GNVYUS 1
Well-Known Member
- Joined
- Dec 15, 2002
Haven't been on the boards much or driving the GN (at all) but I noticed no one's talking about how to help those of us that had the Goo issue cure it. Over the past few years this issue has been all over the net and a bunch of issues have been identified and cured. I should've figured part of this out, answer was starring me in the face, here we goo.....
1) The Goo is formed from a Petroleum Molecule that when heated up, turns into the goo (tar like) substance. (there are theories on how it gets in the fuel, but if you're reading this who cares, it's in your fuel)
2) Kill the molecule by using the Lucas Oil E85 Safeguard treatment.
https://www.lucasoil.com/products/display_products.sd?iid=335&catid=8
3) Certain external fuel pumps don't heat up the fuel enough to start the goo process because the fuel doesn't run through their pump motors cavity (unlike the internal pump where it does). Instead these better externals have the fuel run through a self contained armature separate from the pump motor (way less heat).
4) Internal fuel pumps not only radiate heat into the E85 fuel, but the process of fuel getting sucked into the pump causes the fuel to potentially boil during WOT conditions further adding way more heat.
5) By the time this heated fuel gets to your hot injector tip, the goo molecules are just looking for something to cling to and continuously form on.
I run E85 in the GN (internal fuel pump)= Goo Galore
I run E85 in my GTO (external Magnafuel) = No Goo
Both were getting the fuel from the same stations, I pulled my hair out wondering WTF??
There is a post online where a member took a vile of E85 and added the Lucas, he noted it cleared up the deposits pretty quickly. A big E85 carburetor shop was having issues and the Lucas cleared them up on the carbs he builds and it's about a year of continuous success. Using the Lucas E85 Safeguard is where I'd start if you're having the issue, from here it's clear the internal fuel pump is the 2nd biggest contributor since it's heating up the fuel to get things gooey.
Goo Bye
1) The Goo is formed from a Petroleum Molecule that when heated up, turns into the goo (tar like) substance. (there are theories on how it gets in the fuel, but if you're reading this who cares, it's in your fuel)
2) Kill the molecule by using the Lucas Oil E85 Safeguard treatment.
https://www.lucasoil.com/products/display_products.sd?iid=335&catid=8
3) Certain external fuel pumps don't heat up the fuel enough to start the goo process because the fuel doesn't run through their pump motors cavity (unlike the internal pump where it does). Instead these better externals have the fuel run through a self contained armature separate from the pump motor (way less heat).
4) Internal fuel pumps not only radiate heat into the E85 fuel, but the process of fuel getting sucked into the pump causes the fuel to potentially boil during WOT conditions further adding way more heat.
5) By the time this heated fuel gets to your hot injector tip, the goo molecules are just looking for something to cling to and continuously form on.
I run E85 in the GN (internal fuel pump)= Goo Galore
I run E85 in my GTO (external Magnafuel) = No Goo
Both were getting the fuel from the same stations, I pulled my hair out wondering WTF??
There is a post online where a member took a vile of E85 and added the Lucas, he noted it cleared up the deposits pretty quickly. A big E85 carburetor shop was having issues and the Lucas cleared them up on the carbs he builds and it's about a year of continuous success. Using the Lucas E85 Safeguard is where I'd start if you're having the issue, from here it's clear the internal fuel pump is the 2nd biggest contributor since it's heating up the fuel to get things gooey.
Goo Bye