7.3L vs Cummins vs Duramax: HELP!!! - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 22 (permalink) Old 08-21-2010, 04:40 AM Thread Starter
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7.3L vs Cummins vs Duramax: HELP!!!

Had an '06 F250 before I knew anything about anything diesel related. Too many problems, and now in the market for a used, dependable diesel. I realize the Cummins is a great engine, the Duramax coupled with an Allison is a good combo, and the 7.3L is Ford's #1, but lots of variables. Looking around the 2002-2004 range. Any input would be greatly appreciated!
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post #2 of 22 (permalink) Old 08-21-2010, 02:02 PM
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It all depends on what you want. Dodge probably the best engine for power IMO but no real 4 door in those years. Ford the 7.3 is great but if you gonna build some HP is really pricey but it a great truck. Chevy great ride and motor but has to be lifted to look good IMO but you can make good power.

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post #3 of 22 (permalink) Old 09-27-2010, 02:53 AM
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Me Too

Im in the same boat. Lots of feedback would be appreciated.
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post #4 of 22 (permalink) Old 09-29-2010, 03:07 AM
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for the year mentioned, i would go 7.3 ford or commonrail cummins. i have 2 02' fords and 1' 05 dodge, i make a living with both brands. between the two brands i prefer the fords overall.
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post #5 of 22 (permalink) Old 10-01-2010, 02:50 PM
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I ran my 2001 7.3 to 260,000miles souly on routine care. I had to replace the magnent in the a/c compressor once. It was gorgeous in the inside, lariat package is nice.

ford 7.3 all the way

black 2006 lariat F350 SB CC Dually sunroof 12" Procomp lift dual shocks/resivoirs front and rear, fabtech dirtlogic dual resivoir steering stabilizers (all nitrogen). 4in exhaust TB 22" chrome alcoa 18 wheeler rims on toyo 37" open country. 08-10 tailgate recon blacked out lights all way around. Harley front end (lights bumper grill etc) back up sensors and camera custom blacked out badges. 4 JL 10's in shallow box behind seats 2 thousand watt amps w/ custom 6x9's. 8" kenwood indash 5% tint all way around. powder coated frame and custom diff covers. SCT tuned

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post #6 of 22 (permalink) Old 10-05-2010, 02:24 PM
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I would opt for the 7.3 if you decide between all three if you ask me. For the total package, ford has it. I had a 1996 F350 before I bought my 2005 Ford Excursion 6.0 diesel-which I absolutely love. Zero problems and tons of power, makes my 7.3 psd look like a ****mobile. But I absolutely loved my 7.3. The only thing I had to do to my Ford was replace the waterpump and replace my ball joints.

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post #7 of 22 (permalink) Old 10-06-2010, 08:14 PM
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All three would do the job just fine. Personally, i would go with a 7.3. Alot of my family runs them and they really are great engines, not to mention the ford truck they come in. We know a guy that runs a hot shot service with a 7.3 thats got 500k on it with no major repairs. good luck

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post #8 of 22 (permalink) Old 11-04-2010, 01:40 PM
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i had an 01 dodge qc 6sp and an 02 ford auto crew cab. dodge would out work the ford. and better fuel mileage. ford more comfortable and much more room in back seat. also short bed on ford is 6" longer than dodge which made a big diff transporting my atv. both very reliable.

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post #9 of 22 (permalink) Old 11-12-2010, 12:45 PM
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I'm a Ford man, but Cummins has a pretty awesome engine in the "B" series Dodge uses. I would RUN away from any Dodge with the VP-44 injection pump and they don't have an automatic I trust, at all.

The Ford of those years had the best "package" and the 7.3L is HARD to beat for overall reliability and very good factory power. The 7.3L PSD was the first "powerful" diesel in a pickup and was a HUGE advantage over all that came before and most of what was available for years after it was introduced. Many consider it the standard, by which others are measured for power and reliability.

GM, sorry, I won't touch one. They have made so many BAD engines over the years and from my expereince have not stood up to their problems, I'm not a buyer. There is no way the brakes on a Town Car should be larger than those on a 3500 "HD", I mean COME ON!

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post #10 of 22 (permalink) Old 11-14-2010, 07:20 PM
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The 7.3 is a great engine, the week and expensive part is the transmission. Dodge 5.9 with a P7100 injection pump is a great engine, the VP44 is a piece of junk, the front Ball joints are week, and the transmissions are not very good. The GM the transmission is great, and I do not have the experience on the early Dura-max's or 6.5's to have an opinion on.

1988 ford van fresh overhaul, 1991 nissan pick-up 1993 Caprice 2000 GMC S10 Blaser 2007 nbs 3500 GMC 4x4 crew-cab long box 17 inch single wheels Duramax Alison. BW turnover Ball. Furakawa FL35 loader. Retired, HD mechanic, worked on engines all my life. Fabricator welder. electrician. in the process of finishing my new shop. Live in Rock Creek B.C. Wife has a fruit stand.
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