GDS Spring upgrade
< Samantha...my Co-Pilot
Joined: Dec 2001
Posts: 768
Likes: 11
From: Fallon, Nevada
Where did you get a 6mm BB? Thanks.
Fleet Owner
Joined: Nov 2003
Posts: 27,882
Likes: 3,595
They make stainless BB's - I wanted one of those, but would have had to wait. I just got a copper coated one - just the same kind you put in a kid's BB gun. I would not put a zinc coated, lead, or galvanized one in there - just because of diesel fuel not being good with these materials.
Elder User
Joined: Aug 2009
Posts: 905
Likes: 0
From: Inverness, Fl
I wanted to confirm that I got the proper spring from them before posting, but I installed the GDS spring this weekend and my fuel pressure went to 80 psig with the key on. I took it out and put the BB mod (w/ original spring) in. I still have not contacted GDS (will do today), but since you posted, I will respond. 80 psig is too high.
I purchased a GDS Spring was waiting to purchase a fuel pressure gauge. I guess I will just add it to my collection of parts. Thanks for the information on the spring Mark
Fleet Owner
Joined: Nov 2003
Posts: 27,882
Likes: 3,595
1954oldred and rocky1074 -
I appreciate your word of thanks. I pm'd a few people that I knew were considering the spring (or had installed it) as soon as I found out. Those that responded back with a word of thanks are "good folks"! That's what keeps me interested in this Forum!!
I appreciate your word of thanks. I pm'd a few people that I knew were considering the spring (or had installed it) as soon as I found out. Those that responded back with a word of thanks are "good folks"! That's what keeps me interested in this Forum!!
Posting Guru
Joined: Jan 2009
Posts: 1,321
Likes: 0
From: Mattawa Washington.
Seems to be a surge of intrest in the spring and bb mod. but I have yet to read why any one would want too. Are they after more power? Or am I missing something????Do these engines lack fuel pressure and need a milder bump?
Lead Driver
Joined: Jun 2007
Posts: 6,757
Likes: 5
From: Corvallis, OR
The stock spring gets weak and allows the fuel pressure to get low, into the danger range for the injectors (minimum 45 psi). The BB mod gives the stock spring a 8-10 psi bump to keep your injectors happy.
Posting Guru
Joined: Jan 2009
Posts: 1,321
Likes: 0
From: Mattawa Washington.
Thanks Cartmanea, I guess that gives me more reason to buy my gauges and get em installed.
Does any one know if using one like the insight that reads thru the OBD port is acurate enough to rely on.? Seems I read a lot about the dash gauges are worthless. So does this mean the sensors are the same for the engine computer as the gauges and are just as phony?
Does any one know if using one like the insight that reads thru the OBD port is acurate enough to rely on.? Seems I read a lot about the dash gauges are worthless. So does this mean the sensors are the same for the engine computer as the gauges and are just as phony?
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Elder User
Joined: Aug 2009
Posts: 905
Likes: 0
From: Inverness, Fl
The Edge Insight will read EGT's if you purchase the Edge THERMOCOUPLE (EGT PROBE)
Part #98600. You will have to get a separate gauge to read fuel pressure
Edge Products Insight Multi-Gauge Display
Part #98600. You will have to get a separate gauge to read fuel pressure
Edge Products Insight Multi-Gauge Display
Elder User
Joined: Aug 2009
Posts: 905
Likes: 0
From: Inverness, Fl
These are not my instructions I found it an another post!!! If I find some pictures I will send them!!!
This is how i performed the bb mod on my truck. This mod is to boost fuel pressure up from 55 to about 75. First i removed thermostat housing by removing using a 10 mm. I then pushed the thermostat housing to the front to give me room to remove fuel pressure regulator. Then remove the line on the fpr. The bolts on the fpr are a t27 torx. Remove all four bolts holding it to the upper fuel filter. Watch out because the spring has it under pressure. Make sure the spring and brass poppet valve doesnt fall out. Take a .177 bb and slide it in the brass poppet and reassemble everything. You will lose some coolant doing this mod so make sure you have some on hand. Some companies sell a longer spring but the bb is cheaper
This is how i performed the bb mod on my truck. This mod is to boost fuel pressure up from 55 to about 75. First i removed thermostat housing by removing using a 10 mm. I then pushed the thermostat housing to the front to give me room to remove fuel pressure regulator. Then remove the line on the fpr. The bolts on the fpr are a t27 torx. Remove all four bolts holding it to the upper fuel filter. Watch out because the spring has it under pressure. Make sure the spring and brass poppet valve doesnt fall out. Take a .177 bb and slide it in the brass poppet and reassemble everything. You will lose some coolant doing this mod so make sure you have some on hand. Some companies sell a longer spring but the bb is cheaper
Elder User
Joined: Aug 2009
Posts: 905
Likes: 0
From: Inverness, Fl
Again Found these on another post...Thanks to bismic If you go to top of page an click search type in BB Mod
Here is a pic of the fuel line tie-in where the regulator is:
https://www.ford-trucks.com/forums/pi...ictureid=24055
Here is a pic of the fuel line tie-in where the regulator is:
https://www.ford-trucks.com/forums/pi...ictureid=24055
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