Quote:
Originally Posted by Ultramaroon
OP's description was actually pretty good. It's not to the beat of the engine because the HPFP is driven with three lobes/rev. The giveaway was that he described how suddenly it started making the noise.
You already know how the pump is driven. That info-nugget was for OP.  |
Oh 100% agree. Was just a different interpretation of his statement about the beat of the engine and the sounds.