Well it is funny you post this. I have a 55 first series.
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http://img.photobucket.com/albums/v374/55chevy/55Camp2.jpg[/img]
I just picked up a 1977 camaro z-28 rear end. It runs 5 lugs and has drum brakes. Has a 3:42 gear ratio and will mount nicely. I plan on converting to 5 lug disc brakes up front later. This rear end only has 67,000 miles and came off a running and driving car.
If you want to go with a six lug look try the 73-87 K-5 blazer.
Hope this helps,
Chris
