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Withe new rings and no break-in, it should be above 85lbs and no more than 15lbs variance across all cylinders. What spark plugs did he sell you and what is the engine, 6, v-8 flathead or V-8 overhead valve? Answer to this question will help to determine your course of action. Tom
This message was edited by TomO on 1-23-21 @ 7:48 AM
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Jeepbut |
01-22-2021 @ 3:25 PM
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Member
Posts: 75
Joined: Jan 2017
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How much compression should I have ? I will check it tomorrow.
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