Cummins Conversion, 12 valve, or Common Rail?

[Andrew Allen]

hey guys, as soon as i get my truck gone, im buying a 2003 Ford F-350 crew cab long bed lariat, got a good price on it, the guy melted the 6 leaker! (this is the exact truck i want, melted motor and all!) I am going to put a cummins in it, which motor do you think i should do? a 12 valve, or 05 an newer Common Rail!! PLEASE tell me which you think would be better and why!

THANKS!!

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: 2003 Dodge 6 Speed, "THE DUALLY" Smarty TNT/MP-8, Stage 1 CP3, FASS 150/150, 295/75/17 Terra Grapplers, 2nd Gen Manifold, Triple Gauges(Oil Temp, Boost, EGT), BUMPS under the back seat! 135 MPH TESTED! Soon to be the owner of a SBC Iron GIANT!

[Chris Mallett]

I would originally say 12ver for the simplicity, but the CR setup with Painless wiring would be simple as well. Are you keeping the Ferd tranny? If so, the CR would be my call B/C they have a wiring set to let this communicate between each other easily. IF you have a cheap CR in mind, that is.

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2005 QC LB Dually, 4x4, TST R49AP, AD150, a little VB upgrade, S&B CAI, F1 Helix 2 Cam, Sportsman springs, Silverline 4" Duals
Check out the West Virginia Cummins Crew

[cerberusiam]

12V would be simpler, CR would be nicer

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05 QC LWB 4x4 Auto 3.73 LSD Smarty, Quad Boost Fooler, Isspro Gauges FP-EGT-Boost-DP-Trans-RP, Built 48RE
1992 D250 47RH Built pump 370 Marine Tips

[Andrew Allen]

Originally Posted by Chris Mallett

I would originally say 12ver for the simplicity, but the CR setup with Painless wiring would be simple as well. Are you keeping the Ferd tranny? If so, the CR would be my call B/C they have a wiring set to let this communicate between each other easily. IF you have a cheap CR in mind, that is.

it currently has a 6 speed in it, but id like a built auto! an 05-07 common rail go for like 3k dont they?? how much is the rest of the stuff for the conversion?

__________________
: 2003 Dodge 6 Speed, "THE DUALLY" Smarty TNT/MP-8, Stage 1 CP3, FASS 150/150, 295/75/17 Terra Grapplers, 2nd Gen Manifold, Triple Gauges(Oil Temp, Boost, EGT), BUMPS under the back seat! 135 MPH TESTED! Soon to be the owner of a SBC Iron GIANT!

[gododge99]

man i think it would be bada$$ if you where to drop a common rail in, everyone does 12v swaps cause they are so easy, id say take the extra time and do a cr

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[Andrew Allen]

good call, i probably will, i just like the 12 valves cause i want a truck to lope! :wink: but i like the newer HO's do they make a complete wiring harness and everything to put one in a ford? i know they make the tranny adapters and what not, but currently the ford has a 6 speed, and i want an auto! (built!)

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: 2003 Dodge 6 Speed, "THE DUALLY" Smarty TNT/MP-8, Stage 1 CP3, FASS 150/150, 295/75/17 Terra Grapplers, 2nd Gen Manifold, Triple Gauges(Oil Temp, Boost, EGT), BUMPS under the back seat! 135 MPH TESTED! Soon to be the owner of a SBC Iron GIANT!

[ciptwiho]

Originally Posted by gododge99

man i think it would be bada$$ if you where to drop a common rail in, everyone does 12v swaps cause they are so easy, id say take the extra time and do a cr

I think this is enough .....
I do agree with you. Those are the most effective way

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[Andrew Allen]

how about a 6.7 though??? should i go that route and get one out of a wrecked truck? or should i stick with the tried and trued 5.9?

__________________
: 2003 Dodge 6 Speed, "THE DUALLY" Smarty TNT/MP-8, Stage 1 CP3, FASS 150/150, 295/75/17 Terra Grapplers, 2nd Gen Manifold, Triple Gauges(Oil Temp, Boost, EGT), BUMPS under the back seat! 135 MPH TESTED! Soon to be the owner of a SBC Iron GIANT!

[bbbxcursion]

CR for sure. The wiring is not bad. Don't waste your money on the painless kit.

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2000 Ford Excursion, '05 CR, BTS, II Silver 64, F1 cam, F1 springs, ARP 625's, Airdog2, Smarty.

[HBACH'S CUMMINS]

12v 12v 12v

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04 2500 (Hannah) 4x4 w/ 6 speed manual; silencer ring removed, K&N air filter, smarty level 7, banks gauges, FBD 5" straight pipe into "garage custom" dual 5" turnouts, Airdog 150, Buckstop classic front and back, Warn 16.5ti winch

[Andrew Allen]

Originally Posted by bbbxcursion

CR for sure. The wiring is not bad. Don't waste your money on the painless kit.

5.9 or 6.7? and if i use the dodge wiring harness, what all will/wont it connect to?

__________________
: 2003 Dodge 6 Speed, "THE DUALLY" Smarty TNT/MP-8, Stage 1 CP3, FASS 150/150, 295/75/17 Terra Grapplers, 2nd Gen Manifold, Triple Gauges(Oil Temp, Boost, EGT), BUMPS under the back seat! 135 MPH TESTED! Soon to be the owner of a SBC Iron GIANT!

[Andrew Allen]

Originally Posted by HBACH'S CUMMINS

12v 12v 12v

why? i know theres more power potential out of them and they sound better.... but i like the programability of the common rails.... UGGHHH this is going to be a HARD choice

__________________
: 2003 Dodge 6 Speed, "THE DUALLY" Smarty TNT/MP-8, Stage 1 CP3, FASS 150/150, 295/75/17 Terra Grapplers, 2nd Gen Manifold, Triple Gauges(Oil Temp, Boost, EGT), BUMPS under the back seat! 135 MPH TESTED! Soon to be the owner of a SBC Iron GIANT!