GEAR HELP....

[lxwants12's]

i am running a 347 currently i have 4.10's i like them expect i drive the car on highway alot...i had 3.73's before and i loved them as an all around gear...now my question here is if i go down to 3.73 or even 3.90's how much will it effect my 1/4 times? mph? im running 245 45 16 nitto 555r on street then gt turbines with 26 inch et streets...currently pulling a 1.64 60 foot..
:SNSign:

 

[willys1]

i am running a 347 currently i have 4.10's i like them expect i drive the car on highway alot...i had 3.73's before and i loved them as an all around gear...now my question here is if i go down to 3.73 or even 3.90's how much will it effect my 1/4 times? mph? im running 245 45 16 nitto 555r on street then gt turbines with 26 inch et streets...currently pulling a 1.64 60 foot..
:SNSign:

I currently have 410's but ran 2 tenths quicker with my 373's