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Installed piston lift pump and big banjo bolts today!

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Old Apr 1, 2006 | 08:41 PM
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Installed piston lift pump and big banjo bolts today!

Well the that cold spell we has passed and I think it was around 70 F today. That means in a week it will be 100 F .

I just finished the cold air stock pot for my BHAF. More on that later. Thanks BC847

And I just dropped the new pin in the pump. Where did that little washer go?

So, I decided to switch out the original lift pump to the piston pump before it gets too hot outside and I start bombing too heavily. For anyone pondering the swap it's a piece of cake, the worst part was clearancing the sound deadener on the tappet cover (dremel tool did wonders here!). I installed a pair of high flow banjos and installed the upgraded rod end kit on the pump while I was at it.

First thing I noticed after the install was that the engine quit its old 25-50 rpm surging at idle. After a quick check for leaks it was time for a drive. Once the engine warmed I stopped on a quiet stretch of highway north of Lincoln, and took a fairly hard launch in second gear. The cummins awoke with the most response ever and when I let off at 2700 RPM (which it would never hit before) and asked the south bend for third.... The H1C barked for mercy . When I looked in the mirror the side of the highway was enveloped in a disapating cloud of smoke that marked my trail. Keep in mind I haven't changed the governor spring or 230,000 mile stock injectors yet.

Tomorrow I'm porting and assembling the ATS 3 piece manifold. As soon as my friend gets done with the custom made 4" stainless steel downpipe , it's time to drop the HX35W on . Then in goes the 354 governor spring and the 60# exhaust springs . The emergency engine stop cable and modded shut down solenoid, thanks wannadiesel, is coming soon as well. Hopefully I can swing a set of injectors before the pickup pulls this summer!
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Old Apr 1, 2006 | 08:49 PM
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It's amazing what that little VE will do if you supply it with fuel.

Be careful with a Dremel when trimming the insulation. The return line out of the pump runs awfully close to the top of the insulation, and you wouldn't want to put a hole in it.

My shutdown solenoid is still holding up after 6 months. I am about ready to call it a permanent fix.
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Old Apr 1, 2006 | 09:06 PM
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The VE is WAY UNDERATED

I didn't have any trouble getting near the return line with the dremel. Just took my time and kept the speed on 2, it cut that deadener like a hot knife goes through butter.

The solenoid fix looks like it will work, I have the new solenoid here and will rework it before it goes in. I referenced some of the bosch diagrams for the solenoid. It appears that the little cup that is in the bottom of the original plunger gets a trench milled out at higher delivery rates. Flattening/radiusing it would appear to cut the effect down.
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Old Apr 1, 2006 | 09:12 PM
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I think the main benefit is removing excess material, which makes the tip stiffer so it's not as east to tear off a chunk.

OK, I'm done hijacking now.
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Old Apr 1, 2006 | 10:33 PM
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Make sure you trim that 354 spring to stock gov spring length before install.
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Old Apr 3, 2006 | 07:46 AM
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stillsmokin, did you order your lift pump and parts from anyone locally? (lincoln) I just bought a first gen and I am looking for someone to get cummins parts from. Also are you going to do the gov spring or have someone do it. I really would like to have mine done but opening up the pump scares me a bit. LATER
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Old Apr 3, 2006 | 10:14 AM
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Originally Posted by bgilbert
Make sure you trim that 354 spring to stock gov spring length before install.
What happens if you don't do this?
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Old Apr 3, 2006 | 12:14 PM
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From: Terre Haute,IN
Originally Posted by lovemysan
What happens if you don't do this?
You won't get the most potential out of it. It's longer than stock. It will bottom out inside the pump. You can work around it, but you'll lose more than what you'd gain. It's simple, after you remove the stock spring, compare them, cut off a few coils from the long spring, form a new end, and your good to go. Once done, you'll end up with a 'til you let off' gov spring, not 4200rpm.
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Old Apr 3, 2006 | 04:29 PM
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From: New Holland, PA
Originally Posted by 440forPOWER
stillsmokin, did you order your lift pump and parts from anyone locally? (lincoln) I just bought a first gen and I am looking for someone to get cummins parts from. Also are you going to do the gov spring or have someone do it. I really would like to have mine done but opening up the pump scares me a bit. LATER
If you go to Cummins' website you can find your local distributor. All of them take phone orders and will your order to you in a couple days for most parts. When I order from Cummins Power Systems in Harrisburg, PA, the stuff is usually here the next day.
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Old Apr 3, 2006 | 04:35 PM
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Please, what's the "upgraded rod end kit on the pump"? The lift pump or the injection pump?
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Old Apr 3, 2006 | 04:45 PM
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That's the link from the bellcrank to the throttle lever on the pump. The stocker has plastic ball ends, the Cummins piece has metal ones.
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Old Apr 3, 2006 | 05:26 PM
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Oh, Right!! I used to work for a dude ranch/summer camp. We bought a '94 2nd Gen out of the show room right when they came out. Those plastic ends wore out in about 12 months! I think my 92 still has the plastic. Next time I'm at Cummins I'll pick one up. Thanks!
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Old Apr 3, 2006 | 06:48 PM
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The cover that needs to be cut is plastic for all those who didn't know. It is very easy to cut with a razor blade, utility knife or just about anything that will cut plastic. I think using a dremel or any other power tool in there would be taking a chance with the upper return line.
I just more than installed mine and seems a little more peppy, but not much. Then again i'm stock right now, too.
Brent
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Old Apr 3, 2006 | 08:40 PM
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You guys are going to put me in the poor house, or at least the doghouse .

I was pretty happy with the power, but now I want to be able to burn them at will and at any speed like my HEMI Road Runner used to. I'm doomed!

End hijaak
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Old Apr 4, 2006 | 02:23 AM
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I hope you were kidding about the washer, I cant believe no one has responded.
That washer goes under the pin and controls full fuel at full throttle. without it you will not have full fuel at full throttle.
Im not sure about the 354 spring but it must be more than 3200. at this point you dont need to rev nearly that high with a VE pump.
I put 948 Lb Ft of torque at 1700 RPM when my clutch started slipping. The VE wont go that high without huge mods.
I would concentrate on Bigger turbo and bigger aftercooler.
I have the big banjos, the piston lift, ported and polished head and an HTT turbo, PODs and an 03 Aftercooler.
I just need more Clutch
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