Fuel Pump Pressure?
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Fuel Pump Pressure?
Hi all.
I have a 1987 F-250 460 with carb. This truck has electric fuel pumps in the tank. I thought I'd check my fuel pressure before doing much more in the way of tuning my newer Holley 750. The pressure is 2 PSI, this is with the 5/16" return line. I blocked the return line and have about 4.5 PSI. I was pretty amazed to find this low of pressure and don't find a spec in my shop manual.
Anyone know what the fule pressure should be for thsi particular truck?
Thanks, Tim
I have a 1987 F-250 460 with carb. This truck has electric fuel pumps in the tank. I thought I'd check my fuel pressure before doing much more in the way of tuning my newer Holley 750. The pressure is 2 PSI, this is with the 5/16" return line. I blocked the return line and have about 4.5 PSI. I was pretty amazed to find this low of pressure and don't find a spec in my shop manual.
Anyone know what the fule pressure should be for thsi particular truck?
Thanks, Tim
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