what are the stock gears in an 1987 k5?

nmud2deep · Jun 16, 2006

what are the stock gears for an 1987 k5 blazer with 350/ 700r4/208 combo? rushed response please.....

nmud2deep · Jun 16, 2006

anyone if you would help it would be great

UseYourBlinker · Jun 16, 2006

3.08's

wicked87_k5 · Jun 16, 2006

mine were originally 3.08's

ratzila · Jun 17, 2006

My 91

came with 3.42's. Also my 90 :burb:

had 3.42's

eeyore · Jun 18, 2006

mine and two others i know of came with 3:73.mine is the same year and combo,one an 86 and an 89.

ryoken · Jun 18, 2006

I have that exact truck...... 3.73's.......

sarasotausmc · Jun 18, 2006

x2, 3.73s. 10 bolt front, 12 bolt rear.

roadnotca · Jun 18, 2006

Isn't that on the build sheet in the glove box door. Also on the axle(s). Also on the lead page for CK5, specs.
?

ratzila · Jun 19, 2006

sarasotausmc said:
x2, 3.73s. 10 bolt front, 12 bolt rear.

A 87 should have come with the 10b front & rear from the factory