I have a six speed with 4.10s with 35s will it make my low range lower with 5.13s or a 4.1 transfer case what is better would 513s be to low for a six speed at 75mph

 

go for the 5.13 gears. the only time you use your transfer case is when you put your jeep into 4x4. the gears are what will drive your tires in normal everyday driving and on the highway at 75mph

 

i would do the transfer case.
I think the 4.10s are perfect for 35s and a 6 speed but thats just my opinion

 

the transfer case or gears

 

well maybe 4.88 for a standard on 35's, maybe im misunderstanding his question, but the transfer case has nothing to do with day to day driving

 

just trying to get lower gears in low range i dont care eather transfercase or gears

 

so im assuming u are talking about offroading when u are in 4Lo ?? if thats your question, then the transfer case for sure. alot depends on how slow you want to go, if you get 5.13 gears and a 4:1 transfer case then your crawl ratio will be lower, meaning you will go slower. 4.10 gears with the 4:1 trans case will be slightly faster while you are in 4lo crawling through a trail

if you are happy with 4.10 gears, which most people are going to tell you to change to 4.88 or 5.13, then get the transfer case. but, changing your gears will give you some power back in your engine, and wont perform as sluggish

hope this helps. im stil not sure what exactly you are asking about. gears do one thing and a transfer case does another thing. but ultimately, the gears you have affect the ratios (faster or slower moving) of your transfer case when you are in 4x4. when im talking about speed, im not talking about highway speeds fast, im talking like 5 mph and under.

 

i want low range to be slower for rocks

 

Transfer case then....

 

then the 4:1 transfer case would be the better option for sure. i apologize i was misunderstanding your posts