Diff ratio for a 78
05-14-2007, 04:37 AM
Racer
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05-14-2007, 04:45 AM
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Ok= 3.08:1
Om= 3.36:1
Oh= 3.55:1
Oj =3.70:1
These are the 4 codes for the ratios on a 78.
05-14-2007, 07:39 AM
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I looked under my diff for that letter code and never found it. Any help on it's exact location? Thanks.
05-14-2007, 08:10 AM
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Quote:
Originally Posted by
Durango_boy
I looked under my diff for that letter code and never found it. Any help on it's exact location? Thanks.
DB;
Axle codes are stamped on the bottom of the differential carrier housing just forward of the cover.
05-14-2007, 10:01 AM
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Quote:
Originally Posted by
Dell Boy
DB;
Axle codes are stamped on the bottom of the differential carrier housing just forward of the cover.
Thanks. Are the codes the same for my '77 as his '78?
05-14-2007, 10:20 AM
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base auto =308
05-14-2007, 11:11 AM
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Quote:
Originally Posted by
Durango_boy
Thanks. Are the codes the same for my '77 as his '78?
No, 77 are as follows
OA=3.08:1
OD=3.36:1
LR=3.36:1
OB=3.55:1
OC=3.70:1
05-14-2007, 11:38 AM
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My 78 has this:
05-19-2007, 12:30 AM
Racer
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Thanks guys, off with the torch ...
05-14-2007, 08:10 AM
