how long would my 12bolt posi last? - LS1TECH

Log In 


how long would my 12bolt posi last?

Reply
 
Thread Tools Search this Thread
Old 12-09-2006, 03:27 PM   #1
7 Second Club
Thread Starter
iTrader: (42)
 
ty_ty13's Avatar
 
Join Date: Jun 2004
Location: paducah, ky
Posts: 4,561
Default how long would my 12bolt posi last?

i have 12bolt that i bought some time ago for my z28 and didnt realize that you cant have a spool and run higher than a 3.73....

right now i have a eaton posi and 4.10 gears... it lasted a whole season of 1.5x 60' in a 3700lb race weight car....

im wanting to use a 3 series eaton posi and run 3.42 or 3.50.... i plan on doing more street driving than strip but im wondering how long this 3series posi will last while cutting some 1.40-1.45 60' in a 3650-3700 lb race weight f-body...
ty_ty13 is offline   Reply With Quote
Old 12-10-2006, 10:42 AM   #2
TECH Veteran
iTrader: (13)
 
Navy David SS's Avatar
 
Join Date: Nov 2001
Location: Sioux Falls, SD
Posts: 4,648
Default

Not true on the 12-bolt. I run a 4-series spool, right now 3.73 (the only 3-series gears that are made for a 4-series set-up), but I have a set of 4.30 that I ran for a couple years in the 12-bolt. You would just have to switch over to a 4 series spool and gears.

IMO the easton posi is very good, but the more power you add on launch, the more chance you'll have to brake it. At what $450 a unit, it could get expensive. Just driving it around town I would say it will last quite a while. With your power adder I would stay 3-series, possible switching to a spool.

David
Navy David SS is offline   Reply With Quote
Old 12-10-2006, 10:50 AM   #3
TECH Veteran
iTrader: (5)
 
chaman's Avatar
 
Join Date: Mar 2005
Posts: 4,415
Default

Kind of a difficult question I guess....well it will last until it breaks!!!! In this **** there is nothing written on stone...
chaman is offline   Reply With Quote
Old 12-10-2006, 06:25 PM   #4
7 Second Club
Thread Starter
iTrader: (42)
 
ty_ty13's Avatar
 
Join Date: Jun 2004
Location: paducah, ky
Posts: 4,561
Default

Quote:
Originally Posted by Navy David SS
Not true on the 12-bolt. I run a 4-series spool, right now 3.73 (the only 3-series gears that are made for a 4-series set-up), but I have a set of 4.30 that I ran for a couple years in the 12-bolt. You would just have to switch over to a 4 series spool and gears.

IMO the easton posi is very good, but the more power you add on launch, the more chance you'll have to brake it. At what $450 a unit, it could get expensive. Just driving it around town I would say it will last quite a while. With your power adder I would stay 3-series, possible switching to a spool.

David

what i mean by higher gear is like a 3.55 or 3.42 but they are 3series and dont make a 3 series spool for the 12bolt... the 4.10 i have with the 4series eaton posi does not need to stay... i need atleast a 3.55 for street driving to be fun...
ty_ty13 is offline   Reply With Quote
Reply


Tags
eaton, long, posi

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are Off



All times are GMT -5. The time now is 05:35 AM.