• If you log in, the ads disappear in the forum and gallery. If you need help logging in, send request for help to: webmaster@southernairboat.com

spark plug gap lycoming


Well-known member
Trying to remember gap for plugs on lycoming with electromotive electronic ignition ???? Thanks


Well-known member
Ngk 2910 is the stock # & most go by the other # which is ab-6 & yes I run them...026-.028 with mags if I remember correctly & I now have the electronic pacemaker ignition which the gap should be .035

Slidin Gator

Well-known member
Those are non-resistor plugs. Do any of you run non-resistor on electronic ignition and have good luck with no interference on electronics (radio, dog tracking gear etc.)?

I need lower heat range plugs but don’t find any options in resistor plugs, other than adapters and smaller plugs.