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Ellison EFS 4-5

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B747Inst

B747Inst

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Anyone have experience with the EFS 4-5 on a IO or O-360? would it be a direct replacement for the Bendix PS-5C? My Pitts S1 is as stock as they come... any cowl change?

Had one on my Smith Miniplane... worked great! I just want to know if it will fit in my stock cowl without any modifications.
 
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