TwinTurbo.NET: Nissan 300ZX forum - This may be premature -- but...
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Subject This may be premature -- but...
     
Posted by thumper300zx on January 25, 2020 at 9:30 PM
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In Reply To Re: I just replaced the fuel pump... posted by thumper300zx on January 25, 2020 at 07:12 PM
     
Message I took the car out for a more lively run just now -- and I think maybe this fuel pump has been weak for many, many years. Even though it generally held proper pressure at idle and did go up with boost, my electric gauge has never been fully reliable and I guess I just trusted it was doing ok.

I got this car at (IIRC) 60K, and with a couple years, I posted quite a bit about power flattening out in the upper range. My dyno results showed similarly (this was like 15 years ago).

Maybe this was the solution the entire time, but my pump just didn't show drastic symptoms until the last couple months. (still no buzzing).

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