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#1
08-29-2004, 10:37 AM
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Parts application and ID help
I have two parts that I need help identifying.
The first is 3936446. The second is a r&p set 3916230 & 3916231 dated 4 of 69. Thanks in advance for any help that you can offer. Eric 
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#2
08-29-2004, 09:19 PM
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Re: Parts application and ID help
69L72RS;
I found 3936446 replaced 3887370 5-69. 3887370 replaced 3863421 3-66. 3936446 lists as CASE, Differential and Planet, for a 65-69 Pass., 70 Chevelle, Camaro (P/Trac, w/4.10 ratio) . w/4.10, 4.56, 4.88 ratio (Eaton 12666-8) (Note 2) ... NOTE 2 Use with 12 bolt cover. I did not find 3916230 or 3916231 in the 1962-1970 Part and accessories catalog or parts history.
__________________
Nova Research Project at chevynova.org
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#3
08-30-2004, 03:46 AM
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Re: Parts application and ID help
The 3916230/3916231 are ring/pinion part numbers
with a 9 & 41 tooth count and a date of 4-69. It is a 4.56 ratio set. The part numbers are sequenced with the COPO 4.10 r&p set 3916226/3916228 and the standard 4.56 sets that I have end in 515/527 part numbers. I believe that it is a COPO 4.56 r&p set, but can't find it in my books because they aren't old enough. Thanks for any help that you can offer. Eric
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