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Joined: May 2006
Posts: 5
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I have a 98 mystique LS 2.5 5 speed the final drive is 4.06 I would like to change it. Is there another choice? Is there anything I could from a focus or a 2.0 contour? I would like to be around 3.50
98 mystique LS 2.5 5 speed
90 mustang convert.
57 t-bird
65 mustang 2+2
66 mustang hard top
99 expedition eb
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Joined: Dec 2004
Posts: 595
Veteran CEG\'er
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Veteran CEG\'er
Joined: Dec 2004
Posts: 595 |
Black 1998.5
3L Oval Port
Full HMS Transmission
Lots of other stuff
Ressurected 06/14/06
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Joined: May 2006
Posts: 5
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I have searched and i can,t find what ratios are available and what cars they are in.
98 mystique LS 2.5 5 speed
90 mustang convert.
57 t-bird
65 mustang 2+2
66 mustang hard top
99 expedition eb
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Joined: Dec 2004
Posts: 595
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Originally posted by kb65:
I have searched and i can,t find what ratios are available and what cars they are in.
Click on the links I posted and search more before you ask anymore questions. The information is there, you just might have to search back farther than just last week. 
There are two types of engines on the Contour/Mystique/Cougar paltform: The Duratec V6 and the Zetec 4 cylinder. Each engine had a different final drive ratio.
Black 1998.5
3L Oval Port
Full HMS Transmission
Lots of other stuff
Ressurected 06/14/06
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Joined: Apr 2002
Posts: 1,361
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: Apr 2002
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Don't forget the diesel final drive ratio. 
'98 SVT Contour, in at least 639 pieces 
4 Speed MTX...synchro and shift fork replacement in progress
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Joined: Dec 2004
Posts: 595
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Veteran CEG\'er
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Originally posted by shotwell:
Forget the diesel final drive ratio. 
Fixed.
Black 1998.5
3L Oval Port
Full HMS Transmission
Lots of other stuff
Ressurected 06/14/06
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Joined: May 2006
Posts: 5
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I already knew that there are different ratios in different vehicles. What I need to know is what ratio came in what what engine,car,year combination. You said check the diesel the next guy said forget the diesel. I was looking for the correct info from someone who knows not just someones opinion. I found a site that shows gear ratios for each gear but it doesn't tell the final drive ratio.
98 mystique LS 2.5 5 speed
90 mustang convert.
57 t-bird
65 mustang 2+2
66 mustang hard top
99 expedition eb
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Joined: Sep 2000
Posts: 4,693
Hard-core CEG'er
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Hard-core CEG'er
Joined: Sep 2000
Posts: 4,693 |
It's really pretty simple.
The Contour/Mystique/Cougars with 4 cylinder engines and manual trans have 3.84 final drives.
The Contour/Mystique/Cougars with a cylinder engines and manual trans have 4.06 final drives.
The final drives between them are interchangable as are most of the internals, but they have different bell housing patterns and different length input shafts.
It has been a reasonably common modification to use the 4 cylinder final drive with a V6, especially with a 3.0 engine conversion.
I don't know what the Focus has available or if Focus MTX75 manual trans final drives will fit ours. Some things on the Focus trans are very similar and other things are very different. If Focus information is important to you, you might try a Focus forem or you might try to contact Terry Haines, the man who probably know that trans better than anyone.
Jim Johnson
98 SVT
03 Escape Limited
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Joined: Apr 2002
Posts: 1,616
Hard-core CEG'er
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Hard-core CEG'er
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Originally posted by Big Jim:
It's really pretty simple.
The Contour/Mystique/Cougars with 4 cylinder engines and manual trans have 3.84 final drives.
The Contour/Mystique/Cougars with a cylinder engines and manual trans have 4.06 final drives.
The final drives between them are interchangable as are most of the internals, but they have different bell housing patterns and different length input shafts.
It has been a reasonably common modification to use the 4 cylinder final drive with a V6, especially with a 3.0 engine conversion.
I don't know what the Focus has available or if Focus MTX75 manual trans final drives will fit ours. Some things on the Focus trans are very similar and other things are very different. If Focus information is important to you, you might try a Focus forem or you might try to contact Terry Haines, the man who probably know that trans better than anyone.
And another option:
BAT Euro trans have a 3.82 final drive ratio.
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Joined: May 2006
Posts: 5
Newbie
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OP
Newbie
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thank you that is what I was looking for. How can I contact Terry Hines? 
98 mystique LS 2.5 5 speed
90 mustang convert.
57 t-bird
65 mustang 2+2
66 mustang hard top
99 expedition eb
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