3.23 to 3.42s
Registered User
Joined: Jun 2003
Posts: 2,626
From: Baylor University - TX
If he's doing it for free and you got the 3.42's for a good price...then go for it. The majority of responses to your post have advised 3.73's...which you'd see more SOTP gain...but if all it's going to cost you is $30 and you're done...then more power to ya!
If someone were going to have their gears installed, which runs quite a bit...I'd advise going ahead and getting 3.73's over 3.42's...you'd be glad you did!
If someone were going to have their gears installed, which runs quite a bit...I'd advise going ahead and getting 3.73's over 3.42's...you'd be glad you did!
Registered User
Joined: Jan 2001
Posts: 2,905
From: Orlando,Fl
Originally posted by FacelessZ
If he's doing it for free and you got the 3.42's for a good price...then go for it. The majority of responses to your post have advised 3.73's...which you'd see more SOTP gain...but if all it's going to cost you is $30 and you're done...then more power to ya!
If someone were going to have their gears installed, which runs quite a bit...I'd advise going ahead and getting 3.73's over 3.42's...you'd be glad you did!
If he's doing it for free and you got the 3.42's for a good price...then go for it. The majority of responses to your post have advised 3.73's...which you'd see more SOTP gain...but if all it's going to cost you is $30 and you're done...then more power to ya!
If someone were going to have their gears installed, which runs quite a bit...I'd advise going ahead and getting 3.73's over 3.42's...you'd be glad you did!
I know my shiot about gears, that's why I didn't post this.
The only reason I am going to do it is because I am getting them, with a differential, for $30 and installed for free to very cheap.
Originally posted by badazzcamaro97
Whats the rpms at with 3.42 and 3.73 at say about 75 mph?
Whats the rpms at with 3.42 and 3.73 at say about 75 mph?
3.42's = about 3500RPM @ 75mph
3.73's = about 3800RPM @ 75
For an A4 car that is.
Registered User
Joined: Oct 2003
Posts: 1,220
From: houston, texas
Originally posted by FacelessZ
I have no gear "whine" with my 3.73's....it all depends on if you get the hardened set or the soft set...
I have no gear "whine" with my 3.73's....it all depends on if you get the hardened set or the soft set...
Registered User
Joined: Jun 2003
Posts: 2,626
From: Baylor University - TX
The soft set is more quiet...they both work great....you'd want hardened if your car is a trailer queen and you had hard launch after hard launch....otherwise the soft set works fine....
Registered User
Joined: Jan 2001
Posts: 2,905
From: Orlando,Fl
Originally posted by FacelessZ
3.73's = about 3800RPM @ 75 for an A4?? Seems a bit high Mr. Gears....
3.73's = about 3800RPM @ 75 for an A4?? Seems a bit high Mr. Gears....
Okay, let me rephrase that...
3.73: 70mph = 3730RPM 75mph = 3780RPM... so like I said, about 3800RPM... smart guy.
Registered User
Joined: Jun 2003
Posts: 2,626
From: Baylor University - TX
Injuneer
Super Moderator
Registered: Jul 2000
Location: NJ
Posts: 2320
Everybody's numbers look right..... my handy rpm calculator shows:
80MPH w/ 4L60E in O/D
2.73 - 1,993rpm
3.42 - 2,496rpm
3.73 - 2,723rpm
Super Moderator
Registered: Jul 2000
Location: NJ
Posts: 2320
Everybody's numbers look right..... my handy rpm calculator shows:
80MPH w/ 4L60E in O/D
2.73 - 1,993rpm
3.42 - 2,496rpm
3.73 - 2,723rpm
Registered User
Joined: Oct 2003
Posts: 187
From: ill
tire size
Don't forget that the rpm's will change if you change your tire height.
i have a set of 3.42's and love them, they are perfect for my daily driving, i had a 2.73 before.
at 60 mph. i was turning around 2050 rpm's. in overdrive.
i have a set of 3.42's and love them, they are perfect for my daily driving, i had a 2.73 before.
at 60 mph. i was turning around 2050 rpm's. in overdrive.
Registered User
Joined: Jun 2003
Posts: 2,626
From: Baylor University - TX
Re: tire size
Originally posted by zoso1959
Don't forget that the rpm's will change if you change your tire height.
i have a set of 3.42's and love them, they are perfect for my daily driving, i had a 2.73 before.
at 60 mph. i was turning around 2050 rpm's. in overdrive.
Don't forget that the rpm's will change if you change your tire height.
i have a set of 3.42's and love them, they are perfect for my daily driving, i had a 2.73 before.
at 60 mph. i was turning around 2050 rpm's. in overdrive.