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HELP which fuel pressure reg

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  #1  
Old 12-06-2017
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HELP which fuel pressure reg

put a 302 2bbl in a ranger 99 frame under a 52 f2. I'm using the stock efi pump with 5/16 supply and 3/8 return lines. I need a fuel pressure regulator with return that will work and not break my verrry limited bank. ive called jegs and holley and summit and a local speed shop and got different answers from all based on what they think should work. somebody out there must have already done this and KNOWS WHAT WILL WORK.
 
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Old 12-07-2017
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Welcome to the forum

1999 Ranger shouldn't have a fuel return line, 1998 and up ran Returnless Fuel system with 60psi pressure, 1997 and earlier ran 30psi

But in 1999 there may have been a Return line on the fuel filter.

Most By-pass Fuel Pressure Regulators rated for 5-9psi are for use with electric pumps that were rated for 45psi or less, so the 1999 60psi may present a problem.
I think that's why parts stores are not sure what will work.

I am sure someone has done it, but may be awhile before they see this post.
99.9% of Ranger V8 swaps use stock EFI on the intake, so don't have to deal with carb conversion issues.

You could look at in tank pump conversion, low pressure pump, or mechanical pump conversion with removal of in tank pump.

If you use(stay with) an electric pump then I would also use Fuel Pump Relay grounded by Oil Pressure switch, this was used for many years after first electric pumps were used on carb engines.
Carb has enough fuel in the bowl for start up, once oil pressure comes up fuel pump relay closes and electric pump starts up.
Its a safety measure to prevent electric pumps from pumping out fuel if fuel line breaks or ???
Engine off = fuel pump off
 
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Old 12-07-2017
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It's just a two barrel carb, all he needs is 4 to 6 psi to keep the floats bowls full.
Volume is key.

An SU electric pump would work well, no fuel regulator needed.
Just have to make sure and get one that supplies enough fuel _ one rated for a 5 to 7 litre engine.
 
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