Broke my test port off yesterday... can you delete the fuel block with the dhd high flow cp3 inlet line? If so what needs to be done with the smaller line? I've just got it capped off now to get me to work and back.
Broke off fuel test port
- Thread starter LBZ1991
- Start date
Yea I've read it's a pretty common problem lol. What did you end up doing? Or is it still plugged?
I had it plugged with no problem for along time. I finally made my own fuel system and got rid of all low pressure hard lines
So I should be able to to just buy the cp3 inlet fitting the run 1/2 line to my filter housing. What about the other small line that goes the the fuel block?
When I built my motor, I deleted the test port. I am not sure if the test port is the same on the LB7 and LBZ, but if you want mine, I can send it your way for the cost of postage. I can get a photo of it if you need.
I appreciate it. But I'm pretty sure the lb7 and lbz are different. I'd like to just delete mine all together too.
there are no wires just two rubber lines into the block. dhd sells these two kits..
http://dirtyhookerdiesel.com/i-1490...-line-kit-lb7-lly-lbz-lmm-duramax-diesel.html
http://dirtyhookerdiesel.com/i-1490...k-upgrade-kit-lly-lbz-lmm-duramax-diesel.html
I don't see a need for the block unless you plan on running a gauge which, im not
http://dirtyhookerdiesel.com/i-1490...-line-kit-lb7-lly-lbz-lmm-duramax-diesel.html
http://dirtyhookerdiesel.com/i-1490...k-upgrade-kit-lly-lbz-lmm-duramax-diesel.html
I don't see a need for the block unless you plan on running a gauge which, im not
When I deleted the test port and did the hi flow feed line on my LBZ I just got a brass 3/8" or 5/16" male barbed to female 3/8"NPT fitting to connect to the factory soft/hard line.
To connect that to the 1/8" injector return line I used a brass 1/8" to male 3/8"NPT barb...
Teflon tape the thread, the yellow stuff rated for LPG and oil and what not, clamp the 3/8" side and pick up a set of GM injector fuel line hose clamps for the 1/8" side
No leaks
Since then I made my own complete fuel line system and deleted all the factory stuff...but the 2 brass fittings will work and get ya by on the quick and cheap for as long as you need
To connect that to the 1/8" injector return line I used a brass 1/8" to male 3/8"NPT barb...
Teflon tape the thread, the yellow stuff rated for LPG and oil and what not, clamp the 3/8" side and pick up a set of GM injector fuel line hose clamps for the 1/8" side
No leaks
Since then I made my own complete fuel line system and deleted all the factory stuff...but the 2 brass fittings will work and get ya by on the quick and cheap for as long as you need
I didn't mean the DHD block what mean is what is the wire on the stock one? Note the wire under the fuel inlet.
Attachments
theres a wiring harness, and a injector return line in that pic 
. I think your mistaking that sheathing for a wire, its actually fuel line
. I think your mistaking that sheathing for a wire, its actually fuel line
Ah so it is a small return line. Now I feel better about plumbing how I want it :thumb:
It was all in the way of my new Y-bridge
It was all in the way of my new Y-bridge
You're welcome
That works!
Looks pretty dang good too
:thumb:
Eventually Id like to run braided AN line for my set up
This is how I've got it now
