hi guys need help and info 24v vs 12v - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 10 (permalink) Old 05-05-2009, 11:00 PM Thread Starter
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hi guys need help and info 24v vs 12v

trying to make a decision on what model to buy a 1998 or 1999 12v or 24 valve dont know much either way would like truck as stock as possible also does the new diesel fuel work well in these older truck or do i have to make some kind of mods or whatever please give as much ionfo as you can will be buying soon, only pulling a 20ft boat occasionally and do alot of highway riding so mileage is important help
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post #2 of 10 (permalink) Old 05-05-2009, 11:32 PM
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If you've never owned a diesel before and/or don't feel like wrenching much. Get a 12v 5spd. I like 24v/autos, but you got to know how to own them. 12v/ 5spds are pretty much bullet proof.

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post #3 of 10 (permalink) Old 05-06-2009, 03:16 AM
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Quote:
Originally Posted by Phily View Post
If you've never owned a diesel before and/or don't feel like wrenching much. Get a 12v 5spd. I like 24v/autos, but you got to know how to own them. 12v/ 5spds are pretty much bullet proof.
if i were you, i would get a 12v. The 24v have a bunch of electronics and as I have found, they seem to have a couple more issues. With the 12v, you should just get the KDP (killer dowel pin) tabbed and if its a 5spd..get the 5th gear nut fixed. With the 24v, you should get some sort of fuel pressure gauge to make sure ya got enough fuel pressure to the VP44 injection pump. Personally, I would much rather own a manual than an auto, but i like rowin through the gears.

Greg
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post #4 of 10 (permalink) Old 05-06-2009, 03:33 AM
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24V

I am not much of a wrench and I think what these guy,s are saying is true; however look into
modifications to increase power and mileage and you may find more or maybe easier options
on the 24V trucks. I do a bunch of snow driving so look into your anti-skid options [it is a
good thing for a pickup to have].
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post #5 of 10 (permalink) Old 05-06-2009, 04:34 AM
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Quote:
Originally Posted by road runner View Post
I am not much of a wrench and I think what these guy,s are saying is true; however look into
modifications to increase power and mileage and you may find more or maybe easier options
on the 24V trucks. I do a bunch of snow driving so look into your anti-skid options [it is a
good thing for a pickup to have].
That is true 24v's do great on mileage, especially after mods like Mileage Max, RV275s, and things to make it breath better. The High Outputs do even better, some being known to top 30MPG.

I'd still recommend a 12v 5spd to a new owner. He is most likely looking for 4x4 too and the 94-97 had 30 spline inners so he could slap a cable actuated locker for added traction in 4x4, which I believe would be great considering all the weight of these trucks is on the front axle.

Don't get me wrong, I'm in love with 98-02 24v, and the Standard Outputs are the best sounding truck on the road. But, I just look back at all the years I've owned dodge diesels and a 12v 5spd 4x4 would have saved me so much headaches.

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post #6 of 10 (permalink) Old 05-06-2009, 12:47 PM
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The best benifit imo w/ the 24v's is that you can adjust HP w/ a box (unless you go crazy ) I also don't know where you are located but around me a good sound 12v is hard to find, and a 5 speed is harder. Of course I do live in an area where Dealerships usta custom grind plates b4 they went off the lot

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post #7 of 10 (permalink) Old 05-06-2009, 01:49 PM
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I tend to follow the 24V crowd more... I like the adjustability of the 24V from the cab, dynamic timing that is controlled by ECM, etc... Less wrench time more drive time...Like myself I like the ability of controlling the horse power from the cab so as road conditions change I can select another power level and continue on. 12V you got to break out the tool box...

If you going to bring up the fact VP44 pumps are weak and fail alot well that not totally true either. I'm head for 96K miles and still going on the pump no problems. It had a 3 year diet of 2 cycle oil and still doing good...
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post #8 of 10 (permalink) Old 05-06-2009, 05:16 PM
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Quote:
Originally Posted by Mopar1973Man View Post
I tend to follow the 24V crowd more... I like the adjustability of the 24V from the cab, dynamic timing that is controlled by ECM, etc... Less wrench time more drive time...Like myself I like the ability of controlling the horse power from the cab so as road conditions change I can select another power level and continue on. 12V you got to break out the tool box...

If you going to bring up the fact VP44 pumps are weak and fail alot well that not totally true either. I'm head for 96K miles and still going on the pump no problems. It had a 3 year diet of 2 cycle oil and still doing good...
You know how what to look for in fuel pressure and how to make them last long.
The average joe isn't going to know what you know and a VP44 can leave you stranded too. I'll never own a 12v, but they aren't a bad idea for a person who isn't familiar with Diesels.

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post #9 of 10 (permalink) Old 05-07-2009, 08:58 PM
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Been running the same 12v for almost 8 yrs. The engine and the truck as a whole, has been virtually trouble free. GREAT package.

Have only had the "new" truck for about 2mths or so. So far, so good. The 24v starts better in the cold. Sounds like I do need to replace the fan clutch on the 24v though. Hear the fan roar when it shouldn't be.

The adjust on the fly with the electronics is nice, but I just control the power with the right foot on the '97. Snow, ice or wet roads, no de-tuning at all. Just run it. Go easy on the skinny pedal, and you'll be fine. Get stupid with either, and you'll be in trouble, either way.

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Last edited by bmoeller; 05-07-2009 at 09:02 PM.
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post #10 of 10 (permalink) Old 05-08-2009, 12:53 PM
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Quote:
Originally Posted by bmoeller View Post
The adjust on the fly with the electronics is nice, but I just control the power with the right foot on the '97. Snow, ice or wet roads, no de-tuning at all. Just run it. Go easy on the skinny pedal, and you'll be fine. Get stupid with either, and you'll be in trouble, either way.
Maybe you should teach my buddy that...

He's always getting his 1992 Dodge stuck in the snow or mud...
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