[Gmecm] RE: dual tank issue

[Andrew Gibson]

I wouldn't reccomend the Holley fuel pump. It works great at lower pressures, but the design has issues with getting cavitation easily, (not that it won't pump when this happens but it gets very noisy, Think p/s pump low on fluid!) and you frequently have to tear it apart and clean the vanes to keep up the flow and pressure. I'd definitely go with something in the carter frame mounted system or other sealed pump. Besides who besides dragsters needs 110 gph out of a fuel anyway? The Holley is just too much flow, hassle and money.
   
  >Andys approach seems logically best, mount a Holly
>Pump on the frame as close to the switching valve as
>you can, then run a factory braided fuel line down the
>top of the bellhousing to the fuel pump , hook up
>power and you are set.

>> The 82 already should have a return line on the tank
>> switching valve. Since the switching valve is not
>> pressure rated putting a pump in the tank is not a
>> simple problem to solve. The easiest way I can think
>> of is to put a pump inline after the valve and don't
>> run your tanks lower than 1/4 full to prevent
>> cavitaion. Besides being inexpensive, it will be the
>> least labor intensive to install and allow you to
>> use most of the stock fuel lines.


		
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