I have an ADU block is this it on the end of the arrow in this pic? I cant really see what significance this could have.........is it only on the ADU?
The tooth spacings are exactly the same, the ADU pump pulley has 26 teeth and the ABY 29 teeth, so the ADU pump spins and pumps faster for any given engine speed relative to the ABY pump.
Mark.
The tooth spacings are exactly the same, the ADU pump pulley has 26 teeth and the ABY 29 teeth, so the ADU pump spins and pumps faster for any given engine speed relative to the ABY pump.
Mark.
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