New inline fuel system
08-27-2012, 11:22 AM
#51
I have kind of a similar setup. I drilled and tapped the rear of my tank for my second pump, except I ran my hose straight to the frame side instead of the driveshaft side. I'm still using a walbro intank as my main pump, then the second walbro kicks on at 6psi boost. I have my second pump/line going all the way to its own inlet on the fuel rail crossover, never had any issues running almost 1000hp on e85 and stock rails. And that tank is beefier than you'd think. I put a good amount of torque on the 1/2"npt fitting while installing it with no sign of pulling the threads out.
05-30-2014, 01:24 PM
#52
Here's the issue...
Just as the stock pump location was starving me of fuel at the track...
this set-up is starving me of fuel on the street.
Stock required lots of fuel to prevent this at track...
this set-up requires lots of fuel to prevent this on street.
Any down-hill grade will run fuel away from the rear fittings...just as launch did with the stock bucket and sock.
* Thought about powering up the Walbro in stock location again and having current set-up on a switch.
* Thought of adding a pick-up extension of some sort to (1) of the current inline pumps that reaches near the front of the tank. (similar to joeyc125 below)
Thoughts?
I have kind of a similar setup. I drilled and tapped the rear of my tank for my second pump, except I ran my hose straight to the frame side instead of the driveshaft side. I'm still using a walbro intank as my main pump, then the second walbro kicks on at 6psi boost. I have my second pump/line going all the way to its own inlet on the fuel rail crossover, never had any issues running almost 1000hp on e85 and stock rails. And that tank is beefier than you'd think. I put a good amount of torque on the 1/2"npt fitting while installing it with no sign of pulling the threads out.
Last edited by Superado; 06-02-2014 at 04:13 PM.
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