Whats better the 12v cummins or the 24v cummins? Which is cheaper?Faster?Better MPG?More performance?More aftermarket help? Im looking to get a Dodge 2500 cummins just dont no what one to get. Also from what i read they stoped making to the 12v in 98?

12V production stopped in 98.5

Get either a 12V or a common Rail 24 for the most potential.

P7100 pumps on the 5 speeds... very desireable. in 97-98

I'm kind of partial to the 24V. Put a Fass system on it and it is a strong motor!

How can i tell if its a common rail 24?

If it is an 03 and up it is a common rail motor.
98.5-2002 VP-44 pumped (interestingly a S.O pump on a HO motor makes more power when you pierce the wire with a COMP or a Blue chip Box)
1994-1998.5 P series pumps. anywhere from a 160 to 210 pump IIRC check the CPL numbers.
Previous to those years the 1st gen's have a ??? Pump that is hard to make over 450 HP from.

So what is the best years to look from?

What are you looking to do with it? Drag race Sled pulling just to tow a trailer, if so how big? I have a 2000 2500 24v. I love it. You can get a lot of power out of it.

What are you looking to do with it? Drag race Sled pulling just to tow a trailer, if so how big? I have a 2000 2500 24v. I love it. You can get a lot of power out of it.

What he said

probley drag race and maybe a little off road. Im just looking for good fuel milage and power. i found a 1999 Cummins just like i wanted but it had 144,000 on the odometer, i know thats high but is it bad on a cummins?

I have 137,000 and run;s like a champ!

so 144 isnt all that bad?

I don't think that's bad at all. I've got 100k on mine and have had a TST Power Max 3 on it since it was new still screams!

cool what are some good upgrades? I was thinking some kind of chip (dont no witch maybe edge) and then exhaust MBRP 4" Cool Duals...?

I've been very happy with TST products. They make the power they say they will and at a reasonable price. Go to TSTproducts.com. They have excellent customer service.