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Diffrence between the 2003/2004 and the 2004.5/2005
I see alot of products being sold for the Cummins diesel that fit either the 2003/2004 or the 2004.5/2007 trucks! WHAT is the big difference between 2004 and the 2004.5 trucks??? I have a 2004 cummins diesel that manufactured in the month of May/2004...
05 they went from the 47re to the 48re tranny.
Other changes: 325hp
• Air inlet redesigned to block hot engine air from entering, reducing the intake charge by 30 to 40 degrees.
• Intake resonator re-engineered for increased airflow
• Larger compressor on Holset turbocharger
• Engine cooling improved with new fan assembly and mounting fan shroud to engine for more efficient airflow through radiator
• Upgraded intercooler
• Upgraded exhaust valves
• Tailpipe increased to 4-inch diameter
• Improved sealing and gasket materials
• Oil-change intervals are now 15,000 miles (vs. 7,500 for competition).
• Holset turbocharger gets bigger compression side
• Switch to electronic control of wastegate
• Upgrades to exhaust manifold
• Revised intake ports in cylinder head
• New piston bowl geometry
• Different spray pattern from injectors
Man, some of you guys are off.
2003 S.O. Federal Emissions: 250HP/460lb.ft. Available with NV4500 or 47RE
2003 S.O. Calif. Emissions: 235HP/460lb.ft. Available with NV4500 or 47RE
2003 H.O. Federal Emissions: 305HP/555lb.ft. Only available with NV5600
2003.5 The 47RE was replaced by the 48RE automatic transmission and available with the H.O.
2004 S.O. Calif. Emissions: 235HP/460lb.ft. Available with NV4500 or 48RE
2004 H.O. Federal Emissions: 305HP/555lb.ft. Available with either NV5600 or 48RE
2004.5 (50 state legal) 325HP/600lb.ft. Available with either the 48RE or NV5600
2005 (50 state legal) 325HP/610lb.ft. Available with either the 48RE or NV5600
Your 04 built in the month of May is an 04.5. The 04 had no cat, the cat itself came on the 05. That is the reason they upped the torque to 610 from the 600 in the 04.5's. The 305's had 3 1/2 inche exhaust. The 325's had 4 inch
2010 Ram 3500 Dually CTD 6.7/68RE/3:42 LSD ( Previous Rams: 1990 CC Dually, 1994 RC LB, 1995 CC SB, 1998 QC Dually,
2000 QC Dually, 2001 QC Off Road, 2003 QC Dually, 2005 QC Dually, 2008 QC Dually REAL TRUCKS DON'T HAVE SPARK PLUGS
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