Jetnoise
Well-Known Member
- Joined
- Jun 27, 2018
- Threads
- 21
- Messages
- 1,373
- Reaction score
- 339
- Location
- Raleigh NC
- Vehicle(s)
- 2018 GT Premium PP1, 70 Shaker Mach 1 stroker, 1967 F/B 357W, 1968 302 Vert, 4I 85 5.0 B&M Blower
I respect what you are saying but I donāt think what Iām hearing is fuel demand generated.Changes in DI operation, fuel pressure, and the amount of flow can cause all kinds of different sounds in a pump. Especially a pump that is mechanically driven and operating at very high pressures like this. You can hear the obvious high pitched clicking sound, but there is an under-tonal drone that sounds exactly like the 2k rattle. At least compared to my car it sounds virtually identical.
Is the DI or the PI a mechanical pump? I thought they were electric pumps.
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