Rear gearing

mcpcola

7M's = Peoples Champ
Jul 4, 2005
428
0
0
43
Greater Gulf Coast
ok guys i need some info I have two 87 supras NA and one is auto what is the difference in the Rear end gearing and how would this affect my manual to put the auto rear end in?
 

Squid699

Manic Mechanic
Mar 30, 2005
595
0
16
40
Chesapeake, VA
all NA's have 4.30 - standard open differentials, with the option of having the 4.30 LSD

87-earliy 89 turbos had 3.90 LSD's
late 89-92 had 3.73 LSD's
Japanese JZA70's (1JZGTE) had 4.10 Torsen LSD's