Classic Kyosho/Graupner Baja Body doesn't like 25% nitro fuel.

Today i decided to make some nice HD footage of the classic Baja Body, but i only had fuel containing 25% nitromethane. Had a bad feeling about it but tried it out anyway.
The engine doesn't like it. When it was produced in the early 1980's, the fuel wasn't this agressive, the percentage of nitromethane was substantially lower. Therefore the combustion was slower, which wasn't a problem.
Increasing the percentage of nitromethane means a more agressive and rapid combustion, but the piston's deflector limits the speed of combustion, causing misfiring and an increase in temperatures. The cooling head can also not be shimmed.
In short, it's far from advisable. The engine will overheat eventually and i never got the engine to run smoothly. It made me feel like a total newbie.
Wost of all, the driveshaft gave up on me.

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