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#1
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1970 Camaro rearend
My good friend just scored this 12-bolt COZ coded rear off Marketplace. Looks to be completely original with the dated 3.73 gearset and Eaton posi. Uncut spring perches and all correct measurements. His question, (that I cannot answer) was this specific to a Z-28, RS, or ?? Thanks for any information I can relay to him.
Dave |
The Following 4 Users Say Thank You to DAVE H For This Useful Post: | ||
olredalert (03-21-2024), PeteLeathersac (03-20-2024), SS427 (03-20-2024), YenkoYS-199Stinger (03-26-2024) |
#3
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I seen that.. just didnt have the time to commit
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#4
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I think just Z. SS came with a 3.55 standard and option was 4.10. Z option was 4.10 too. I've never heard of a 3.73 SS.
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70Z28 04B Norwood Forest Green-white Stripes Black DeLuxe Interior Owned since 1978 - First Car |
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DAVE H (03-21-2024) |
#6
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I thought a 12 bolt came in any 1970 Camaro with any engine that had a 4bbl, but the 3:73
ratio was standard on the Z-28 with the 4:10 optional. I do not know about the L-78 in 1970, so my vote is it came out a 1970 Z-28. Bill |
#7
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Correct Bill...only the Z28 could have gotten the 3.73s. L78s were 3.55 std and 4.10 optional.
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Steve Nuwer 1970 Z28, Norwood 03A, 48 48, 723 Int, M20, COO, 2021 Legends Platinum restored 1970 L78, Norwood 04C, 17 17, 711 Int, M21, COO, born-with drivetrain project. 1972 Z28, Norwood 11C project, born-with drivetrain, 26 26, 775, M20, CGG project 1970 Z28, Norwood 05C, 48 G, 720 Int, M21, COZ, Original Unrestored (SOLD) www.2ndGenZ.com |
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Big Block Bill (03-22-2024), x77-69z28 (03-22-2024) |
#8
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WOW,........that's a score. Most 12 bolt Chevy rear ends are prices well over a grand,...with Camaro ones being even more. And, if that was a 1st gen piece, the price goes up.
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DAVE H (03-21-2024) |
#9
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RS is an appearance package and has nothing to do with performance, so that wouldn't matter. I would think that it would be Z28 or maybe L78.
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Freddie 1969 Camaro RS/SS396 (427) 4 speed |
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DAVE H (03-21-2024) |
#10
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As Dave mentioned, 3.73s was a Z28 only ratio for 1970, but the COZ code was also used in '70 T/As as they shared the same 12-bolt as the Camaro that year. Either way, that's a great score!
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Steve Nuwer 1970 Z28, Norwood 03A, 48 48, 723 Int, M20, COO, 2021 Legends Platinum restored 1970 L78, Norwood 04C, 17 17, 711 Int, M21, COO, born-with drivetrain project. 1972 Z28, Norwood 11C project, born-with drivetrain, 26 26, 775, M20, CGG project 1970 Z28, Norwood 05C, 48 G, 720 Int, M21, COZ, Original Unrestored (SOLD) www.2ndGenZ.com |
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