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| 2001 4.7 45RFE to 545RFE Conversion; Add a 5th Gear & MPG to your Trck | |
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| Tweet Topic Started: Jul 24 2011, 05:19 PM (1,769 Views) | |
| CptNemo | Jul 24 2011, 05:19 PM Post #1 |
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Advanced senior member
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Edited by CptNemo, Jul 26 2012, 09:32 AM.
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| TehWubz | Jul 24 2011, 05:29 PM Post #2 |
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I think you call me... sexy
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That's awesome. When did you do this to your dak? |
| I like it when people tell me I can't do something; it gives me something to do tomorrow... | |
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| TehWubz | Jul 24 2011, 06:23 PM Post #3 |
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I think you call me... sexy
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sweet. definitely on my to-do list now. thanks a lot. |
| I like it when people tell me I can't do something; it gives me something to do tomorrow... | |
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| uriedog | Aug 22 2011, 04:42 AM Post #4 |
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do you know when the 2003 tcu was changed? i am going to give it a try too, |
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| 04dak | Aug 22 2011, 10:33 AM Post #5 |
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Mobile Mamogram Machine
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mine has the 545rfe this was a mistake done by chrysler. a good one, jeep cherokee owners were complaining about too much in cab noise while cruising dodge came up with an ew flash in the tcu that causes lower rpms while cruising and then it worked out good in jeeps and they threw it in everything.
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![]() Branden 04'QC, 4.7 Lots Of mods, 4.56's Cardomain site lytlebranden@hotmail.com | |
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| uriedog | Aug 28 2011, 09:49 PM Post #6 |
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well had a look at mine. i have the four plug PCU. So i'll have to go another rout to get the fifth gear. Any reprogram info from anybody on here? |
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| 04dak | Aug 28 2011, 10:04 PM Post #7 |
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Mobile Mamogram Machine
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What year is your truck? |
![]() Branden 04'QC, 4.7 Lots Of mods, 4.56's Cardomain site lytlebranden@hotmail.com | |
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| uriedog | Aug 29 2011, 05:02 AM Post #8 |
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2003, not sure on the month. il take a look tonight |
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| uriedog | Aug 29 2011, 07:47 PM Post #9 |
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well no need to look any further. all i had to do was open the glove box and look at the build sheet. Jan 2003, 5 speed automatic transmission Edited by uriedog, Aug 29 2011, 07:48 PM.
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| 04dak | Aug 29 2011, 11:33 PM Post #10 |
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Mobile Mamogram Machine
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haha, yea i was gunna say.... the fifth gear isnt really a "gear" so to speak so most of the time you cant even feel it shift. |
![]() Branden 04'QC, 4.7 Lots Of mods, 4.56's Cardomain site lytlebranden@hotmail.com | |
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| uriedog | Aug 30 2011, 05:03 AM Post #11 |
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ya. And most of the time i am driving it I am pulling a travel trailer, OD off. Still a very good and inexpensive mod for the older trucks. Especially when it will pay for itself in a month of driving. |
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this was a mistake done by chrysler. a good one, jeep cherokee owners were complaining about too much in cab noise while cruising dodge came up with an ew flash in the tcu that causes lower rpms while cruising and then it worked out good in jeeps and they threw it in everything.

6:23 PM Jul 10
