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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

got a 97 with all the stuff in my sig. but the only problem with it is when i rev it up at about 2600 to 2800 rpm it blows white smoke and pops like its back fireing. Whats my problem and how do i ... JOIN NOW TO REMOVE TRACER

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  #1  
Old 12-06-2009, 12:35 AM
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Default In need of some help

got a 97 with all the stuff in my sig. but the only problem with it is when i rev it up at about 2600 to 2800 rpm it blows white smoke and pops like its back fireing. Whats my problem and how do i fix it? all input is good thanks yall

jake 94's Sig:99 CTD QCLB Edge juice with attitude, 150hp sticks, AFE, AFE blade runner, MBRP 4 inch duals,Boost Fooler, Auto meter Trans and Boost, BD lift pump-Fixed but still POS, levelled, 35" mountaincats
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  #2  
Old 12-06-2009, 12:38 AM
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Did you put a governor spring kit in it yet?

Hammer's Sig:1998 Dodge Ram 2500 4x4 12v 5spd Quad Cab
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Old 12-06-2009, 12:45 AM
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no havnt done that yet but its on the list dont have a lot of money rite now
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  #4  
Old 12-06-2009, 12:59 AM
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You will not get the truck to rev above 2600 with any type of authority without the governor springs.
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Old 12-06-2009, 01:37 AM
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but that still doesnt answer my question. do u no wuts wrong? or if i get governer springs will it go away?
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  #6  
Old 12-06-2009, 07:44 AM
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Originally Posted by jake 94 View Post
but that still doesnt answer my question. do u no wuts wrong? or if i get governer springs will it go away?
"you know whats" Sorry that drives me nuts
I agree, gov springs, I put 4k in my 94 and it can go up 3700 no prob, My stock 95 cant rev over 2300.
Sounds like your pouring the fuel to it, but it has nowhere to go so its smoking and popping. Maybe advance your timing some too

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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  #7  
Old 12-06-2009, 09:08 AM
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i would say timing check the timing

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  #8  
Old 12-06-2009, 12:18 PM
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i would say timing check the timing
WHY???.....

This is a stock pump without governor springs it will not rev past 2400-2600 without defueling and doing exactly what he has described.

jake...
Your question was answered by me.
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  #9  
Old 12-06-2009, 02:31 PM
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They will free rev past 2600. I say its low on timing mine did the same thing before I advanced my timing to 19, now it's fine.

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Old 12-07-2009, 12:34 PM
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How hard is it to install the 4k gsk? do i have to take it to th eshop or can i do it? and i was thinking about taking my fule plate out and just running no plate thoughts on that plaese. and timing is that hard to change? i just dont have the money really to take it to a shop to have it done
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Old 12-07-2009, 12:59 PM
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GSK isn't bad. There are instructions around just do a search. Timing will take special tools and you can get a kit on eBay for around $150 but you'll need to get a delivery valve socket as well which is another $40 or so. You can run plateless if you tune the AFC but I prefer to run a 100 or 0 plate just to give the rack a stop.....There are plenty of guys that run plateless but I'm not to fond of it. With a 100 or 0 the AFC will control the low end fueling and be out of the way for the upper RPM power.

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Old 12-07-2009, 02:32 PM
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Running a 0 full forward is the same as no plate.
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Old 12-07-2009, 02:44 PM
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Exactly.....but it does give me a warm fuzzy feeling of having a rack stop. Of course then you can add a Mack plug and gain some extra rack travel......
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Old 12-07-2009, 03:14 PM
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Originally Posted by Dusterb318 View Post
Of course then you can add a Mack plug and gain some extra rack travel......

I can't unless I get some flat tops.
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  #15  
Old 12-07-2009, 03:16 PM
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Flat Tops?
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