Attention: TDR Forum Junkies Can someone please give me some ideas? Here's what I have, and what I have done:
My ride: 2001 CTD quad cab LB, 4X4, auto trans. Added Banks Power Pac unit, with 2 additional gauges, engine and trans temp.
After awhile I added the auxillary fuel pump (Carter) Says it will deliver 100 GPH. Seemed like everything was OK, then decided to add the small LED "Low fuel pressure lite" in the gauge pod. In WOT, lite would start to flicker, then glow solid red.
Removed all banjo bolts, put each one in the milling machine, and opened up each cross drilled hole (4 places) by milling a very small rectangle, instead of just drilling out larger. Also took the slip over hose ends of the banjo fittings, and opened them form about . 160" dia to close to . 250" dia.
I finally put on ( temporary set up) a 0 to 15 psi mechanical gauge ALONG WITH the 5 psi pressure switch. The banjo bolt going into the injection pump is threaded 1/8" npt, so installed an 1/8" T, plus an 1/8" street elbo, so I could get 2 pick up places.
Carter aux pump is started after oil pressure hits 20 or so pounds (it's on it's own pressure switch). The fuel guage pegged out the 0 to 15 gauge. Changed out the gauge to a 0 to 30 psi gauge, and fuel pressure at idle is about 29 pounds + or -.
Heres my problem: Now that I have both LED lite and gauge, when at WOT, the fuel pressure NEVER goes below 15 psi, BUT the LED lite will come on !
I just ordered from Geno's Garage, the Priclo 0 to 30 mechanical fuel pressure gauge, for a permenante installation. Also purchased the isolator kit. I wanted to put all gauge's in front on the dash, but no one makes a 5 gauge pod, so purchased a single pillar mount to install the FP gauge.
Is there a "venturi effect" that brings the 5 psi pressure switch down ?
Is there a different way to plumb both the pressure switch AND pick up point for mechanical guage ?
Would I have to drill and tap banjo bolt for 1/4 NPT, use 1/4" NPT fittings, and bush down to 1/8" NPT for pressure switch ?
I don't believe I need the FASS system, as the I. P. seems to be getting all kinds of fuel. BTW, I had an instrumentation tech check out my pressure switch, he found it holding to within 1/2 pound. So now what ?
I would appreciate any and all comments or ideas.
Reguards,
Peter
My ride: 2001 CTD quad cab LB, 4X4, auto trans. Added Banks Power Pac unit, with 2 additional gauges, engine and trans temp.
After awhile I added the auxillary fuel pump (Carter) Says it will deliver 100 GPH. Seemed like everything was OK, then decided to add the small LED "Low fuel pressure lite" in the gauge pod. In WOT, lite would start to flicker, then glow solid red.
Removed all banjo bolts, put each one in the milling machine, and opened up each cross drilled hole (4 places) by milling a very small rectangle, instead of just drilling out larger. Also took the slip over hose ends of the banjo fittings, and opened them form about . 160" dia to close to . 250" dia.
I finally put on ( temporary set up) a 0 to 15 psi mechanical gauge ALONG WITH the 5 psi pressure switch. The banjo bolt going into the injection pump is threaded 1/8" npt, so installed an 1/8" T, plus an 1/8" street elbo, so I could get 2 pick up places.
Carter aux pump is started after oil pressure hits 20 or so pounds (it's on it's own pressure switch). The fuel guage pegged out the 0 to 15 gauge. Changed out the gauge to a 0 to 30 psi gauge, and fuel pressure at idle is about 29 pounds + or -.
Heres my problem: Now that I have both LED lite and gauge, when at WOT, the fuel pressure NEVER goes below 15 psi, BUT the LED lite will come on !
I just ordered from Geno's Garage, the Priclo 0 to 30 mechanical fuel pressure gauge, for a permenante installation. Also purchased the isolator kit. I wanted to put all gauge's in front on the dash, but no one makes a 5 gauge pod, so purchased a single pillar mount to install the FP gauge.
Is there a "venturi effect" that brings the 5 psi pressure switch down ?
Is there a different way to plumb both the pressure switch AND pick up point for mechanical guage ?
Would I have to drill and tap banjo bolt for 1/4 NPT, use 1/4" NPT fittings, and bush down to 1/8" NPT for pressure switch ?
I don't believe I need the FASS system, as the I. P. seems to be getting all kinds of fuel. BTW, I had an instrumentation tech check out my pressure switch, he found it holding to within 1/2 pound. So now what ?
I would appreciate any and all comments or ideas.
Reguards,
Peter
