Mazda RX7 FC Throttle Body Adapter
grabcad
This is an adapter that I designed and machined for my brother's Mazda RX7 to adapt the rounded-triangular throttle inlet to a standard 3" pipe. I machined the bevel model, then welded on a Wiggins ferrule. I have included the step files for a short adapter with a weld bevel, an adapter with a ridge for a 3" silicon coupler, and one with a Wiggins ferrule modeled. The ridged model could be 3D printed in ABS, nylon, or any other high temperature filament and should be suitable for use in the engine bay. I have not tested this however!
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