The car etc is hobao hyper 7 tq sport RTR the engine itself is a Mach 28.
It's a 20 % fuel mix I used to b on 16 %
as for the plug it's the standard one that came with it so if I'm honest I couldn't tell you coz I don't know :/ maybe the fuel and glow plug doesn't go?
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HOBAO HYPER 7 .28
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