Rear End

K

kf6phn

Joined
Aug 12, 2013
Messages
1
Can I put taller gears in an stock rend end for freeway driving with a 3 speed transmission?
 
C

ColonelMustardFJ40

Joined
Oct 5, 2009
Messages
344
Yes but you will need to change both gear sets (front and rear) to the same ratio.
 
P

phillyFJ40

Joined
Sep 13, 2006
Messages
179
Location
Los Angeles, CA
I switched to 3.70 gears shortly after I got my 1970 FJ40 with 3 speed and 32" tires. Nice for the highway but first was not low enough to start on any sort of incline without clutch abuse. Just installed an H41 with 3 speed t-case to remedy that. With the 3.70 and 32" tires (I now have 33") I rarely reached 3000 rpm on the highway which is great, and now I won't have trouble on the low end. Best of both worlds but a fair amount of time and money.
 
RAYJON

RAYJON

Get a bigger hammer..
Joined
Oct 20, 2005
Messages
1,940
Location
Reno NV
You can also do a sm420/sm465 swap, this will give you the lower gears and then do the 3.70 fj60 gear swap with 33's or 35's this works well on the street..
 

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