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1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

ok, i need someone near san antonio who knows how to properly adjust the ve pump on these trucks. when i got it, someone had just "turned up" the screw all the way, truck smokes like a freight train till there's boost. ive been reading ... JOIN NOW TO REMOVE TRACER

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  #1  
Old 07-16-2007, 08:58 AM
wyoranch's Avatar
Diesel Enthusiast

   

Default Help needed near S.A. tweaking a VE pump

ok, i need someone near san antonio who knows how to properly adjust the ve pump on these trucks. when i got it, someone had just "turned up" the screw all the way, truck smokes like a freight train till there's boost. ive been reading that there are several different adjustments needed to make the truck run well throughout the rpm range, and im willing to pay someone to do it for me, i dont have time to learn how.

wyoranch's Sig:'03 quad cab 4x4 swb laramie.
Superchips flashpaq. Full gauges. Billet tranny. S&B cold air intake

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  #2  
Old 07-16-2007, 10:22 AM
Begle1's Avatar
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Well, I can't show you how in person, but I'm willing to bet that if you were to take an hour or two to familiarize yourself with it you'd be surprised at how simple it is.

If you have lots of low-end smoke, I'm willing to bet that it is the smoke screw that's turned, and that's the eaisiest thing to turn down. There's a half-inch circular black cap on the top of the pump; you pry it off with a couple small screwdrivers. Then there's a torx screw in it; that's the smoke screw. Back it all the way out to see if smoke decreases. It's should take about 10 minutes on a bad day.

If that doesn't work, then you'd need to get more in depth.

Begle1's Sig:A custom-made electro-digital-hydraulic water injection system with a 1990 D-250 wrapped around it that on a good day might break 15 seconds in the quarter.
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Old 07-16-2007, 11:33 AM
cashwheel's Avatar
Bolt On Warrior
Status: ....ehh

   
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Hey wyo, I've played alittle with the smoke screw on my buddies, and that is the way people in our neck of the woods like to "turn the truck up", I'm no expert but hell I'll be happy to help out, I bet about half way through a twelve pack we could have her figured out. Just let me know

cashwheel's Sig:'04 Dodge CTD Triple Nickel 3500 4x4 DRW NV5600 QC Laramie - 62/65/12, Bully Dog tuned by CT Performance, Quad boost fooler, Opie's Mitusa, Hamilton Cams 110# springs, Speedhut bst, egt, rp, fp gauges,DPP Cool hose, Vulcan big line, Banks Techincooler, Diesel Dawgs IC boots, 19.5's, flex-a-lite fan kit, 3.5 strait pipe, BD intake, some recon led's
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  #4  
Old 07-16-2007, 12:13 PM
Cowboy_Customs's Avatar
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Status: Got head..... gasket replaced

   
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I wish I could help ya out, but I'll shoot ya a couple links that may help though.

Your cummins bible:
http://dodgeram.org/support_pgs/diesel_ix.htm
The more power link will give u some idea where to start.
I agree with the smoke screw, if its merly low end where your not getting much boost. Also, give your star wheel a few turns, UP (counter clockwise) What it does is allow the fuel to come on faster with less boost. If its bottomed out give quite a few full turns up. Maybe just do this instead. Bottom it out on purpose (clockwise) keeping track of how many turns it took, just for a reference, then turn it back where it was, plus maybe 2-3 turns. This is all very simple, and might take 1/2 hour to an hour of your time.

If these dont work, your probably going to be looking more in depth, like the fuel screw.

Man I wish I was down your way, I would gladly help ya out!

Cowboy_Customs's Sig:'95 Dodge 3500 SLT Laramie NV4500 4.10LS Chevy cyl's flatbed Pacbrake 60# springs timed and tweeked Bilstein HD's 19.5's Lukes link 309K on the ticker
http://community.webshots.com/user/Cowboy_Customs
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