Plan to do the FPR shim mod this weekend and lost as a baseball in high weeds, whether these two mods are the same or not, or do you do both ? Also need to know where there is a good place to check pressure before and after mod.
Shimthefuelregulator
Shimming the fitting with a 3/16 spacer behind the spring in the fuel regulator. This is located on the right hand side of the fuel filter. You will see a 3/4 brass nut there. The spring is inside there. Shimming will raise the fuel pressure and often give you a worthwhile increase in power and no one that I can recall has reported higher fuel consumption.

3/16BBintheregulator(lowfuelpressure)Shouldbe60lbsto85lbs
Regulator is the 19 mm brass bolt, on the right side of your fuel filter housing. Unscrew the bolt, pull out the spring, pull out the housing with a magnet, put the bb inside the housing were the spring goes, put the housing back, put the spring back in and put the bolt back in, just make sure the little nipple on the bolt goes in the center of the spring and tighten it up.
Thanks Darron

 

yup....same thing....I did the one with the BB

 

yep
x2
10characters

 

Thanks guys for clarifying that, kinda of confusing when the BB mod said low fuel pressure. Where's a good place to check the pressures at?

Thanks,
Darron

 

There is some shrader valve in there someplace.
They say you can use a tire pressure gauge to check it, but it might trash the gauge due to fuel coming out.

It's a good mod to do anyways.

I'm going to show up to buy my psd with a pocket full of resistors and a BB and a few tools to do the FPR mod.

hehe. =-)

 

yup ....shreader valve just below and in front of the FPR....looks like a valve stem.....your tire gauge will be shot after.

 

There is a schrader valve (tire valve looking thing) right next to the regulator. I use a straight pencil type tire gauge but have to hold it on there a few seconds to get a steady reading while the tube fills with fuel. Like Talyn said, once you do that don't use it for air any more. It does make a little bit of a mess so lay some rags out under the valve before you check pressure.

 

Yep, seen that vavle there, though it was for bleeding off air in case you ran the truck out of fuel. They make a liquid tire pressure guage to use on tractor tires that are filled with methynol or antifreeze, I got one of those, I'm going to try it, don't think it will damage this type of guage will keep you informed on results. Thank all of you for your help. Hey Talyn are going to try to do the mods before you leave with the truck. lol

Thanks,
Darron

 

If i ever do, its stop at nearest napa, or home depot with 6637 and have some fun, then drive home with a modded truck.

 

Check this links
http://good-times.webshots.com/album/562480325SpQEMo
http://rides.webshots.com/album/76824672MwFOuc

 

Thanks for the help and the pics, forgot one thing, to you check fuel pressure at idle or at what RPM. ROENTGEEP tried to rep you for the pics, but you know the deal, had to spread it around.

Thanks,
Darron

 

At idle you should check the fuel pressure and see what happens at WOT. Dont go more than 75 psi at idle.

No problem at all about the reps, I know that.

 

do not use a 3/16 ball bearing, it will get stuck, use the bb