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Forum: Engine & Drivetrain

02-13-2012, 04:42 PM

Replies: 62

4.08 or 3.90 gear questions...

Views: 34,380

Posted By tranceformer

Your actual speed will be 1.5% faster than what...

Your actual speed will be 1.5% faster than what the speedometer reads.

4.08 gears = ~10% more aggressive than 3.7 gears, but not necessarily 10% faster acceleration.

Stop speculating and just...

Forum: Engine & Drivetrain

02-12-2012, 07:29 PM

Replies: 62

4.08 or 3.90 gear questions...

Views: 34,380

Posted By tranceformer

That drag radial is slightly taller than a stock...

That drag radial is slightly taller than a stock sport package tire.

Specification Sidewall Radius Diameter Circumference Revs/Mile Difference
275/35-19 3.8in 13.3in 26.6in ...

Forum: Engine & Drivetrain

11-21-2011, 08:08 PM

Replies: 62

4.08 or 3.90 gear questions...

Views: 34,380

Posted By tranceformer

The price depends if you end up buying all the...

The price depends if you end up buying all the bearings & seals etc with the gears. I've seen the gears go for $500 alone, and I've seen full install kits go for up to $900. Installation would...

Forum: Engine & Drivetrain

11-21-2011, 05:37 PM

Replies: 62

4.08 or 3.90 gear questions...

Views: 34,380

Posted By tranceformer

4.08's are a worthwhile mod, although a bit...

4.08's are a worthwhile mod, although a bit expensive and difficult to install. yes you lose a bit of mph per gear but you can gain some back with a tune (raise the rev limiter).

he has stock...

Forum: Engine & Drivetrain

11-20-2011, 08:26 AM

Replies: 62

4.08 or 3.90 gear questions...

Views: 34,380

Posted By tranceformer

3.69 ring & pinion = stock 6MT 4.08 ring &...

3.69 ring & pinion = stock 6MT

4.08 ring & pinion = 10% shorter than stock

3.9 ring & pinion = 5% shorter than stock

Not only that, but IIRC the 3.9 is an aftermarket and more expensive. ...

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