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Author Topic: Addicts 1998HD Cummins build  (Read 4572 times)

3500HD addict

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Addicts 1998HD Cummins build
« on: March 13, 2015, 10:29:29 PM »

From the start, got the truck in August of 2013 clean overall. The truck has 186.000 miles on original 6.5L hard to believe, still runs smooth and reliable but just not enough power for me. (And it don't have a bed on it yet) so that problem is being addressed.


Here it is when I went to pick it up.
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1998 C3500HD getting a 5.9 Cummins in process

3500HD addict

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Re: Addicts 1998HD Cummins build
« Reply #1 on: March 13, 2015, 10:32:25 PM »

I like the interior of this one as most are work truck only models.
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1998 C3500HD getting a 5.9 Cummins in process

3500HD addict

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Re: Addicts 1998HD Cummins build
« Reply #2 on: March 13, 2015, 10:40:59 PM »

First thing I done was re painted the frame  and some cleaning. Then drug out a set of alcoas that I had bought for my 95 that I had. Went to work on them a lotta beer n sweat involved in that.
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1998 C3500HD getting a 5.9 Cummins in process

3500HD addict

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Re: Addicts 1998HD Cummins build
« Reply #3 on: March 13, 2015, 10:50:29 PM »

Time for engine replacement, done some searching for a while, came up with a 96 dodge cummins dually that had a abusive life. Got it cheappppp just wanted the motor only..
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1998 C3500HD getting a 5.9 Cummins in process

3500HD addict

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Re: Addicts 1998HD Cummins build
« Reply #4 on: March 13, 2015, 10:56:22 PM »

After pulling the motor done some more pondering on what all needed to be done and what didnt.
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1998 C3500HD getting a 5.9 Cummins in process

3500HD addict

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Re: Addicts 1998HD Cummins build
« Reply #5 on: March 13, 2015, 11:04:19 PM »

On the engine I kept going back and fourth on to leave it alone or go thru it.. So long story short I took it all the way down.
« Last Edit: March 14, 2015, 06:35:45 PM by 3500HD addict »
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1998 C3500HD getting a 5.9 Cummins in process

3500HD addict

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Re: Addicts 1998HD Cummins build
« Reply #6 on: March 14, 2015, 07:20:01 PM »

 After taking the internals to the machine shop everything checked out good. Put new bearings and rings in and reassembled bottom end then got to thinking again. 180hp would that be good enough for me, nope so back to the drawing board again,

Ended up going with ARP main studs, ARP head studs, Hamilton 188/220 cam, 5x12 injectors, having injection pump rebuilt plus upgrades, getting a new Holset HX Super 40 built, a few Banks parts then started putting back together.
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1998 C3500HD getting a 5.9 Cummins in process

3500HD addict

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Re: Addicts 1998HD Cummins build
« Reply #7 on: March 14, 2015, 08:11:14 PM »

After the engine it was on to accessories. First thing was I wanted to get rid of the vacuum pump and have just power steering pump. Got a adaptor from a cummins 4bt engine and a new ac delco power steering pump, for the 98HD and bolted right together.
Next was A/C and alternator, I've read that they is room for the dodge mount but wanted to free up some room at the bottom so I went with the mid mount setup from a F700 5.9. Found a rebuilt sanden U4474 compressor for a good price.
Alternator was from F700 truck had it rebuilt and wired for GM style wiring.
The problem with the medium size truck mid mount brackets is the centerline of the pulleys are 1 groove different than the dodge stuff so that has to be careful choosing.
Transmission... Don't have one yet but I know what I want, got everything but the gearbox. Fuller FSO6406 or FSO8406.
Flywheel, flywheel houseing, clutch, starter all from a F700. Had the flywheel re ground looks new, starter rebuilt same again.

For those who has done this swap knows it doesn't happen overnight, and the part of funding this kinda project can get into the wallet in a hurry. So that being said I'm into the engine for three months now and haven't got into the truck yet. But with warmer weather and longer daylight hopefully I can get on with it.
More pics to come soon...
« Last Edit: March 14, 2015, 09:34:42 PM by 3500HD addict »
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1998 C3500HD getting a 5.9 Cummins in process

Raymo

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Re: Addicts 1998HD Cummins build
« Reply #8 on: March 15, 2015, 07:54:01 AM »

Very nice!
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'94 3500-HD, Cummins, Getrag, NP205. Shortend rear frame with a Pickup Bed. Dana 60 front, stock 80 rear.

'03 2500-HD 8.1 and Allison

ED-NY

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Re: Addicts 1998HD Cummins build
« Reply #9 on: March 15, 2015, 12:17:55 PM »

Very nice and clean...
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KODIAK

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Re: Addicts 1998HD Cummins build
« Reply #10 on: March 15, 2015, 11:07:41 PM »

X 2
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KODIAK

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Re: Addicts 1998HD Cummins build
« Reply #11 on: March 15, 2015, 11:15:36 PM »

Nice cab you don't see Many full power like that  Is that a wrecker pkg ?If so it may have duel piston brake cal
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3500HD addict

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Re: Addicts 1998HD Cummins build
« Reply #12 on: March 21, 2015, 09:31:17 PM »

U know I haven't payed any attention to the calipers, it did start life as a roll back with a JerrDan aluminium bed. It does have a neat switch that ups the engine rpm to 1100 rpm, but I guess I will lose that feature with the Cummins. If I do need it I could make a manual throttle pull.
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1998 C3500HD getting a 5.9 Cummins in process

KODIAK

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Re: Addicts 1998HD Cummins build
« Reply #13 on: March 22, 2015, 11:13:15 AM »

IF you want to put the duel piston calipers on they will bolt on  &  You will like the big change in Braking  day & nite difference  :)
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3500HD addict

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Re: Addicts 1998HD Cummins build
« Reply #14 on: August 26, 2015, 09:49:39 PM »

Little update.. Motor has been done awhile, too much going on with work. Got front end off, then old6.5, took cab off then tweaked the crossmember some. Got spare block and FSO8406 bolted together and set in right alignments, reset the cab three times a little mild bending of the pinch welds trimmed hole in floor board and it fit like a glove!!
Next build a trans xmember and weld in motor mounts and so on.
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Life is what happens while your busy makeing other plans.
1998 C3500HD getting a 5.9 Cummins in process
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