Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
07-10-2016, 03:35 AM
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3.55:1 Gears
Is it possible that a COPO order for a 70 Yenko would/could include a request to GM that the car be built with 3.55:1 gears? My car (at least according to a prior owner) may have come from the factory with dated 3.55: 1 rear end gears( as a 1 0f 3!). Is it possible to document this claim?
Several members have suggested that they were probably installed at the dealership (Yenko); but, I really don't know? Thanks far any input. Rick
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1956 Bel Air Nomad 1961 Ford Starliner, the "Tangerine Dream" 1963 Olds Jetfire, 1 of 13 Fluid-Injected & Turbocharged 1966 Dodge Hemi Charger the "White Elephant" 1970 Dodge Challenger R/T, the "Cream Dream Shaker" 1970 Nova Yenko Deuce 
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#2
07-10-2016, 01:18 PM
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Re: 3.55:1 Gears
Rick -- as far as when Mark owned the car ... I have no idea what gear was in that car back then ... just assumed it had 4:11s ... TAZ [img]<<GRAEMLIN_URL>>/dunno.gif[/img]
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You've never lived until you've almost died -- for those who fight for it, life has a flavor the protected will never know!
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#3
07-10-2016, 01:48 PM
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Re: 3.55:1 Gears
Should be able to tell by the axle code. CBV for a 4.10 or CBT for 3.55.
Same location as 69. More info here: 69 Camaro axle codes. Even the same code, except all the 70 axles have a "C" in front of the 69 two letter code. So a 69 Camaro BV axle became a CBV for 70, used on late Camaros (around Aug. 69) and the 70 Nova.
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