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#1
12-18-2005, 05:43 PM
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speedo reduction box
Did the COPO Chevelles use these??
http://cgi.ebay.com/ebaymotors/ws/eBayIS...A%3AIT&rd=1 If so I need to get one...part # ??? 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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#2
12-18-2005, 09:26 PM
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Re: speedo reduction box
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Ed Bertrand 1968 RS/SS L-89 396/375 Convertible CRG Member
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#4
12-20-2005, 06:29 PM
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Re: speedo reduction box
Is there a pin or key that goes from the reduction unit to the speedo gear? I still can't get mine to work properly
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Marlin 70 Yenko Nova-350/360, 4speed M21, 4.10 Posi (Daddy's Ride) 69 SS Nova-396/375hp, 4speed M20, 3.55 Posi (Benjamin's Ride) 67 RS Camaro-327/250hp, 2speed Glide, & 3.08 Open (Danny's Ride)
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#6
12-20-2005, 08:13 PM
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Re: speedo reduction box
I have the Damn pin, (technically a 'key') but something still aint jivin
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Marlin 70 Yenko Nova-350/360, 4speed M21, 4.10 Posi (Daddy's Ride) 69 SS Nova-396/375hp, 4speed M20, 3.55 Posi (Benjamin's Ride) 67 RS Camaro-327/250hp, 2speed Glide, & 3.08 Open (Danny's Ride)
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#7
12-21-2005, 01:59 AM
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Re: speedo reduction box
Marlin, Attached is pic of the key that goes inside the gear and reduction unit, it is 1 13/16" long. If you can't get it working, just sell me the damn old Nova.
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#8
12-22-2005, 01:55 AM
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Re: speedo reduction box
Ed, thanks for the link..OK, I have read the threads and guess I need this one??
4.10 Rear Axle, 7.35x14 or F70-14 Tires, 8 tooth Drive Gear (P/N 3924098), 20 tooth Driven Gear (P/N 3860343), 3 Speed (exec O/D), HD 3 Speed, Powerglide or 4 Speed Transmission. Adapter P/N 6476736. Did I choose wisely?? Merry CHristmas everyone 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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#9
12-22-2005, 02:21 AM
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Re: speedo reduction box
Albert.
Well, almost. You have a 69 Chevelle and it's a bit different on a few ratios than the Camaro! For a 4.10 rear end with F70x14 tires and a 3 or 4 speed manual transmission, you'll need the following: 3924098 8 tooth drive gear 3860342 19 tooth driven gear (neutral color) 3932220 Adapter I didn't see your reference to the COPO Chevelle above. Sorry about that! And by the way, GM didn't use a Stewart Warner reducer. That's an aftermarket item. Ed
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Ed Bertrand 1968 RS/SS L-89 396/375 Convertible CRG Member
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#10
12-22-2005, 03:50 AM
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Re: speedo reduction box
What do you need a speedometer for anyway, to see how fast your going up the trailer ramp??
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