<VV> Serial numbers, differential questions and Tom Keosababian's car

[corvairs]

Technically correct - Although I do have a GM set (brand new if I recall 
correctly) of Chevrolet 4:11 ring and pinion gears for a late model. 
made specially for Yenko is the story. Wonder how many they made? Lon

www.corvairunderground.com

Sethracer@aol.com wrote:

> 
>Chevy never offered a 4.11:1 gearset - It was made in the aftermarket,  
>mostly for dune buggies and some drag racing. Yenko used the 3.89:1 as standard  on 
>the Stingers. Chevy made a special run for him. The ratio is the same as  the 
>earlier 60-63 and 61-63 FC, but the ring gear has 9 bolts vs. the early  
>model ring gears that had 6 bolts. They have been available in the aftermarket -  
>The aftermarket ones had both bolt patterns.