Garbage_Mechanic
Member
I had 160/0 injectors for years with the stock mechanical pump with no issues so they arent too hard to fuel.
Fuel pump setup
- Thread starter cjfarm111
- Start date
Zeb
New member
Another pump choice is the Walbro GSL392X.
I have one on my OBS with 160/0 injectors, and another one on my 6.0 Excursion with 205/30’s. Some guys will holler about reliability issues with the Walbro, but the one on the OBS has been on there for 15,000 miles, and the Excursion’s has 28,000 miles on it. Both never come off the hottest tune and maintain fuel pressure just fine.
I’ve got 6 different 6.0 trucks with 190/30’s and 205/30’s running Walbro pumps with zero failures. The highest miles on a system is nearly 60,000.
My experience with them has been excellent, and they are virtually silent also.
I have one on my OBS with 160/0 injectors, and another one on my 6.0 Excursion with 205/30’s. Some guys will holler about reliability issues with the Walbro, but the one on the OBS has been on there for 15,000 miles, and the Excursion’s has 28,000 miles on it. Both never come off the hottest tune and maintain fuel pressure just fine.
I’ve got 6 different 6.0 trucks with 190/30’s and 205/30’s running Walbro pumps with zero failures. The highest miles on a system is nearly 60,000.
My experience with them has been excellent, and they are virtually silent also.
Zeb
New member
No.
On the OBS it pulls thru the factory selector valve and has 3/8” lines, Aeromotive regulator, and Cat filters.
On the Excursion it pulls thru the factory pickup, has Cat filters, 3/8” and 1/4” line, and a Fuellab regulator.
On all the 6.0 pickups I do a sump, -10 line to the water separator filter and thru the pump and final filter, -8 to a Peterson Y, -4 off the Y to each head, -4 off the front of each head to a T, -6 off the T to the regulator, -6 from the regulator back to the return on the sump.
I’d be glad to send pictures to someone, cause I can’t post pictures from my phone for some reason.
On the OBS it pulls thru the factory selector valve and has 3/8” lines, Aeromotive regulator, and Cat filters.
On the Excursion it pulls thru the factory pickup, has Cat filters, 3/8” and 1/4” line, and a Fuellab regulator.
On all the 6.0 pickups I do a sump, -10 line to the water separator filter and thru the pump and final filter, -8 to a Peterson Y, -4 off the Y to each head, -4 off the front of each head to a T, -6 off the T to the regulator, -6 from the regulator back to the return on the sump.
I’d be glad to send pictures to someone, cause I can’t post pictures from my phone for some reason.
Zeb
New member
The Walbro GSL392X is rated at 70psi and 85gph. Summit’s website says 60 psi, but that is incorrect.
I always set the regulator at 60psi on a Powerstroke.
I always set the regulator at 60psi on a Powerstroke.
Zeb
New member
gnxtc2
Active member
I have 175/80s and use a stock SD pump. No pressure drop. No noise either.
Be careful with Walbro pumps. There are a lot of fake re-branded and bootleg Walbro pumps out there. Also, there are a lot of bootleg Bosch pumps out there.
Whatever fuel pump you decide to go with, make sure it's rated for diesel.
Billy T.
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PABowhunter
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For quietness, you can't beat the OEM Bosch pumps. There's also something to be said for finding replacements easily in case the pump dies.
The Fuelab is a bit noisy, but it is a very solid pump. It's also overkill for most injectors. I don't like the noise with the key on and engine off, but once the truck is running you don't really notice it.
The Fuelab is a bit noisy, but it is a very solid pump. It's also overkill for most injectors. I don't like the noise with the key on and engine off, but once the truck is running you don't really notice it.
Zeb
New member
This is very true. Buy from a reputable source. I use Summit Racing.
As another point of reference as far as what the Walbro GSL392X can handle is a customer’s truck that has 250/100 hybrids, Adrenaline hpop, Brian Jelich’s tuning, drop in KC366, and a Walbro with the stock tank pickup, stock lines, stock fuel filter bowl, RiffRaff FRx, and stock fuel fittings in the head with the check valves removed, stock head bolts, stock valve train, etc, 4x4, crew cab, long bed, F250 with Ranch Hand bumpers front and rear.
It has never been on a dyno, but his best 1/4 mile mph is 98.39mph at 7900lbs.
He daily drives and tows with it regularly.
The Brad
New member
My 200/80s will tank the pressure down to 20psi in a hot tune with a stock pump, but pressure stays above 50psi in all other tunes.
brian42
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I put in a new Bosch pump when I put in 160/80s. I have the medium spring in my FRx and I idle at 62psi.
I don't mash the throttle (worn tires) but a hard-ish launch to freeway speeds fuel pressure might dip to 55 psi. That's in my GH Street tune.
The Bosch pump is super quiet compared to my OEM pump. I am sure some of the noise was from the fact that it was probably tired at 15 years old with 305K miles on it when I removed it.
I don't mash the throttle (worn tires) but a hard-ish launch to freeway speeds fuel pressure might dip to 55 psi. That's in my GH Street tune.
The Bosch pump is super quiet compared to my OEM pump. I am sure some of the noise was from the fact that it was probably tired at 15 years old with 305K miles on it when I removed it.
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