03-04.5 OR 04.5-05 what are the differences?
12-29-2007, 10:52 PM
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03-04 is the 305-555 engine. the 04.5-05 is the 325-600 engine it has an added injection event, different injectors and an electronic wastegate control on the turbo.
12-30-2007, 11:23 AM
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what does that mean for the average guy?
what does that mean for the average guy?
What year did the cummins get noticeably quieter? I drove some 2nd gen's and then 2007's only... I would like to look for the more 'modern' engine?... I heard that the 03 HO came with the 6spd, where the non HO came with the 5 sped? Is that true?
What year did the cummins get noticeably quieter? I drove some 2nd gen's and then 2007's only... I would like to look for the more 'modern' engine?... I heard that the 03 HO came with the 6spd, where the non HO came with the 5 sped? Is that true?
12-30-2007, 01:09 PM
#4
The HO in 03 got the 6 speed because the auto was not rated for the boost in HP and TQ. I don't believe there was a 5 speed in 03. The new 48RE tranny was mated to the HO in 04 and the HP/TQ went up to 325/600 vs the 305/555 in 03 for HO's.
The 3rd gens are the quiet ones, 2003 and up (5.9's).
Cya
The 3rd gens are the quiet ones, 2003 and up (5.9's).
Cya
12-30-2007, 02:03 PM
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Here is a break down of the motors and trannys based on year:
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
2005.5 The NV5600 replaced with the G56 6spd manual gearbox.
__________________
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
2005.5 The NV5600 replaced with the G56 6spd manual gearbox.
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12-30-2007, 03:11 PM
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what does that mean for the average guy?
What year did the cummins get noticeably quieter? I drove some 2nd gen's and then 2007's only... I would like to look for the more 'modern' engine?... I heard that the 03 HO came with the 6spd, where the non HO came with the 5 sped? Is that true?
What year did the cummins get noticeably quieter? I drove some 2nd gen's and then 2007's only... I would like to look for the more 'modern' engine?... I heard that the 03 HO came with the 6spd, where the non HO came with the 5 sped? Is that true?
All third gens are quiet.
John
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