Roy_R

My stang came with a 3:55 LS Differential....I see you guys have other stuff going on. what does it all mean?

Bluestar

3.55 =

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3.73 =

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4.10 =

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crashed1st2

but your mpg's will suffer at highway speeds. but my car came with the 3.31

mortman

I actual have the same question, i have bbe told my 06 came with 3:10. some on posted last week thy got much better MPG wiht 4:10 hard to beleave though. what is the big differance?

Chris07GT

To keep it simple, it's the ratio in the rear end. The higher the first number, the more your wheels (axl actually)will spin for each rotation of the driveshaft. So if you have 4.10:1, your axls and hence your wheels will spin 4.1 times for each turn of the driveshaft. This will give you quicker acceleration, but less top speed and gas mileage. Obviously it's a lot more technical than I said, but it should give you the idea.

shb5007

Get 3.73 if your a manual. Get 4.10 if your an automatic.

Chris07GT

Flip that around. Get 4.10 in a manual and 3.73 in an automatic

addison85

Actually, get whichever you prefer. Depends on how much of a launch you want, if you want to go F/I in the future, etc etc.

Roy_R

Ok, so with my 3:55 I have a high top-speed and probably better gas mileage, but slower off the line. I have a manual too...It's ok, I'm still beating the Z350's...

Fourth Horseman

Not a big point, but a lot of you guys are saying 3:55, 3:73 or 4:10. These ratios should be expressed as: 3.55:1, 3.73:1 and 4.10:1. It's not 3 to 55, or 4 to 10. It's 3.55 to 1 or 4.1 to 1.
Ok, I'm done nit picking.