Compression Ignition Addict
Join Date: Aug 2011
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My brother has a 450 with a 6.4, i have a 550 with a 6.0, the only reason his is faster is the 4.10 gears mine has 4.88's, my truck will pull a house down in 4x4 low, and my 6.0 has tons more torque with the egr gone. The 6.0 is less labor to work on,the 6.4 plugs oil and egr coolers as quick as the 04 up 6.0, i like my 6.0 better than my '99 450 7.3,knowing what i do now about 6.0's i would buy another low mileage 6.0 before a 6.4 or a 7.3. The 7.3 was an oil slobbering pos, and the trannys were junk for heavy towing, personally i dont think a work truck needs twin turbos like the 6.4. I know alot guys with 6.4 troubles, and the 6.0 issues are well documented also, imo, i would buy the 6.0. Once you bulletproof 'em they are pretty reliable.
2004.5 F-550,4x4,6.0,auto,CTS monitored,
Performance Machine egr delete,caterpillar elc,blue spring, CTS Monitor,flat plate agm batteries,K8 code, super tow pkg. (4.88),twin line recovery wrecker.