hey i got an issapro fuel pressure gauge as a early xmas present from my girl. i was wondering wheres the best place to tap into to run a line to my gauge. and whats good numbers for my 12 valve to have with the stock lift pump. thanks and merry christmas.

navalseabee's Sig:

smoke is bad for the enviroment.....and the white Prius hybrid beind me!!!

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Take the banjo bolt out from teh P-7100 inlet. Drill it with a size R bit and tap with a 1/8" npt tap, get the appropriate fittings and a needle valve. Run the needle valve barely cracked - this is to dampen the pressure spikes from the injector pump and save your guage. Installation should look like this:

Dr. Evil's Sig:

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98 12V quad cab 4X4 AND 2001 24V quad cab 4X4

Agree Dr Evil, Except once you tap into your bolt use use an 1/8 npt to (I think 4AN??) and tie into an autometer Isolater. This prevents the gauage spikes, and keeps all your fuel under the hood, not in your cab. I have one and its a little touchy getting hooked up but take your time and read the instructions, and it will work great. I mounted mine on the steering column in a nice little pod. The last place you want fuel if you get in an accident is in your cab dripping on you, especially if it catchs fire.

---AutoMerged DoublePost---



The little brass thing w/ the stainless tube is the isolator.

STUMPMAN's Sig:

94 4x4 automatic, Billet input shaft, twin disc torque converter, BD valve body, Gauges, 4"DP-5" exhaust, kdp kill,TC lock-out switch,Suncoast loc-up control,BHAF, S-300, DSS, Mag-Hytec front & Rear diff,trans cover, DDP 140 injectors,DDP DV's, ported exhaust manifold,70lbex. springs, 100 fuel plate, 4k spring kit, CFM+ Intake,FASS, O-ringed, arp studs, fuel press gauge, 18" Moto Metel 951, Road Armor bumper, 9500 winch,1995 2500 4x4

I used a 24V truck tapped banjo bolt and that fits right into the top of my FF housing on the outlet line. I used that for a long time until I put the FASS on. with a stock LP and OFV you should see 17-20psi at idle and up to 30psi when the R's come up.

PhilipR's Sig:

-Phil-98 Dodge Ram 2500 4x4,12V,47RE Suncoast Billet input shaft, Suncoast H/D Extreme Trans kit, Goerend Triple disc converter, FASS 150/90, FASS Suction tube, Amsoil Ea air and pre-filter, 100 plate, 4K GSK, 370's, AFC Mods, CoolerTubz intake, 5" stacks, BD-SBS, Autometer Z-series Pyro/Boost/Trans/FP, Amsoil front to back.

". Drill it with a size R bit and tap with a 1/8" npt tap"

what exactly is an "r bit." im at a loss for that one. and where do i find the autometer thing? thanks guys........i just look the di pricol fuel pressure gauge kit comes with this isolater, will this work the same as the brass auto meter one?

An R bit is 0.3390 inches. This is the proper drill size for a 1/8" NPT tap. But, you could probably get away with using an 11/32" bit (0.3438), it's the closest fractional equivalent and found in most standard drill bit sets.

daveO's Sig:

98 Cummins 12v, QC, SB, 2wd, timing set to 17*, DTT 47RE, K&N FIPK 2, HTB2 62/14, ATS Arc-Flow intake, ATS Pulse Exhaust manifold, DDP High Flow Delivery Valves, DDP Stage 2 75hp injectors, 3k RPM GSK, TST #6 Plate full forward, AFC springs, AFC full forward, HX40 Style Downpipe to dual 5" Grand Rock Aussie stacks, Autometer Phantom II 2000* Pyro, 60 llb boost, trans temp.

Here ya go. Isolator-
Auto Meter 5282 - Auto Meter High Pressure Gauge Isolators - Overview - SummitRacing.com