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Search took 0.00 seconds. Search: Posts Made By: rotorwrench
Forum: Model T (1909-1927) 02-15-2020, 09:10 AM
Replies: 35
Views: 12,403
Posted By rotorwrench
Re: Model T Sparkplugs

Mineral oil doesn't keep combustion particles in suspension very well. The engines will get a lot of oil soap buildup inside that's hard to clean out and can foul dipper orifices over time. Redmodelt...
Forum: Model T (1909-1927) 10-21-2019, 09:16 AM
Replies: 35
Views: 12,403
Posted By rotorwrench
Re: Model T Sparkplugs

As an engines piston rings wear, the oil control ring or rings can lose there effectiveness. More oil will stay on the cylinder wall and end up in the combustion chamber. This can also happen if a...
Forum: Model T (1909-1927) 10-20-2019, 08:32 AM
Replies: 35
Views: 12,403
Posted By rotorwrench
Re: Model T Sparkplugs

The adapter bushings remind me of the use of some like them that were made to use in oil burner engines to keep them from fouling. It can make them run hotter depending on the design of the threaded...
Forum: Model T (1909-1927) 10-17-2019, 01:59 PM
Replies: 35
Views: 12,403
Posted By rotorwrench
Re: Model T Sparkplugs

The plugs will likely fire whether they have a single coil with a distributor or the original 4-coils and a timer. The principle is similar but a single coil won't put out a shower of sparks like an...
Forum: Model T (1909-1927) 10-16-2019, 09:15 AM
Replies: 35
Views: 12,403
Posted By rotorwrench
Re: Model T Sparkplugs

I've seen the X plugs referred to as 425 and 525 depending on the year of manufacture but the 525 is likely the single piece type but same heat range. There is a lot of unknown history on the...
Forum: Model T (1909-1927) 10-15-2019, 10:07 AM
Replies: 35
Views: 12,403
Posted By rotorwrench
Re: Model T Sparkplugs

I think the Champion X spark plugs made today are closer to the old Champion part number 25 and they are likely cooler than the old part number 30. Now days they just have the one plug.
Forum: Model T (1909-1927) 10-14-2019, 06:31 PM
Replies: 35
Views: 12,403
Posted By rotorwrench
Re: Model T Sparkplugs

Heat range is mostly about how fast a plug dissipates heat. The faster it does that then the colder the plug is. It is controlled by the design of the ceramic insulator that is inside the combustion...
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