Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
01-16-2006, 06:13 PM
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COPO posi
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1969 9566AA COPO Chevelle M-22 1969 Malibu 489 ZL-1 T-56/4.56 1969 Beaumont 540 th400 3.70 1969 Chevelle 300 Deluxe 427 ZL-1 M 22W 1970 Olds 442 W 30 2 door post 1969 Ply. GTX 426 hemi auto. Blue. 1940 Dodge pick up Durango 4X4 1968 Camaro ragtop LSA ZL1 
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#2
01-16-2006, 08:07 PM
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Re: COPO posi
Al, I'm not an expert on the COPO stuff, but looking at Jerry's book he shows the COPO posi unit having the smaller clutch springs and a Trans Am unit having the larger clutch springs like the one in the auction. He also says that Moroso sold the Trans Am unit with the large clutch springs as their Moroso Brute Strength posi. I would get more numbers off that unit to be able to verify it. Also have him count the number of teeth on the gear. The COPO rear had 16 teeth and the standard 12 bolt had 18 teeth. Jerry lists the posi unit as part # 3916234 and the 4.10 ring and pinion as part # 3917971. This is for the Camaro rear so I'm not sure if the Chevelle is any different.
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69 Z28 JL8, #'s match - being restored
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#3
01-16-2006, 08:42 PM
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Re: COPO posi
Looks like a GM 4 series with a Moroso Brute Strength posi. It is not correct for a COPO BE rear as stated in the ad. Not a bad buy at that price if it is in good shape.
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#4
01-17-2006, 06:02 AM
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Re: COPO posi
I did'nt think it was right, just keeping an eye out for good parts. Thanks
ALbert
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1969 9566AA COPO Chevelle M-22 1969 Malibu 489 ZL-1 T-56/4.56 1969 Beaumont 540 th400 3.70 1969 Chevelle 300 Deluxe 427 ZL-1 M 22W 1970 Olds 442 W 30 2 door post 1969 Ply. GTX 426 hemi auto. Blue. 1940 Dodge pick up Durango 4X4 1968 Camaro ragtop LSA ZL1
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