5th & 6th ports???
5th & 6th ports???
Can anyone explain to me about those two ports? I'm not sure if mine are working properly. Are they supposed to retract when I'm initially at idle, then reving the rpms to about 4000? They don't do anything. I can move them by hand however. Or are they only supposed to retract when there is an actual load on the engine?
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23Racer
Race Car Tech
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Sep 21, 2015 10:48 AM



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