Cummins swap, yes or no? - Ford Powerstroke Diesel Forum
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post #1 of 44 Old 08-27-2008, 09:33 PM Thread Starter
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Cummins swap, yes or no?

So I have a early 99 PSD F250. It has a 16" lift and 40's soon to be 44's. I was thinking a cummins swap for fuel economy and power since it is my daily driver and I tow a fair amount. I dont mean to start a war or anything (I know some people are attached to their powerstrokes). Or should I keep the 7.3 and do some mods to it? Anything I do, I want fuel economy to come first and then power (I have propane and water/meth injection, and a TS 6 position). I like mods that are progressive, ie I can drive around in town with a light foot and get good mpg's but when I get in it deep, it has what I want. What do you guys think?
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post #2 of 44 Old 08-27-2008, 09:44 PM
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what kind of MPG you getting now?

the swap will be very expensive.... it will take a long *** time to recoup the amount of money you put into doing the swap in the savings in MPG

your prob would never recoup it

-Raul
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post #3 of 44 Old 08-27-2008, 09:48 PM
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Class of Aug 17, CFD
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post #4 of 44 Old 08-28-2008, 12:21 AM Thread Starter
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Getting 11-12 now in town but I know I have fuel issues. Be it a bad pump or injectors or something. I am working on a full four link air ride setup and when I am done with it I will dedicate all my time to a swap or mods or whatever.

Since the pic, I have added 6 chrome reseviored shocks, painted cutout flares, a rollpan, and shaved the tailgate. PS dont ever buy Truxus tires, they are the worst
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post #5 of 44 Old 08-28-2008, 02:25 AM
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Your worried about fuel economy, but you have 44 inch tires.

2005 F-350 CC LB 4x4 XL 6.0
SCT
4" Turbo back exhaust
03 turbo
Studs
Coolant Filter
Warren Stock+ injectors

1996 F-250 ECLB 4x4 XLT 7.3 Auto



1993 F350 CCLB 4x4 5spd 7.3 NA
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post #6 of 44 Old 08-28-2008, 02:36 AM
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if you're considering an engine swap and installing a cummins motor you should have bought a dodge. i agree with willholl79, your worried about mpgs but, your running 40 inch tires soon to be 44's.. doesn't make much sense.
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post #7 of 44 Old 08-28-2008, 02:50 AM
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find a p pumped 12 valve and go for it

2oo6 f350
6" procomp lift, Dual steering stabilizer
predator zoodad
accufab elbow, duals no cat or muffler
airaid intake, 17" motometals 35" toyo m/t's
alpine iva w205 deck, SCT xcal2
carriage works billet grill ,rodadeaco positive air shutdown
300 amp lincoln welder in the back
harley headlights in the box
fox 2.0 piggyback shocks in the box

2003 Dodge 3500 5.9 cummins
AEM intake, dual mitre cut stacks, Edge EZ , Smarty programmer, Webasto heater
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post #8 of 44 Old 08-28-2008, 03:15 AM
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Quote:
Originally Posted by willholl79 View Post
Your worried about fuel economy, but you have 44 inch tires.
Agreed. I would use the money to buy an old "beater" 4 cyl. car or ranger or something to drive around. Then use the fuel savings money to make the truck even more badass

Nick, BPS Historian
1995 F-250 4x4 7.3 Powerstroke
Isspro Gauges, Tony Wildman Tunes, PSGH Stage 1 Injectors, Early 99 Intercooler, ATS Stage 6 E4OD, TCI Tranny Cooler, Snow Water/Meth, Traction Bars, EBPV Brake, TC Lockup Switch, Spray-on Liner, K&N Intake w/ NAPA 6637 Filter, 3" downpipe, 5" mitre stacks.
Waiting to be installed: Electric fuel with A1000 pump and Stealth DIY Dual HPOPs
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post #9 of 44 Old 08-28-2008, 04:12 AM
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thats what i do when i really HAVE to

other than thoes days its all about the truck

96 F-350 XL
CrewCab Long Bed
7.3L Powerstroke
Built Auto Tranny
MBRP Turbo back exhaust system 4"
Straight pipe!
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?!?!?what happened to the map logo?!?!?
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post #10 of 44 Old 08-28-2008, 10:06 AM Thread Starter
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I didnt say that I had to get every last mpg. I am simply trying to make it as effecient as possible. I understand that the larger tires are going to cut into my mileage and that is a tradeoff that I am ok with. I am simply trying to make it as good as possiblel.
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