300-350 hp in a 1996 12 valve 3500 - Dodge Cummins Diesel Forum
94-98 Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect...NO ADVERTISING

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post #1 of 51 (permalink) Old 04-11-2019, 12:17 PM Thread Starter
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300-350 hp in a 1996 12 valve 3500

Hey guys,

I am new to this forum, but read a lot of threads on here and decided to just post my own to get some answers.

I have a 1996 dodge ram 3500 5-speed 12 valve cummins. Only 150k miles on it, and everything about it is completely bone stock. I believe with it being bone stock for this year, it only pushes about 215 hp.

I know it is easy and completely doable to obtain 300-350 rwhp without doing too many modifications.

However, everywhere i look always has slightly different things to do and some say theres going to be weak links and others say there wont. I was hoping you guys could give me a good list of modifications to perform in order to achieve my 300-350 rwhp goal. I want the truck to remain a good reliable driver, just be able to have more guts.

Look forward to hearing all of your responses, thanks!!

Jake

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post #2 of 51 (permalink) Old 04-11-2019, 12:23 PM
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Only thing I canít comment on would be the AFC. I skipped a plate and added AFCL from PDD quickly. But my goals are shy of 700 when all said and done.

I would do a solid air filter. BHAFs are a nice quick, cheap upgrade. Lots of people run them. Just include a pre filter.

You COULD upgrade your injectors, but I donít think you have to considering what power level youíre looking for.

Biggest things would be an exhaust, air filter, and a plate of sorts. Then learn all you can about the IP. Lots of power you can get out of it. There should be a sticky here with ďfreeĒ mods you can do to the pump. I think itís in the beginnerís thread.


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1997 Cummins 2500; NV4500HD; SB DD; 315/75R16; Spohn Performance 3rd Gen Track Bar; 98-99HD Steering; 63/65/14; AFC Live; PDD 7mm DV's; 4 GSK; Mac Rack Plug;
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; PDD 5x.012; Colt Cam "Big Stick"; 60# Springs; PDD Stage 1 Push Rods; O-Ring Head; Head Studs; KDP Fix; Fluidampr; Boost/EGT/FP Gauges; BHAF

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post #3 of 51 (permalink) Old 04-11-2019, 12:24 PM
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Oh, and gauges. Because itís a 5 spd, Iíd do boost, EGT, and fuel pressure.


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1997 Cummins 2500; NV4500HD; SB DD; 315/75R16; Spohn Performance 3rd Gen Track Bar; 98-99HD Steering; 63/65/14; AFC Live; PDD 7mm DV's; 4 GSK; Mac Rack Plug;
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; PDD 5x.012; Colt Cam "Big Stick"; 60# Springs; PDD Stage 1 Push Rods; O-Ring Head; Head Studs; KDP Fix; Fluidampr; Boost/EGT/FP Gauges; BHAF

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post #4 of 51 (permalink) Old 04-11-2019, 12:30 PM
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Basic maintenance, gauges, then the "free" mods in that order. Check the stickies in the Performance board.

'95 2500 ECLB 4x4, 334k and paused due to epic transformation in progress.
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post #5 of 51 (permalink) Old 04-11-2019, 01:28 PM
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300hp is easy, you can do it with just replacing the stock plate with a #10 or #11, or several others. You don't need a 4inch exhaust, a different air filter or anything else. There are ways to optimize the added HP with timing, cat delete, straight thru muffler, muffler delete, a good air filter (BHAF is a generic term, they are no all created equally). The weak link, if you tow often, is the 5 speed.

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post #6 of 51 (permalink) Old 04-11-2019, 01:42 PM Thread Starter
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well my original post was a little misleading, i do have an aftermarket MBRP 4 inch turbo back straight pipe and a K&N air filter system. but thats what i have been reading, that the clutch may have to be upgraded to keeep up with the horse power upgrades? i definitely plan on doing some towing with it.

The recipe i have been considering is:
KDP fix
3000 GSK
BHAF
adjust the pre boost screw
turn star wheel
change fuel plate (not sure to which one yet im still learnign about it)
mack rack plug (first i ever heard of this in my research so still learning too)
boost elbow
gauges

and then this recipe also claims to upgrade the clutch... but i have no idea to what. i was looking at south bend and i guess upgrading it to a 400hp rated clutch would be fine? I assume this recipe is putting me somewhere around 300 horse?
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post #7 of 51 (permalink) Old 04-11-2019, 01:56 PM
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Have you confirmed your motor and pump or only assumed it’s a 215 because it’s a 96? Early 96 5spd trucks were 175 and late 96 5spd trucks were 215, if yours is the 215 I don’t believe you need a rack plug.

Clutches depend a lot on how you’ll use the truck and added power, and if you’ll be doing more upgrades down the road. I prefer Valair clutches as their customer service tends to be better then south bend but that’s personnel preference.

-1999 2500 white sport QCSB/NV4500/EMS free spins
-1997 2500 12v LWB 5spd, 1998.5 3500 P24V 5spd
-2016 MC Laramie G56 maximum steel, zero chrome
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post #8 of 51 (permalink) Old 04-11-2019, 02:04 PM
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That should do it. You could adjust the pump timing up a bit and add some more HP easily there too.

96 12 valve club cab lwb 2500 2wd 250k 3.55 gears, 265/75-r16, OFV at 30, no plate, AFC full fwd, HX35 at 35 psi boost, Timing~16.5, 5x11s, 2790 BHAF, Banks hi-flo muffler, 3.5" exhaust, Deleted prefilter & heater, mildly built 47re, billet single TC. KDPF
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post #9 of 51 (permalink) Old 04-11-2019, 02:18 PM Thread Starter
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nuljas23

i was assuming it was 215 because it was a 96. i guess i could check the vin to tell whether or not its an earlier or later model? or how would you go about it?
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post #10 of 51 (permalink) Old 04-11-2019, 02:19 PM Thread Starter
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cheeze

yeah i was reading in the beginners thread about adjusting timiing and what not. im guessing with all of the mods i listed above, i could also adjust the time and add a few more hp as well?
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post #11 of 51 (permalink) Old 04-11-2019, 02:24 PM Thread Starter
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nuljas23

as for the clutch, i do plan on using the truck for some heavy hauling, but not every day, i feel that a clutch upgrade might be necessary, more or less to have piece of mind when i am hauling.
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post #12 of 51 (permalink) Old 04-11-2019, 02:25 PM
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There’s a tag on the motor, I think on the timing case but the last 3 digits in a number sequence on your side pump tag will tell what it is

-1999 2500 white sport QCSB/NV4500/EMS free spins
-1997 2500 12v LWB 5spd, 1998.5 3500 P24V 5spd
-2016 MC Laramie G56 maximum steel, zero chrome
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