Uh oh...fuel pump death whine

[Goodspeed]

Have you actually measured the fuel pressure at the rail or are you just assuming the pump is dying because it's loud? The pump on the SHO sounds like a TV test tone - it has for the past 40k miles.

Also, be careful about putting a 255 in without running a FPR. Depending on the return system it can actually make the car run lean at high RPM.

The pump started to make a constant audible whine that it didn't before, and before that, the car had trouble starting on hot days <-- both signs of a failing fuel pump.

I'll just change (hardly) my driving style until I can finish the fuel system. I pretty much decided on the 255 to allow expansion to a FPR/Injectors etc. which I'll do in the future. I honestly don't floor it ever and hit high rpms. I think I've gone WOT twice in the last 3 months, and I short shift like its my job.