He states the car is an original L78 and has a working L78 6000 RPM tach yet the picture he posted shows a redline of 5500 
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=230733094528
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=230733094528