Quote:
Originally Posted by gravitylover
Like Tcoat said it's not crickets it's a wet belt. Crickets only appear at idle. The most reasonable explanation I remember being proposed is the seals in the HPFP need more lubrication than ethanol rich fuels provide. The new pump has different seals so is more tolerant of the garbage we use for fuel here in the US.
|
More than just seals. It also has a longer stroke and a porting size change but those probably had nothing to do with the noise.