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-   -   ABC engine question (https://www.rcuniverse.com/forum/glow-engines-114/1077596-abc-engine-question.html)

tonyL1 08-21-2003 11:49 PM

ABC engine question
 
HI all , i have a Royal engine .46 ABC Signature series
no probs to report , running good, but I'm curious to understand
what the little slot on piston is for, looks like a slot for a piston ring in a way, but engine is clearly ABC. Could this slot be for
helping the piston/liner retain oil-lubrication , possibly?

downunder-RCU 08-22-2003 12:39 AM

ABC engine question
 
Yep, that's an oil groove...there's a few ABC engines that use that system.


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