5 speed Transmission ratios

Discussion of the 5.7L-6.1L-6.4L HEMIs.

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prh
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Location: illinois

5 speed Transmission ratios

Post by prh » Fri Mar 14, 2003 12:43 am

Does anyone know what the gear ratios are on the Ram 1500 hemi 5 speed auto trans ?,I can't dig this info up anywhere.

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scottm
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Post by scottm » Fri Mar 14, 2003 10:23 am

The 5-45RFE 5-speed auto for the 2003 2500s:

1 -- 3.00
2 -- 1.67 upshift, 1.50 kick-down
3 -- 1.00
4 -- 0.78
5 -- 0.67

The same engine and transmission in the 1500,
so I assume they probably kept the same gears.
Scott Moseman
http://www.TheHEMI.com/
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prh
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Location: illinois

Post by prh » Fri Mar 14, 2003 1:42 pm

So the deal is that the transmission has a special passing gear and 4 and 5 are both overdrive ratios. When you depress the OD switch on the gear shift lever it eliminates both 4th and 5 th ?. Wouldn't that actually make it a 6 speed transmisson ?.

[InFern0]
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Post by [InFern0] » Sat Apr 12, 2003 11:01 pm

Reverse is never counted.
5 speed has 6 gears counting reverse and it is called a 5 speed.
A 6 speed tranny has 7 gears counting reverse, but u never hear of a 7 speed tranny.

2003 Dodge Ram SLT
4x4
Quad Cab
White
Saskatchewan, Canada

tirpitz

Post by tirpitz » Mon May 19, 2003 9:40 pm

scottm wrote:The 5-45RFE 5-speed auto for the 2003 2500s:

1 -- 3.00
2 -- 1.67 upshift, 1.50 kick-down
3 -- 1.00
4 -- 0.78
5 -- 0.67

The same engine and transmission in the 1500,
so I assume they probably kept the same gears.
How does this work? 2 "second gears"? I was told at the dealer that the "other" second gear counts as the "5th gear". Starting to get confused.

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scottm
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Post by scottm » Thu May 22, 2003 9:49 am

tirpitz wrote:
scottm wrote:2 -- 1.67 upshift, 1.50 kick-down
How does this work? 2 "second gears"?
When accelerating (upshifting), it always uses the 1.67 gear.
When downshifting, it will use either 1.50 or 1.67 depending
on throttle position, speed, and determined engine load, for
the best performance.
Scott Moseman
http://www.TheHEMI.com/
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tirpitz

Post by tirpitz » Thu May 22, 2003 1:37 pm

So it is a 5 speed (1 thru 5) with a choice of 2 second gears. 6 forward gears total. Right?

Hemidakota
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Post by Hemidakota » Thu Jul 17, 2003 9:47 am

Coming soon: 48RFE 6-speed automatic... 8)
Steve
Future Purchase: 2006 Charger SRT-8/2006 MegaCab 6.1 Hemi
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"Coming soon 600HP SRT-10 to pull the SRT-4 & SRT-8 Charger to the track!"

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