tranny upgrade
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Senior User
Joined: Jul 2009
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From: Afganistan (deployed)
tranny upgrade
i dont own on of these. but here in a couple months ill be looking into buying a newer truck. i need soemthing more reliable then my 84
i was wondering how hard woudl it be to stick a 99-03 sick speed into one of these? is it not the same block? i say this cuz i like these motor with the less computers in them, and i really want a 6speed on a 5. plus i can still buy a 97, 99 tranny and a new clutch and still be aroudn 2g under the price of a cheap 99-03
i was wondering how hard woudl it be to stick a 99-03 sick speed into one of these? is it not the same block? i say this cuz i like these motor with the less computers in them, and i really want a 6speed on a 5. plus i can still buy a 97, 99 tranny and a new clutch and still be aroudn 2g under the price of a cheap 99-03
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,717
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From: SE Florida
A ZF6 has low, 1,2,3,4, and overdrive. I count six speeds.
If it isn't truly a six speed, why is low singled out as a fake gear? Why not discriminate against overdrive, too? It doesn't show up on the shift **** as a number, either. So does that make it a true four speed?
Another way to look at it is a one speed direct drive transmission with four underdrives and one overdrive. Where does this stop?
If it isn't truly a six speed, why is low singled out as a fake gear? Why not discriminate against overdrive, too? It doesn't show up on the shift **** as a number, either. So does that make it a true four speed?
Another way to look at it is a one speed direct drive transmission with four underdrives and one overdrive. Where does this stop?
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Senior User
Joined: Jul 2009
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From: Afganistan (deployed)
no no i dont care if it truly a 5 or a 6 speed
i dont think u guys understand wut im talking about
i want to take teh 5speed out of a 97 and throw in a 99-03 tranny and a new clutch
now will the tranny bolt into the block (if im not mistakin its the same motor with out all the computers) i know if i wanted to bolt a 6speed to my 84. we know we have to get a step plate so the holes can line up... and that the spline of the 99-03 tranny is bigger and that input shaft is longer then the 84...
does the 97 and the 99-03 tranny have difference liek this ????
i dont think u guys understand wut im talking about
i want to take teh 5speed out of a 97 and throw in a 99-03 tranny and a new clutch
now will the tranny bolt into the block (if im not mistakin its the same motor with out all the computers) i know if i wanted to bolt a 6speed to my 84. we know we have to get a step plate so the holes can line up... and that the spline of the 99-03 tranny is bigger and that input shaft is longer then the 84...
does the 97 and the 99-03 tranny have difference liek this ????
Fleet Mechanic
Joined: Aug 2007
Posts: 1,508
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From: The boonies by Dallas OR
The bell housing will mate up. The problem is the greater diameter of the transmission body. It will run into the hump on the older trucks. You'll either have to modify the hump or do a body life.
Another route is to put a a NV5600 6 speed. It will fit, but is a very expensive transmission to buy now because it's not only used for the Fords, but the Cummins guys buy it because it's a bolt in upgrade for their 5 speed trucks.
Another route is to put a a NV5600 6 speed. It will fit, but is a very expensive transmission to buy now because it's not only used for the Fords, but the Cummins guys buy it because it's a bolt in upgrade for their 5 speed trucks.
Posting Guru
Joined: Mar 2008
Posts: 1,669
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From: Billerica, MA
A ZF6 has low, 1,2,3,4, and overdrive. I count six speeds.
If it isn't truly a six speed, why is low singled out as a fake gear? Why not discriminate against overdrive, too? It doesn't show up on the shift **** as a number, either. So does that make it a true four speed?
Another way to look at it is a one speed direct drive transmission with four underdrives and one overdrive. Where does this stop?
If it isn't truly a six speed, why is low singled out as a fake gear? Why not discriminate against overdrive, too? It doesn't show up on the shift **** as a number, either. So does that make it a true four speed?
Another way to look at it is a one speed direct drive transmission with four underdrives and one overdrive. Where does this stop?
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Senior User
Joined: Jul 2009
Posts: 125
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From: Afganistan (deployed)
yes well being the case i always like having the abilitry just... u never know when things will come in handly...
but u also have to look that a 550 has 4.88 gears in it while the f250 have 4.10/4.11
but u also have to look that a 550 has 4.88 gears in it while the f250 have 4.10/4.11
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Posting Guru
Joined: Jan 2006
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From: Elkhorn, WI
[quote=dieselkid;8350218]no no i dont care if it truly a 5 or a 6 speed
i dont think u guys understand wut im talking about
i want to take teh 5speed out of a 97 and throw in a 99-03 tranny and a new clutch
now will the tranny bolt into the block (if im not mistakin its the same motor with out all the computers) [quote]
it is the same motor and same computers. they are both electronically controlled. many of the parts are interchangable. the extra work swapping the trannies would be a waste in my opinion. i had a 95 460 with the zf5 and these are geared so low anyway. most of the time i started out in 2nd. ive had both a 2000 super duty and i now have a 96 f 350 and if you can get your hands on a super duty do it. they are nicer in my opinion and its the same motor except the new ones have some more of the bugs worked out of them- larger injectors, larger turbo, etc
i dont think u guys understand wut im talking about
i want to take teh 5speed out of a 97 and throw in a 99-03 tranny and a new clutch
now will the tranny bolt into the block (if im not mistakin its the same motor with out all the computers) [quote]
it is the same motor and same computers. they are both electronically controlled. many of the parts are interchangable. the extra work swapping the trannies would be a waste in my opinion. i had a 95 460 with the zf5 and these are geared so low anyway. most of the time i started out in 2nd. ive had both a 2000 super duty and i now have a 96 f 350 and if you can get your hands on a super duty do it. they are nicer in my opinion and its the same motor except the new ones have some more of the bugs worked out of them- larger injectors, larger turbo, etc
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