need help decoding this differential
#1
need help decoding this differential
as far as i know this is a 65 cutlass posi rear diff but can't find any info on the codes i have found on it
M N D or possibly M 1\1 D
20151214_142559_resized_zps8iynapya.jpg
M N D or possibly M 1\1 D
20151214_142559_resized_zps8iynapya.jpg
#2
D is stamped pretty deep I bet it si a 1964 f85 rear 3.55
OR
if it is a 65 then it would go off the M N letter code of 3.08... Hard to say. I would have to say someone goof at the plant with the stamping. Remove the cover and wipe the outer edge of the ring and it should have the tooth count stamped into the ring.
Last edited by monzaz; December 15th, 2015 at 05:06 AM.
#3
here are some more pics, it is the one at the bottom of the pics
20151215_121841_resized_zpsekj71vco.jpg
20151215_121853_resized_zpsauqw7do7.jpg
20151215_122058_resized_zpsx2cgjxkd.jpg
20151215_122102_resized_zps6g5vplrm.jpg
20151215_122112_resized_zpszl74p69d.jpg
20151215_121841_resized_zpsekj71vco.jpg
20151215_121853_resized_zpsauqw7do7.jpg
20151215_122058_resized_zpsx2cgjxkd.jpg
20151215_122102_resized_zps6g5vplrm.jpg
20151215_122112_resized_zpszl74p69d.jpg
#4
rear end
Well it appears to be a 65 rear as the upper control arm bushings are large 2 inch diameter the 64 will be 1" diameter upper control arm bushings. The rear is also a BUICK 10 bolt 8.2 Not the Oldsmobile type.
The Buick 10 bolt was used in all lower HP cars (standard build rear)
Only way your going to tell with this rear is to crack it open and spin the ring wipe the edge until you find the stamping in the edge of it. Jim
The Buick 10 bolt was used in all lower HP cars (standard build rear)
Only way your going to tell with this rear is to crack it open and spin the ring wipe the edge until you find the stamping in the edge of it. Jim
#5
You need to posi pictures of the rear end cover yoke and over whole rear. We need to know what rear your dealing with to look up a code. Thank you, Jim
D is stamped pretty deep I bet it si a 1964 f85 rear 3.55
OR
if it is a 65 then it would go off the M N letter code of 3.08... Hard to say. I would have to say someone goof at the plant with the stamping. Remove the cover and wipe the outer edge of the ring and it should have the tooth count stamped into the ring.
D is stamped pretty deep I bet it si a 1964 f85 rear 3.55
OR
if it is a 65 then it would go off the M N letter code of 3.08... Hard to say. I would have to say someone goof at the plant with the stamping. Remove the cover and wipe the outer edge of the ring and it should have the tooth count stamped into the ring.
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