3/8-24 spark plug?

[Oldiron]

I need a 3/8”-24 spark plug for a hit & miss model I just got. The existing one is a factory plug but no has marks. The thread size is rarely included in a plug listing so I hope someone can give me some part numbers to look for or better yet a chart somewhere that lists plugs with the thread sizes. Thanks. Bob

 

[stevehuckss396]

Champion VR-1
I believe rimfire has a 3/8 plug. Try Roy at cncengines.com. he sells rimfire plugs.

 

[scottyp]

Maybe these?

https://www.rcgroups.com/forums/showthread.php?4207699-Two-New-V-type-Aero-Electric-spark-plugs

Let me know if you need help purchasing them, I am on RC Groups often enough.

Scott

 

[marvin hedberg]

another supplier of Rimfire plugs is
World Famous Rimfire Spark Plugs Distributed by Roland Morrison

 

[Ghosty]

Can be bought here Woody's Model Engines The first two plugs, the "V" and the "VR-1"
Cheers
Andrew

 

[Jasonb]

deleted

 

[SmithDoor]

I need a 3/8”-24 spark plug for a hit & miss model I just got. The existing one is a factory plug but no has marks. The thread size is rarely included in a plug listing so I hope someone can give me some part numbers to look for or better yet a chart somewhere that lists plugs with the thread sizes. Thanks. Bob

You find them on ebay or
https://modelflight.com/product/spark-plugs/
Dave

 

[Oldiron]

Thanks everyone. It looks like a Champion V, VR-1 or Rimfire V have a 3/8-24 thread. I have inquires out now to try and buy one of each. Unforunetly some of these web site are far out of date or the owner mentions they're having health problems. We shall see. Bob