Sold Vortech/bought Turbo Kit.... Do I Need. Diffetent Gears? I Have 4:10s Now.

Discussion in '1996 - 2004 SN95 Mustang -General/Talk-' started by musclemustangcb, Nov 1, 2012.

  1. musclemustangcb

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    With my recent purchase of Turbo kit and big fuel system upgrades, I've had it in the back of my mind that my 4:10s may be an issue. Do they gotta go? If so, what should I run? I was thinking 3:55s.
     
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  2. 98COBRA281

    98COBRA281 Active Member

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    331's or 355's. my car will blow the tires off in 2nd gear ( 1.46 second gear ratio in the c4) with a 331 and 28" rear tire!
     
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  3. Mr. Rustypwnz

    Mr. Rustypwnz Advanced Member

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    if you want to easily spin the tires in 4th gear at 100mph, then yes keep the 4.10's. lol. 3.55s would be my max gear on a turbo 4.6.
     
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  4. flstang65

    flstang65 Well-Known Member

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    I'm with these guys. 3.31 or 3.55's max.
     
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  5. JymboSlice

    JymboSlice Member

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    Switch to 3.27's. Turbo cars do not need steep gears.
     
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  6. tank_567

    tank_567 Active Member

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    3.55's built rearend and a set of mickey t's
     
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  7. madspeed

    madspeed Colonel Mustard
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    i was gonna say 3.55's, but maybe 3.27's would be better? :dunno
     
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