The engine plenum that we showed you above was a little too big, it was for the 300HP IO-540-K “angle-valve” motor. We have the IO-540-D, which is normally a 260HP motor, although ours is pumped up with high compression pistons and electronic ignition to above 300HP. Here are pictures of us glassing the fore and […]
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Fitting the cooling plenum to the engine. Note that the rear-most set of two ignition coils from the previous pictures had to be moved forward to clear the plenum and cowling. Note that once the plenum was fitted, and the runners where sanded slightly to allow them to slide into place, we started to fit […]
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Since the premolded engine cooling NACA ducts don’t seem to be covered elsewhere in the manual, I’ll include them here. Much of the cutting was completed during Head Start, though I did cut the overheard fresh air duct at home. Then they’re all fitted up and held in place. The engine naca’s had been set […]
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