3.73 , 4.10 gears
03-27-2012, 03:21 PM
#11
4th Gear Member
Join Date: Sep 2009
Location: NC
Posts: 1,481
I would go with 3.73 if you plan to go FI in the future.
If you want to try a shorter ratio, my next suggestion would be 3.90.
4.10 will be a lot of gear for a street car with boost.
It would be a very good idea to let a reputable performance shop do the gear install.
If you want to try a shorter ratio, my next suggestion would be 3.90.
4.10 will be a lot of gear for a street car with boost.
It would be a very good idea to let a reputable performance shop do the gear install.
03-27-2012, 03:52 PM
#12
Banned
Join Date: Aug 2006
Location: sc
Posts: 457
Depending on how much power you have, 410's are no good in the 1/4 because they top out @ 108 in 4th gear, and sometimes that's just not enough. At least with 373's, 4th tops out @ around 120, a good trap speed if blown.
03-27-2012, 05:12 PM
#13
I would go with 3.73 if you plan to go FI in the future.
If you want to try a shorter ratio, my next suggestion would be 3.90.
4.10 will be a lot of gear for a street car with boost.
It would be a very good idea to let a reputable performance shop do the gear install.
If you want to try a shorter ratio, my next suggestion would be 3.90.
4.10 will be a lot of gear for a street car with boost.
It would be a very good idea to let a reputable performance shop do the gear install.
03-27-2012, 07:58 PM
#14
4th Gear Member
Join Date: Nov 2006
Location:
Posts: 1,229
I went 4.10's here recently.. I love them. Granted 99% of my driving is 2 miles one way, but even so its not bad.. On the highway doing 70 I was at like 2300 rpm.. its not as bad as some people portray it to be. As for gas millage you wont see any decrease around town.. you just have to shift sooner.. big deal don't be a lazy ***.. but on the highway you will probably loose 1-2 miles per gallon. And in the end you will love them. 
biggest Seat of the pants Ive had so far.
Like he^^ said.. Dont fear the gear.
biggest Seat of the pants Ive had so far.Like he^^ said.. Dont fear the gear.
03-27-2012, 08:26 PM
#16
4th Gear Member
Join Date: Jun 2010
Location: TEXAS
Posts: 1,452
I would go with 3.73 if you plan to go FI in the future.
If you want to try a shorter ratio, my next suggestion would be 3.90.
4.10 will be a lot of gear for a street car with boost.
It would be a very good idea to let a reputable performance shop do the gear install.
If you want to try a shorter ratio, my next suggestion would be 3.90.
4.10 will be a lot of gear for a street car with boost.
It would be a very good idea to let a reputable performance shop do the gear install.
03-28-2012, 11:10 PM
#17
2nd Gear Member
Join Date: Jan 2011
Location: Texas
Posts: 268
I recently went with 4.10's and overall I like the difference, but it would be a lot better with a transmission with a higher first gear, like 2.97 or so. The tremec's 3650's first gear is just way too steep to work well with the 4.10's. second and third seem well suited though. I just need more horsepower.
03-29-2012, 10:32 AM
#18
TECH SAVANT
Join Date: Dec 2006
Location: Saint Augustine, FL
Posts: 10,938
I recently went with 4.10's and overall I like the difference, but it would be a lot better with a transmission with a higher first gear, like 2.97 or so. The tremec's 3650's first gear is just way too steep to work well with the 4.10's. second and third seem well suited though. I just need more horsepower.
My next transmission will be either a TKO 600 with the 2.87 1st gear, or a rebuilt 3650 with the 2.90 1st gear offered by American Powertrain.
-------------------------------------------------
Before anyone asks, I have no (none, zero, zilch, nada) interest is a 6-speed. In any driving I do I already skip 2nd and go directly to 3rd, and when I sometimes launch in 2nd I mostly skip 3rd. I do not want to have more gears to skip in routine driving...
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