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12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

my buddies 1996 cummins with a 180 pump and my truck with a 180 pump both have this ticking in the lift pump. is this something to worry about or is it just something some of em do? thanks in advance!... JOIN NOW TO REMOVE TRACER

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  #1  
Old 12-19-2009, 06:31 AM
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Default whats up with the ticking lift pump!?!

my buddies 1996 cummins with a 180 pump and my truck with a 180 pump both have this ticking in the lift pump. is this something to worry about or is it just something some of em do? thanks in advance!

powermad's Sig:1997 dodge cummins sport, fully built 5 speed swap, afe intake, 62/65/13 turbo, ats 3 piece manifold, #10 fuel plate, 3000gsk, 3" carli suspension.
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  #2  
Old 12-19-2009, 07:36 AM
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mine did that when it was goin bad. got a new one n it went away

cummins95's Sig:95 dodge ram 2500 rc lb 4x4, nv4500 swap, southbend 3250 dual disc, rough country 2.5" leveling kit. no plate, starwheel cranked, 4k GSK, afc forward, wastegate semi restricted, bhaf, primeloc remote fuel filter, 4in dp to 5in straight pipe with 5 inch black stack, 2095 mack rack plug.
2001 sterling triaxel dump truck. 600 horse N14 Cummins, 8LL transmission
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  #3  
Old 12-19-2009, 07:49 AM
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The springs are getting weak in it and they aren't controlling the valve and the ticking is the valve hammering the seat.....he should get a new one on order. THey can run a long time after ticking but it's a crap shoot.....

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.
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  #4  
Old 12-19-2009, 08:25 AM
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whos should i go with? who has the best warranty?
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  #5  
Old 12-19-2009, 08:27 AM
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I asked the same question almost 10 years ago when I bought mine. A trusted online member told me sometimes they tick, sometimes they don't. Haven't touched it and still no problems 160k later.

tpcdrafting's Sig:'98 12 valve QC SB 2500 HD 5 speed 4x4: Custom plate, 3K GSK, Industrial Injection 62/80, 4" Pac Brake, Rips 4" Exhaust, Southbend Con OFE, BW Turn-over-ball.
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  #6  
Old 12-19-2009, 08:40 AM
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Fass or AirDog

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
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Old 12-19-2009, 08:49 AM
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If he's going to keep the truck stock then a stock LP will do and you can get one from Geno's garage or go to Cummins. If you aren't going to keep it stock then I would upgrade to a FASS and call Kenny at Ken's Performance to get you all set up. It will make fuel filter changes much easier as well.
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  #8  
Old 12-19-2009, 03:33 PM
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im not going balls out like i did with my old truck. i just want a mild runner that is reliable. im not shooting for big power just 300-350 smokeless horsepower. i dont think im going to bother getting a airdog etc.. i think a stock replacement will suit me fine.
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  #9  
Old 12-19-2009, 08:38 PM
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1994-1998 Dodge 12V Cummins Mechanical Lift Pump Cummins 4988747

---AutoMerged DoublePost---

there you go!

monster12valve's Sig:94' 2500 4x4, 5in mbrp to 8in black stack , bhaf, no plate, afc tune, isspro gauges, 4k gsk, 60lb valve springs, ATS intake manifold, tc lock up switch ... NEXT MOD- full built trans.
THANKS TO BBD DIESEL PERFORMANCE!!!

Last edited by monster12valve; 12-19-2009 at 08:38 PM.. Reason: Automerged Doublepost
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  #10  
Old 12-20-2009, 02:39 AM
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are they easy to install? i know on my vp truck i can change the supply pump in 20 minutes...
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  #11  
Old 12-20-2009, 06:41 AM
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yea its not bad.
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  #12  
Old 12-20-2009, 06:46 AM
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its a 25 minute job

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