3.73's or 4.10's

TheBusher · August 4th, 2007, 03:35 PM

I want to get some gears soon, but I'm still trying to decide what to get. I have been wanting 3.73's for a while, but everyone keeps telling me go 4.10's. The reason I'm thinkin 3.73's is because I plan on making my car a beast... as in 700+ RWHP (those mods are a couple years away). I'm afraid that if I go 4.10's, the gears will be to short and I'll run out of gear by the end of the 1/4 mile (I really don't feel like having to make a fifth gear shift during a 1/4 mile). What do ya guys think???

2000stangGT · August 4th, 2007, 03:38 PM

4.10s will be too short for being blown, especially with that much hp
but they are fun n/a depends if you want to change them out or not

TheBusher · August 4th, 2007, 03:42 PM

What am I lookin' at RPM wise with either set of gears at 80 MPH???

2000stangGT · August 4th, 2007, 03:45 PM

well 4.10s have me at about 2900 at 80 but i have a different tranny than you.

3.73 will be around 2655 not sure what size wheels you have that will through it off a little

use this
http://www.corral.net/tech/gearcalc.html

TheBusher · August 4th, 2007, 03:48 PM

Originally Posted by 2000stangGT

well 4.10s have me at about 2900 at 80 but i have a different tranny than you.

3.73 will be around 2655 not sure what size wheels you have that will through it off a little

use this
http://www.corral.net/tech/gearcalc.html

Either I'm retarted, or that link doesn't have my tranny. I have a T-3650 and I didn'y see it.

I running stock rims and tires.

TheBusher · August 4th, 2007, 04:09 PM

AH HA!!! I found a website that works and has tons of other calculators on it:

http://wallaceracing.com/Calculators.htm

I'm at about 2125 with stock 3.27's, 2425 with 3.73's, & 2665 with 4.10's.

Thanks for the advice though I think I might go 4.10's because I won't be putting a blower on for probably a couple of years and I'll just suck it up and change the gears to a taller set when I do that.

2000stangGT · August 4th, 2007, 04:29 PM

youll love 4.10s

just remember youll have to recalibrate your speedo

TheBusher · August 4th, 2007, 04:32 PM

Already have that taken care of, I'm buying this:

http://www.americanmuscle.com/xcal2-...r-oil-kit.html

TheBusher · August 4th, 2007, 05:36 PM

About how much should I expect to pay to have 4.10's installed???

MATT02GT · August 4th, 2007, 05:47 PM

The age old question... I suggest 3.73s if you run a manual trans or 4.10s for an auto. My 3.73.s are plenty steep at only 400hp. I would have no 1st gear with 4.10s

August 4th, 2007, 03:35 PM	#1
TheBusher Hardcore Enthusiast 2002 Chevrolet Impala ??? Join Date: Jul 2007 Location: Englewood, Colorado Posts: 2,189	3.73's or 4.10's I want to get some gears soon, but I'm still trying to decide what to get. I have been wanting 3.73's for a while, but everyone keeps telling me go 4.10's. The reason I'm thinkin 3.73's is because I plan on making my car a beast... as in 700+ RWHP (those mods are a couple years away). I'm afraid that if I go 4.10's, the gears will be to short and I'll run out of gear by the end of the 1/4 mile (I really don't feel like having to make a fifth gear shift during a 1/4 mile). What do ya guys think???

August 4th, 2007, 03:38 PM	#2
2000stangGT Enthusiast 2000 Mustang Gt 13.71 @ 102.01 Join Date: Jun 2006 Location: CT Posts: 721	4.10s will be too short for being blown, especially with that much hp but they are fun n/a depends if you want to change them out or not __________________ JLT True Cold Air - Accufab tb & plenum - Bassani Catback - o/r pro chamber - 4.10s - Xcal 2 motor is in pieces...

August 4th, 2007, 03:45 PM	#4
2000stangGT Enthusiast 2000 Mustang Gt 13.71 @ 102.01 Join Date: Jun 2006 Location: CT Posts: 721	well 4.10s have me at about 2900 at 80 but i have a different tranny than you. 3.73 will be around 2655 not sure what size wheels you have that will through it off a little use this http://www.corral.net/tech/gearcalc.html __________________ JLT True Cold Air - Accufab tb & plenum - Bassani Catback - o/r pro chamber - 4.10s - Xcal 2 motor is in pieces...

August 4th, 2007, 04:29 PM	#7
2000stangGT Enthusiast 2000 Mustang Gt 13.71 @ 102.01 Join Date: Jun 2006 Location: CT Posts: 721	youll love 4.10s just remember youll have to recalibrate your speedo __________________ JLT True Cold Air - Accufab tb & plenum - Bassani Catback - o/r pro chamber - 4.10s - Xcal 2 motor is in pieces...

August 4th, 2007, 05:47 PM	#10
MATT02GT Hardcore Enthusiast Join Date: May 2007 Location: COLORADO Posts: 1,512	The age old question... I suggest 3.73s if you run a manual trans or 4.10s for an auto. My 3.73.s are plenty steep at only 400hp. I would have no 1st gear with 4.10s __________________ Its not how fast you drive, but how you drive fast. 2002 Mustang GT... Just The Usual Bolt-Ons

August 4th, 2007, 03:42 PM	#3
TheBusher Hardcore Enthusiast 2002 Chevrolet Impala ??? Join Date: Jul 2007 Location: Englewood, Colorado Posts: 2,189	What am I lookin' at RPM wise with either set of gears at 80 MPH???

August 4th, 2007, 04:09 PM	#6
TheBusher Hardcore Enthusiast 2002 Chevrolet Impala ??? Join Date: Jul 2007 Location: Englewood, Colorado Posts: 2,189	AH HA!!! I found a website that works and has tons of other calculators on it: http://wallaceracing.com/Calculators.htm I'm at about 2125 with stock 3.27's, 2425 with 3.73's, & 2665 with 4.10's. Thanks for the advice though I think I might go 4.10's because I won't be putting a blower on for probably a couple of years and I'll just suck it up and change the gears to a taller set when I do that.

August 4th, 2007, 04:32 PM	#8
TheBusher Hardcore Enthusiast 2002 Chevrolet Impala ??? Join Date: Jul 2007 Location: Englewood, Colorado Posts: 2,189	Already have that taken care of, I'm buying this: http://www.americanmuscle.com/xcal2-...r-oil-kit.html

August 4th, 2007, 05:36 PM	#9
TheBusher Hardcore Enthusiast 2002 Chevrolet Impala ??? Join Date: Jul 2007 Location: Englewood, Colorado Posts: 2,189	About how much should I expect to pay to have 4.10's installed???

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