LT1 LOW FUEL PRESSURE

Brent Obermiller ober_b at sssnet.com
Tue Oct 19 18:30:48 GMT 1999



CSH-HQ wrote:
> 
> You, need to look at a Walbro selection chart, or AC/Delco fuel pump catalog.
> I use the AC Catalog, personally.  Find a parts stor/dealership that has a
> AC/Delco Fuel Pump Catalog, and figure out what volume of fuel you need, and
> just get the right pump.
>   Sorry, just don't have any further part no.s here
> Grumpy
> 
Yeah, look at the catalog.  Guessing doesn't work. For example: with the
TBI setup a '92 5.7L Roadmaster has more pressure and GPH than a 454 SS
pickup pump.
-Brent


> >       The last couple of weeks I have been trouble shooting my, rough
> >running, newly installed LT1 in my Monte SS.  I finally bought a fuel
> >pressure gauge and discovered I had very little fuel pressure (1-2kpa not
> >35-45).  I was amazed that the engine could run on such low pressure.  I am
> >using a in tank fuel pump out of an L98 Camaro, the tank is out of a 85 V6
> >TBI Monte.  I found no kinks in the line anywhere and I dropped the tank
> >last night.  My question is how can I confirm that it is the pump and what
> >is the best pump for this application.  The pump was chosen because it was
> >the only AC Delco in tank high pressure fuel pump the auto parts store had
> >in stock.  By the way I know the gauge works because I checked it on our 96
> >Impala and it read the correct pressure.
> >
> >Thanks,
> >Luke
> >



More information about the Gmecm mailing list