Differences with a Fuel Pressure Regulator
Thread Starter
Instructor
Joined: Feb 2001
Posts: 171
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From: Raleigh North Carolina
Differences with a Fuel Pressure Regulator
I have a stock '93 auto, 2:59:1 ratio.
I was thinking of a fuel pressure regulator.
What kind of luck have you guys/gals had with using one?
I'm doing about 2.1 60', 8.9 8th, 13.8 1/4 on Yokahoma 520's.
Yes I know....not the best tires for this...but that's what came on the wheels when I bought them. I'll go with a better tire when these wear out for sure.
-jim
[Modified by Jimi Lane, 9:10 AM 5/3/2002]
I was thinking of a fuel pressure regulator.
What kind of luck have you guys/gals had with using one?
I'm doing about 2.1 60', 8.9 8th, 13.8 1/4 on Yokahoma 520's.
Yes I know....not the best tires for this...but that's what came on the wheels when I bought them. I'll go with a better tire when these wear out for sure.
-jim
[Modified by Jimi Lane, 9:10 AM 5/3/2002]
Thread Starter
Instructor
Joined: Feb 2001
Posts: 171
Likes: 0
From: Raleigh North Carolina
Re: Differences with a Fuel Pressure Regulator (Jimi Lane)
I was thinking about bumping up the fuel pressure to about 40-42 psi.
What kind of increase in power have you guys seen from doing this?
-jim
What kind of increase in power have you guys seen from doing this?
-jim
Racer
Joined: Sep 2001
Posts: 354
Likes: 0
From: Prineville Oregon
Re: Differences with a Fuel Pressure Regulator (Jimi Lane)
I have no experiance as yet, but I will be playing with fuel pump pressure on my tow vehicle in the next few weeks. You may increase HP by lowering or raising your fuel pressure depending if your current set-up is overly rich or too lean. On my tow truck (injected 460 Ford) I found an extensive article done by a Four Wheel Drive magazine back in 1999. They made numerous changes to a tow vehicle that were all external changes...one experiment was with fuel pressure. They varied pressure between 36 PSI and 46 PSI in 1 lb. increments and found the optimum HP/Torque occured at 41 PSI, which was 2.5 pounds less than the factory setting. There percentage of increase was 2.8 % HP and 2.7 % torque over the factory setting. Your ideal fuel pressure will vary by what other changes you have made to your engine. Have fun experimenting! Deen
