Whats my gear ratio?

[Silver Streak]

how yall doin... i saw somewhere on an old post that if you look on your driver's side door sticker and you see GU4 then you have 3.08 gears, if you see GU6 then you have 3.42's. well, mine says GU5. what does that mean? are tey any good?
thanx
john

[V6MaroFL]

GU4 AXLE REAR, 3.08 RATIO

GU5 AXLE REAR, 3.23 RATIO

GU6 AXLE REAR, 3.42 RATIO

http://tech.firebirdv6.com/RPOcodes.html

Also check this out for a write up on gears in our cars
http://mods.firebirdv6.com/drivetrain.html

[ July 02, 2003: Message edited by: V6MaroFL ]</p>

[98Camaro3.8]

3.23s. All manuals come with them. Better than 3.08s, but could be upgraded for better acceleration.

[1998silverbird]

<blockquote>quote:</font><hr>Originally posted by 98Camaro3.8:
3.23s. All manuals come with them. Better than 3.08s, but could be upgraded for better acceleration.<hr></blockquote>

So if i have a Y87 package then I have 3.23'S??

[98Camaro3.8]

<blockquote>quote:</font><hr>Originally posted by 1998silverbird:
So if i have a Y87 package then I have 3.23'S??<hr></blockquote>

If you've got a manual, then you've got 3.23s.
Y87 autos come with 3.42s.

[ July 09, 2003: Message edited by: 98Camaro3.8 ]</p>