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| Plug Heat range and Gas Mileage Is There any correlation? https://www.slantsix.org/forum/viewtopic.php?t=15438 |
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| Author: | Greg Ondayko [ Sat Dec 17, 2005 7:23 pm ] |
| Post subject: | Plug Heat range and Gas Mileage Is There any correlation? |
I shaved .0100" off the head in my duster - Daily driver. I am still using the factory champion plugs from the owners manual at the moment. {I dont want this to be another thread about who likes what brand Plug} I want to know if I should consider another heat range plug with that much shaved off of the head. Thanks, Greg |
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| Author: | Eric W [ Sat Dec 17, 2005 7:32 pm ] |
| Post subject: | |
Look over this site. http://www.sparkplugs.com/default.asp Might be able to answer some of your questions. |
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| Author: | SlantSixDan [ Sat Dec 17, 2005 7:50 pm ] |
| Post subject: | Re: Plug Heat range and Gas Mileage Is There any correlation |
Quote: I am still using the factory champion plugs from the owners manual at the moment. I want to know if I should consider another heat range plug with that much shaved off of the head.
If you shaved 0.010" off the head, then no, there's no need to consider a different heat range. If you actually shaved 0.100", then that's significant, and you might want to look at going one heat range colder, for the higher compression created by a 0.100" mill will tend to increase combustion chamber temperatures, which will aggravate a tendency to ping, which will cause you to retard your timing, and that will reduce your MPGs.If you're using standard plugs, try the extended-nose variety (NGK ZFR5N, for example). |
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| Author: | Greg Ondayko [ Sun Dec 18, 2005 10:20 am ] |
| Post subject: | |
Thanks Guys - I will look into it, and thanks for not turning this into a spark plug debate thread. There are plenty of those around... Greg |
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