code question

olds1968 · January 12th, 2008, 07:07 PM

i was looking at my rear end (type o) today after changing the gear oil that looked like it hasnt been changed for 40 years. it looked like nobody has messed with the gears and i counted the teeth on the ring(39) and pinion(14). then found these letters and numbers on the axle.

SA
-177-
394139
CFD 8

can anybody tell me what they mean?

88 coupe · January 12th, 2008, 11:42 PM

39 ÷ 14 = 2.785 = 2.79:1 rear end gear ratio.

Norm

olds1968 · January 14th, 2008, 03:22 PM

does anybody know anything else about the other numbers?

marcar1993 · January 21st, 2008, 12:57 PM

Probably just casting numbers that tell you where/when it was cast.

January 12th, 2008, 07:07 PM	#1 (permalink)
olds1968 member Join Date: Dec 2007 Location: charlotte, nc Posts: 35	code question i was looking at my rear end (type o) today after changing the gear oil that looked like it hasnt been changed for 40 years. it looked like nobody has messed with the gears and i counted the teeth on the ring(39) and pinion(14). then found these letters and numbers on the axle. SA -177- 394139 CFD 8 can anybody tell me what they mean?

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January 14th, 2008, 03:22 PM	#3 (permalink)
olds1968 member Join Date: Dec 2007 Location: charlotte, nc Posts: 35	does anybody know anything else about the other numbers?

January 21st, 2008, 12:57 PM	#4 (permalink)
marcar1993 Registered User Join Date: Apr 2007 Location: CNJ Posts: 161	Probably just casting numbers that tell you where/when it was cast.