Security & Theft Locking Gas Cap

   / Locking Gas Cap #11  
I got mine at NAPA, if you have one near you. They have a catalog that cross references the cap.
 
   / Locking Gas Cap #12  
Don't know how aviation fuel would cause problems... we have a number of folks who come to our airfield specifically to purchase avgas for their small gasoline engines --chainsaws, snowmobiles, ATVs, etc. The fact that avgas (100LL) doesn't contain alcohol is why they like it, in addition to the higher (100) octane. The LL --low lead-- doesn't seem to bother.

I agree with the game cam -- I really have a problem with folks who steal from others.
 
   / Locking Gas Cap #13  
100LL aviation fuel, is actually only about 96 octane, if you measure it with the automotive fuel octane method, R+M/2.

No, 96 octane gasoline will not do harm to a gasoline engine. Though the lead in 100LL could cause issues with catalytic converter(s).

Many aircraft which were actually built to run on 80 octane, have been running 100LL for decades.

Too low an octane, can cause detonation, (knocking). Too high an octane, only results in money being wasted.

The octane an engine needs is basically determined by the compression ratio. Although, with electronics engine makers have been able to push those limits.
 

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