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» Northern California Ford Owners     » Automotive   » Tech Talk   » 6 speed final gear ratio

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Author Topic: 6 speed final gear ratio
90cobraclone
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Member # 6354

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if a car has 3.55 and i put a 6 speed will i need to change gears

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vortech supercharged

Posts: 66 | From: santa rosa | Registered: Jan 2006  |  :
racercosmo
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Member # 1864

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6th gear in a T56 is about the same as a T5, 5th gear is in between 4th and 5th.

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Beauty is in the eye of the beer holder

Posts: 973 | From: Marin | Registered: Sep 2002  |  :
CornOil_&_Boost
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Member # 5888

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it all depend on which one you get...

a normal T56 in most cars...03-04 Cobra etc has this ratio

1) 2.97
2) 2.07
3) 1.43
4) 1.00
5) .80
6) .62

whereas a Viper T56 Trans has

1) 2.66
2) 1.78
3) 1.30
4) 1.00
5) .74
6) .50

A little steeper for the gears so you could end up with 4.10's and have great performance throughout your gear ratios...

I have a the Viper trans myself and went with 4.10's because the 3.27's in my car were just too steep. I recommend the change because your performance will increase and you'll still be able to get good mileage


as an example a T5 is normally

1) 2.95
2) 1.94
3) 1.34
4) 1.00
5) .63

[ January 01, 2007, 12:46 AM: Message edited by: jordan_0806 ]

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'95 Cobra - small engine / small turbo -
'02 Excursion 7.3 - tow vehicle
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Posts: 5097 | Registered: Jul 2005  |  :


 
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