thanks for reading this i have just bought a 90 k5 blazer it has 41in swampers on 20in rims i took it for its first road test last night and ended up blowing the carrier through the rear end not sure why . thinking i may need to either change the gear ratio of beef up the carrier unsure what the gear ratio is now belive 323 its a 10 bolt rear end any advice would be cool thanks

 

get a 14 bolt.... or at minimum a 12 bolt.
turning 41's you need something beefier then a 10..

I'm turning 44" groundhawgz on 15's with a 14 bolt ff and have NEVER had problems with my rear end....


I'm not sure what options you have with 6 bolt though, mine are 8 lug...

 

41's are WAY too large for 10-bolt and even 12-bolt axles. You will definitely have to get a Dana-60 front and 14BFF rear if you want to stay with those wheels.

 

right, and swap the front make sure the gearing is matched from front to rear !!

 

Isn't that what I said?

 

thanks alot for your advice greatly appreciated