12v or 24v 2nd Gen?

[CumminsTwinRoaler59]

I will be buying a 2nd gen cummins soon, and still not sure if i want a 12v or 24v. It will mostly be my DD but im looking at 600-800hp, itll see the drag strip every once in awhile but mostly DD, any thoughts or opinions on helping me decide?

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[Polaraco]

MMMM Hard call

The 12 valve is simpler as it's not electronic controlled. But for some money, you can accomplish your goal. The 24 Valve is electronic and easier to push 500 out with just the electronics and some hardware changes.

The 12 Valves are going to be less expensive for parts, but you'll need to make more changes. It will also cost less to buy.

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[Polaraco]

How rude of me

WELCOME!

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[IGOTACUMMINS]

I say 12v! Welcome!

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[CumminsTwinRoaler59]

Thanks glad i joined, 12v? reasons?

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[Polaraco]

12 Valves are allot simpler engineering. You just have to make more hardware upgrades

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[CumminsTwinRoaler59]

are hardware upgrades more expensive? i know 24v more modern/eletronics but the p-pump is where you can get some real power.

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[Polaraco]

I'm not sure on that. You have to poke around

You need to do injectors if you do a pump. That's expensive too. A 2003 HP is 305 HP stock. Cold Air Filter, exhaust, air horn, intercooler upgrades will give you 30 to 50HP before you touch the electronics. A decent tuner will give you 150 HP. (So they say) So we're up to 500 already. Throw some sticks in and a pump and now you're up to 700.

You'll need to think about transmissions and clutches too.

Are you sure you want 800? In a 24V that 1500 Lb of torque!

For a daily, that's nuts

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[F350Cummins]

1st off Welcome

2nd I have been dabbling with both recently. Steve's 24V and my 12V I will word it this way. 12V simpler motor, all mechanical and you can change everything yourself pretty easily. 24V has the computer and if you change one or 2 things may require custom tunes. Yes a 24V will give you that HP a bit easier, it comes down to price and reliability.

I will agree 12V parts are cheaper. as for how to make massive HP out of a 12V, there is documentation all over. Make sure to cross reference stuff though as some of the how too's are written by people that know less than you, but sound as if they know more.

I consider the 12V's more reliable as I have seen a 12V survive a fire in a 1st gen, burn all the wiring harness, and simply toss a new battery in the truck run a wire to the fuel shut off and drag the truck to start it. IT RAN! rough, but it ran.

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[Polaraco]

Good advice

I dunno nuttin LOL

If it were me, I would keep it in the 500 HP range for street use. It will still give the ricers a slap in the face. going over that will empty your pockets in other places of the truck. Traction bars. Transmissions, tires,

I was pushing over 600 on my 6.7. That was too much

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