SS/GN
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- Jun 30, 2005
- Messages
- 2,874
What Autolite plug is the same as the NGK UR-5.
Thanks
Thanks
Spark plug cross reference
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RmvBfrFlght
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- Sep 28, 2007
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#23
Copper core, extended tip, resistor, 5/8" hex, 14mm thread with .460" reach, tapered seat.
For a non-extended tip spark plug, Autolite # 144 is the one to go to. Heat range is between # 23 & # 24 plugs, but has a standard length tip. I run these at .040" gap with CnP ignition.
RemoveBeforeFlight
Copper core, extended tip, resistor, 5/8" hex, 14mm thread with .460" reach, tapered seat.
For a non-extended tip spark plug, Autolite # 144 is the one to go to. Heat range is between # 23 & # 24 plugs, but has a standard length tip. I run these at .040" gap with CnP ignition.
RemoveBeforeFlight
